- published: 05 Jan 2014
- views: 74517
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remove the playlistConvection
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A Physics revision video explaining the process of heat transfer by Convection.
A simple demonstration of convection.
Come see the rest of my videos at www.anglesandacid.com
- published: 24 Mar 2013
- views: 43148
This lecture covers the following topics:
1. Concept of hydrodynamic boundary layer
2. Concept of thermal boundary layer
3. Concept of heat transfer coefficient
4. Important non-dimensional numbers in convection heat transfer
- published: 17 Feb 2016
- views: 4699
GCSE Physics Revision: Heat transfer by convection
You can watch all my videos at www.freesciencelessons.co.uk
In this video, we learn about convection. We find out why convection can only take place in liquids and gases but never in solids. We explore what actually happens in convection in terms of the particles involved.
- published: 30 Mar 2015
- views: 29010
Convection appears in many systems in the universe. A heated fluid will expand, increasing the volume, and decreasing the density so the heated fluid floats in its surroundings. When cooled the fluid will sink in its surroundings. This movie highlights 2 demonstrations used in science class. Demo #1 is the Chimney Demo (a.k.a the RED SMOKER) while Demo #2 highlights special convection fluid being heated. We find convection in earth's mantle and believe it drives earth's plates. Ocean currents are driven by convection. Our winds are driven by temperature differences that cause convection and thus air movement. Finally we believe that convection plays a role at the surface of the sun where its evidence is found in the granulation we see. This Video was originally posted 1 year ago and had 152 views. I added the convection fluid clips and re-uploaded it.
- published: 14 Mar 2013
- views: 138196
Nous introduisons dans cette vidéo le processus de convection. Nous montrons que la convection résulte de la conduction et de la poussée d'Archimède. Nous évoquons également le nombre de Rayleigh ainsi que la loi de Newton et la résistance thermique qui peut lui être associée.
Voir également :
- sur la conduction, la loi de Fourier et la notion de résistance thermique : https://youtu.be/_dzP67v0B_0
Musique : Cryin In My Beer par Audionautix est distribué sous la licence Creative Commons Attribution
Réalisation et enregistrement Christophe FINOT.
- published: 20 Mar 2016
- views: 5369
Convection! Who cares? You should! Discover how heat is transferred in liquids and gases! How convection effects us through wind, earthquakes and its implications in the home! How do sea breezers occur? Ocean currents? How does it heat rooms? It's all explained here, whether you like it or not!
- published: 16 Apr 2013
- views: 85302
Convection
Convection is the concerted, collective movement of groups or aggregates of molecules within fluids (e.g., liquids, gases) and rheids, through advection or through diffusion or as a combination of both of them. Convection of mass cannot take place in solids, since neither bulk current flows nor significant diffusion can take place in solids. Diffusion of heat can take place in solids, but that is called heat conduction. Convection can be demonstrated by placing a heat source (e.g. a Bunsen burner) at the side of a glass full of a liquid, and observing the changes in temperature in the glass caused by the warmer ghost fluid moving into cooler areas.
Convective heat transfer is one of the major types of heat transfer, and convection is also a major mode of mass transfer in fluids. Convective heat and mass transfer take place both by diffusion – the random Brownian motion of individual particles in the fluid – and by advection, in which matter or heat is transported by the larger-scale motion of currents in the fluid. In the context of heat and mass transfer, the term "convection" is used to refer to the sum of advective and diffusive transfer. In common use the term "convection" may refer loosely to heat transfer by convection, as opposed to mass transfer by convection, or the convection process in general. Sometimes "convection" is even used to refer specifically to "free heat convection" (natural heat convection) as opposed to forced heat convection. However, in mechanics the correct use of the word is the general sense, and different types of convection should be qualified for clarity.
This page contains text from Wikipedia, the Free Encyclopedia -
https://wn.com/Convection
This article is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License, which means that you can copy and modify it as long as the entire work (including additions) remains under this license.
This article is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License, which means that you can copy and modify it as long as the entire work (including additions) remains under this license.
Heat transfer
Heat transfer is the exchange of thermal energy between physical systems. The rate of heat transfer is dependent on the temperatures of the systems and the properties of the intervening medium through which the heat is transferred. The three fundamental modes of heat transfer are conduction , convection and radiation. Heat transfer, the flow of energy in the form of heat, is a process by which a system changes its internal energy, hence is of vital use in applications of the First Law of Thermodynamics. Conduction is also known as diffusion, not to be confused with diffusion related to the mixing of constituents of a fluid.
The direction of heat transfer is from a region of high temperature to another region of lower temperature, and is governed by the Second Law of Thermodynamics. Heat transfer changes the internal energy of the systems from which and to which the energy is transferred. Heat transfer will occur in a direction that increases the entropy of the collection of systems.
This page contains text from Wikipedia, the Free Encyclopedia -
https://wn.com/Heat_transfer
This article is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License, which means that you can copy and modify it as long as the entire work (including additions) remains under this license.
This article is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License, which means that you can copy and modify it as long as the entire work (including additions) remains under this license.
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2:08Physics - Energy - Heat Transfer - Convection
Physics - Energy - Heat Transfer - ConvectionPhysics - Energy - Heat Transfer - Convection
A Physics revision video explaining the process of heat transfer by Convection. -
2:21Heat Transfer - Convection
Heat Transfer - ConvectionHeat Transfer - Convection
A simple demonstration of convection. Come see the rest of my videos at www.anglesandacid.com -
1:13:14Lecture 18: Brief Introduction to Convection Heat Transfer
Lecture 18: Brief Introduction to Convection Heat TransferLecture 18: Brief Introduction to Convection Heat Transfer
This lecture covers the following topics: 1. Concept of hydrodynamic boundary layer 2. Concept of thermal boundary layer 3. Concept of heat transfer coefficient 4. Important non-dimensional numbers in convection heat transfer -
9:12Heat Transfer: Conduction, Convection, Radiation
Heat Transfer: Conduction, Convection, RadiationHeat Transfer: Conduction, Convection, Radiation
-
3:52GCSE Physics Revision: Heat transfer by convection
GCSE Physics Revision: Heat transfer by convectionGCSE Physics Revision: Heat transfer by convection
GCSE Physics Revision: Heat transfer by convection You can watch all my videos at www.freesciencelessons.co.uk In this video, we learn about convection. We find out why convection can only take place in liquids and gases but never in solids. We explore what actually happens in convection in terms of the particles involved. -
4:31Convection Demos
Convection DemosConvection Demos
Convection appears in many systems in the universe. A heated fluid will expand, increasing the volume, and decreasing the density so the heated fluid floats in its surroundings. When cooled the fluid will sink in its surroundings. This movie highlights 2 demonstrations used in science class. Demo #1 is the Chimney Demo (a.k.a the RED SMOKER) while Demo #2 highlights special convection fluid being heated. We find convection in earth's mantle and believe it drives earth's plates. Ocean currents are driven by convection. Our winds are driven by temperature differences that cause convection and thus air movement. Finally we believe that convection plays a role at the surface of the sun where its evidence is found in the granulation we see. This Video was originally posted 1 year ago and had 152 views. I added the convection fluid clips and re-uploaded it. -
3:25Heat Transfer: Conduction, Convection, and Radiation
Heat Transfer: Conduction, Convection, and RadiationHeat Transfer: Conduction, Convection, and Radiation
Descriptions and pictures. Middle School level. -
2:42Convection Experiment
Convection Experiment -
7:39La convection
La convectionLa convection
Nous introduisons dans cette vidéo le processus de convection. Nous montrons que la convection résulte de la conduction et de la poussée d'Archimède. Nous évoquons également le nombre de Rayleigh ainsi que la loi de Newton et la résistance thermique qui peut lui être associée. Voir également : - sur la conduction, la loi de Fourier et la notion de résistance thermique : https://youtu.be/_dzP67v0B_0 Musique : Cryin In My Beer par Audionautix est distribué sous la licence Creative Commons Attribution Réalisation et enregistrement Christophe FINOT. -
7:50CONVECTION WITH THE SCIENCE GEEKS
CONVECTION WITH THE SCIENCE GEEKSCONVECTION WITH THE SCIENCE GEEKS
Convection! Who cares? You should! Discover how heat is transferred in liquids and gases! How convection effects us through wind, earthquakes and its implications in the home! How do sea breezers occur? Ocean currents? How does it heat rooms? It's all explained here, whether you like it or not!
Convection
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Physics - Energy - Heat Transfer - Convection
A Physics revision video explaining the process of heat transfer by Convection.
published: 05 Jan 2014 -
Heat Transfer - Convection
A simple demonstration of convection. Come see the rest of my videos at www.anglesandacid.com
published: 24 Mar 2013 -
Lecture 18: Brief Introduction to Convection Heat Transfer
This lecture covers the following topics: 1. Concept of hydrodynamic boundary layer 2. Concept of thermal boundary layer 3. Concept of heat transfer coefficient 4. Important non-dimensional numbers in convection heat transfer
published: 17 Feb 2016 -
Heat Transfer: Conduction, Convection, Radiation
published: 26 Jan 2017 -
GCSE Physics Revision: Heat transfer by convection
GCSE Physics Revision: Heat transfer by convection You can watch all my videos at www.freesciencelessons.co.uk In this video, we learn about convection. We find out why convection can only take place in liquids and gases but never in solids. We explore what actually happens in convection in terms of the particles involved.
published: 30 Mar 2015 -
Convection Demos
Convection appears in many systems in the universe. A heated fluid will expand, increasing the volume, and decreasing the density so the heated fluid floats in its surroundings. When cooled the fluid will sink in its surroundings. This movie highlights 2 demonstrations used in science class. Demo #1 is the Chimney Demo (a.k.a the RED SMOKER) while Demo #2 highlights special convection fluid being heated. We find convection in earth's mantle and believe it drives earth's plates. Ocean currents are driven by convection. Our winds are driven by temperature differences that cause convection and thus air movement. Finally we believe that convection plays a role at the surface of the sun where its evidence is found in the granulation we see. This Video was originally posted 1 year ago ...
published: 14 Mar 2013 -
Heat Transfer: Conduction, Convection, and Radiation
Descriptions and pictures. Middle School level.
published: 14 Jun 2012 -
-
La convection
Nous introduisons dans cette vidéo le processus de convection. Nous montrons que la convection résulte de la conduction et de la poussée d'Archimède. Nous évoquons également le nombre de Rayleigh ainsi que la loi de Newton et la résistance thermique qui peut lui être associée. Voir également : - sur la conduction, la loi de Fourier et la notion de résistance thermique : https://youtu.be/_dzP67v0B_0 Musique : Cryin In My Beer par Audionautix est distribué sous la licence Creative Commons Attribution Réalisation et enregistrement Christophe FINOT.
published: 20 Mar 2016 -
CONVECTION WITH THE SCIENCE GEEKS
Convection! Who cares? You should! Discover how heat is transferred in liquids and gases! How convection effects us through wind, earthquakes and its implications in the home! How do sea breezers occur? Ocean currents? How does it heat rooms? It's all explained here, whether you like it or not!
published: 16 Apr 2013
Physics - Energy - Heat Transfer - Convection
- Order: Reorder
- Duration: 2:08
- Updated: 05 Jan 2014
- views: 74517
A Physics revision video explaining the process of heat transfer by Convection.
A Physics revision video explaining the process of heat transfer by Convection.
https://wn.com/Physics_Energy_Heat_Transfer_Convection
A Physics revision video explaining the process of heat transfer by Convection.
- published: 05 Jan 2014
- views: 74517
Heat Transfer - Convection
- Order: Reorder
- Duration: 2:21
- Updated: 24 Mar 2013
- views: 43148
A simple demonstration of convection.
Come see the rest of my videos at www.anglesandacid.com
A simple demonstration of convection.
Come see the rest of my videos at www.anglesandacid.com
https://wn.com/Heat_Transfer_Convection
A simple demonstration of convection.
Come see the rest of my videos at www.anglesandacid.com
- published: 24 Mar 2013
- views: 43148
Lecture 18: Brief Introduction to Convection Heat Transfer
- Order: Reorder
- Duration: 1:13:14
- Updated: 17 Feb 2016
- views: 4699
This lecture covers the following topics:
1. Concept of hydrodynamic boundary layer
2. Concept of thermal boundary layer
3. Concept of heat transfer coefficient...
This lecture covers the following topics:
1. Concept of hydrodynamic boundary layer
2. Concept of thermal boundary layer
3. Concept of heat transfer coefficient
4. Important non-dimensional numbers in convection heat transfer
https://wn.com/Lecture_18_Brief_Introduction_To_Convection_Heat_Transfer
This lecture covers the following topics:
1. Concept of hydrodynamic boundary layer
2. Concept of thermal boundary layer
3. Concept of heat transfer coefficient
4. Important non-dimensional numbers in convection heat transfer
- published: 17 Feb 2016
- views: 4699
Heat Transfer: Conduction, Convection, Radiation
- Order: Reorder
- Duration: 9:12
- Updated: 26 Jan 2017
- views: 14161
- published: 26 Jan 2017
- views: 14161
GCSE Physics Revision: Heat transfer by convection
- Order: Reorder
- Duration: 3:52
- Updated: 30 Mar 2015
- views: 29010
GCSE Physics Revision: Heat transfer by convection
You can watch all my videos at www.freesciencelessons.co.uk
In this video, we learn about convection. We fi...
GCSE Physics Revision: Heat transfer by convection
You can watch all my videos at www.freesciencelessons.co.uk
In this video, we learn about convection. We find out why convection can only take place in liquids and gases but never in solids. We explore what actually happens in convection in terms of the particles involved.
https://wn.com/Gcse_Physics_Revision_Heat_Transfer_By_Convection
GCSE Physics Revision: Heat transfer by convection
You can watch all my videos at www.freesciencelessons.co.uk
In this video, we learn about convection. We find out why convection can only take place in liquids and gases but never in solids. We explore what actually happens in convection in terms of the particles involved.
- published: 30 Mar 2015
- views: 29010
Convection Demos
- Order: Reorder
- Duration: 4:31
- Updated: 14 Mar 2013
- views: 138196
Convection appears in many systems in the universe. A heated fluid will expand, increasing the volume, and decreasing the density so the heated fluid floats in...
Convection appears in many systems in the universe. A heated fluid will expand, increasing the volume, and decreasing the density so the heated fluid floats in its surroundings. When cooled the fluid will sink in its surroundings. This movie highlights 2 demonstrations used in science class. Demo #1 is the Chimney Demo (a.k.a the RED SMOKER) while Demo #2 highlights special convection fluid being heated. We find convection in earth's mantle and believe it drives earth's plates. Ocean currents are driven by convection. Our winds are driven by temperature differences that cause convection and thus air movement. Finally we believe that convection plays a role at the surface of the sun where its evidence is found in the granulation we see. This Video was originally posted 1 year ago and had 152 views. I added the convection fluid clips and re-uploaded it.
https://wn.com/Convection_Demos
Convection appears in many systems in the universe. A heated fluid will expand, increasing the volume, and decreasing the density so the heated fluid floats in its surroundings. When cooled the fluid will sink in its surroundings. This movie highlights 2 demonstrations used in science class. Demo #1 is the Chimney Demo (a.k.a the RED SMOKER) while Demo #2 highlights special convection fluid being heated. We find convection in earth's mantle and believe it drives earth's plates. Ocean currents are driven by convection. Our winds are driven by temperature differences that cause convection and thus air movement. Finally we believe that convection plays a role at the surface of the sun where its evidence is found in the granulation we see. This Video was originally posted 1 year ago and had 152 views. I added the convection fluid clips and re-uploaded it.
- published: 14 Mar 2013
- views: 138196
Heat Transfer: Conduction, Convection, and Radiation
- Order: Reorder
- Duration: 3:25
- Updated: 14 Jun 2012
- views: 426890
Descriptions and pictures. Middle School level.
Descriptions and pictures. Middle School level.
https://wn.com/Heat_Transfer_Conduction,_Convection,_And_Radiation
Convection Experiment
- Order: Reorder
- Duration: 2:42
- Updated: 26 Feb 2014
- views: 15748
This video is about Convection Experiment
This video is about Convection Experiment
https://wn.com/Convection_Experiment
La convection
- Order: Reorder
- Duration: 7:39
- Updated: 20 Mar 2016
- views: 5369
Nous introduisons dans cette vidéo le processus de convection. Nous montrons que la convection résulte de la conduction et de la poussée d'Archimède. Nous évoqu...
Nous introduisons dans cette vidéo le processus de convection. Nous montrons que la convection résulte de la conduction et de la poussée d'Archimède. Nous évoquons également le nombre de Rayleigh ainsi que la loi de Newton et la résistance thermique qui peut lui être associée.
Voir également :
- sur la conduction, la loi de Fourier et la notion de résistance thermique : https://youtu.be/_dzP67v0B_0
Musique : Cryin In My Beer par Audionautix est distribué sous la licence Creative Commons Attribution
Réalisation et enregistrement Christophe FINOT.
https://wn.com/La_Convection
Nous introduisons dans cette vidéo le processus de convection. Nous montrons que la convection résulte de la conduction et de la poussée d'Archimède. Nous évoquons également le nombre de Rayleigh ainsi que la loi de Newton et la résistance thermique qui peut lui être associée.
Voir également :
- sur la conduction, la loi de Fourier et la notion de résistance thermique : https://youtu.be/_dzP67v0B_0
Musique : Cryin In My Beer par Audionautix est distribué sous la licence Creative Commons Attribution
Réalisation et enregistrement Christophe FINOT.
- published: 20 Mar 2016
- views: 5369
CONVECTION WITH THE SCIENCE GEEKS
- Order: Reorder
- Duration: 7:50
- Updated: 16 Apr 2013
- views: 85302
Convection! Who cares? You should! Discover how heat is transferred in liquids and gases! How convection effects us through wind, earthquakes and its implicatio...
Convection! Who cares? You should! Discover how heat is transferred in liquids and gases! How convection effects us through wind, earthquakes and its implications in the home! How do sea breezers occur? Ocean currents? How does it heat rooms? It's all explained here, whether you like it or not!
https://wn.com/Convection_With_The_Science_Geeks
Convection! Who cares? You should! Discover how heat is transferred in liquids and gases! How convection effects us through wind, earthquakes and its implications in the home! How do sea breezers occur? Ocean currents? How does it heat rooms? It's all explained here, whether you like it or not!
- published: 16 Apr 2013
- views: 85302
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2:08
Physics - Energy - Heat Transfer - Convection
A Physics revision video explaining the process of heat transfer by Convection.
published: 05 Jan 2014
Physics - Energy - Heat Transfer - Convection
Physics - Energy - Heat Transfer - Convection
- Report rights infringement
- published: 05 Jan 2014
- views: 74517
2:21
Heat Transfer - Convection
A simple demonstration of convection.
Come see the rest of my videos at www.anglesandacid...
published: 24 Mar 2013
Heat Transfer - Convection
Heat Transfer - Convection
- Report rights infringement
- published: 24 Mar 2013
- views: 43148
1:13:14
Lecture 18: Brief Introduction to Convection Heat Transfer
This lecture covers the following topics:
1. Concept of hydrodynamic boundary layer
2. Con...
published: 17 Feb 2016
Lecture 18: Brief Introduction to Convection Heat Transfer
Lecture 18: Brief Introduction to Convection Heat Transfer
- Report rights infringement
- published: 17 Feb 2016
- views: 4699
9:12
Heat Transfer: Conduction, Convection, Radiation
published: 26 Jan 2017
Heat Transfer: Conduction, Convection, Radiation
Heat Transfer: Conduction, Convection, Radiation
- Report rights infringement
- published: 26 Jan 2017
- views: 14161
3:52
GCSE Physics Revision: Heat transfer by convection
GCSE Physics Revision: Heat transfer by convection
You can watch all my videos at www.fre...
published: 30 Mar 2015
GCSE Physics Revision: Heat transfer by convection
GCSE Physics Revision: Heat transfer by convection
- Report rights infringement
- published: 30 Mar 2015
- views: 29010
4:31
Convection Demos
Convection appears in many systems in the universe. A heated fluid will expand, increasin...
published: 14 Mar 2013
Convection Demos
Convection Demos
- Report rights infringement
- published: 14 Mar 2013
- views: 138196
3:25
Heat Transfer: Conduction, Convection, and Radiation
Descriptions and pictures. Middle School level.
published: 14 Jun 2012
Heat Transfer: Conduction, Convection, and Radiation
Heat Transfer: Conduction, Convection, and Radiation
- Report rights infringement
- published: 14 Jun 2012
- views: 426890
2:42
Convection Experiment
This video is about Convection Experiment
published: 26 Feb 2014
Convection Experiment
Convection Experiment
- Report rights infringement
- published: 26 Feb 2014
- views: 15748
7:39
La convection
Nous introduisons dans cette vidéo le processus de convection. Nous montrons que la convec...
published: 20 Mar 2016
La convection
La convection
- Report rights infringement
- published: 20 Mar 2016
- views: 5369
7:50
CONVECTION WITH THE SCIENCE GEEKS
Convection! Who cares? You should! Discover how heat is transferred in liquids and gases! ...
published: 16 Apr 2013
CONVECTION WITH THE SCIENCE GEEKS
CONVECTION WITH THE SCIENCE GEEKS
- Report rights infringement
- published: 16 Apr 2013
- views: 85302
Physics - Energy - Heat Transfer - Convection...
Heat Transfer - Convection...
Lecture 18: Brief Introduction to Convection Heat ...
Heat Transfer: Conduction, Convection, Radiation...
GCSE Physics Revision: Heat transfer by convection...
Convection Demos...
Heat Transfer: Conduction, Convection, and Radiati...
Convection Experiment...
La convection...
CONVECTION WITH THE SCIENCE GEEKS...
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Lyrics list:lyrics
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Conviction, Deicide
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Conviction, Primal Fear
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Conviction, Crucified
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Conviction, The Crucified
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Conviction, Amber Pacific
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Convocation, Hate
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Conviction, In Fear & Faith
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Conviction, Question Mark
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Conviction, Breeze
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Conviction, Crimson Armada
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Conviction
A day of death upon the cross of deceit
impure with pleasure to bare witness to he
death calling you to christ, human sacrifice, conviction
down the unseen, your belief, absent god, don't exist
go unto thou, from the dead, walk with him, he ain't there
love in retreat, uncompelled, feel no pain, pray unfelt
hate run in place, holy grace, contemplate, there's no god
the work of jesus was the devil in fact
his miracles were nothing more than a trap
lies pinned upon the cross, crucify his false religion
conviction, choking on the crucifix in his blood
conviction, take the bullet for the love of a son
conviction, from the cross into his kingdom you go
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their own disenchantment of perversions confessed
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conviction, take the bullet for the love of a son
conviction, from the cross into his kingdom you go
back
Ice block the size of Delaware about to break away from Antarctica as global temperatures rise, scientists warn
Edit The Independent 03 Jul 2017
Read more ....
back
20 including journalists, retired HC judge paid through hawala to fuel Kashmir unrest
Edit One India 03 Jul 2017
The security forces along with the Intelligence Bureau have prepared a list of 20 persons including journalists and a retired High Court judge who have been fueling unrest in the Valley. The list of 20 was prepared with the ... ....
back
2 Massive New Holes Have Exploded Open In Siberia
Edit WorldNews.com 04 Jul 2017
The second bang was so loud it was picked up by seismic stations in neighboring settlements and near a local gas field. The new hole is approximately eight meters (26 feet) in diameter and at least 20 meters (65 feet) deep.“It happened some 35 to 40 kilometers [21 to 24 miles] northwest of Seyakha. Reindeer herder Yakov Vengo has a camp there,” fellow reindeer herder Mikhail Okotetto told local news, according to the Siberian Times ... ....
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Germany No Longer "Friends" With U.S. In Merkel's Election Campaign
Edit WorldNews.com 03 Jul 2017
In the campaign program for the upcoming German election, Chancellor Angela Merkel's conservatives have stopped describing Germany and the U.S. as 'friends,' according to Reuters. The program from 2013 of Merel's Christian Democratic Union (CDU) and their Bavarian sister party, the Christian Social Union (CSU), called the United States as Germany's "most important friend" outside of Europe ... out of the Paris climate accord....
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Mysterious Sea Creatures Spreading to Alaska Baffle Scientists
Edit WorldNews.com 04 Jul 2017
Scientists are left scratching their heads over the large pink thimble-shaped sea creatures that are suddenly popping up all over the American West Coast and now in Alaska for the first time, according to The Associated Press. Scientists know that the creatures are pyrosomes, which are tropical, filter-feeding spineless sea creatures that are usually located along the equator ... National Oceanic and Atmospheric Administration....
Extremely hot, humid day for UAE residents today
Edit Khaleej Times 03 Jul 2017
The NCMS had issued a warning of poor visibility of less than 1000 metres ... Some clouds could form over some eastern and the southern areas by afternoon may form convective cloud to east....
UAE hits 50°C on Thursday, hot weekend ahead
Edit Khaleej Times 30 Jun 2017
Winds will be southeasterly - northeasterly, 10 - 20/25 Kph in general ... The outlook for the next 48 hours is for it to remain very hot, partly cloudy and hazy at times over some areas, with a chance of some convective clouds developing over the eastern and the southern areas by afternoon ... ....
New oven to bake bread in space
Edit Boing Boing 30 Jun 2017
A German start-up has prototyped a bread oven that operated in microgravity that may someday enable astronauts to enjoy fresh-baked goods in space. Currently, astronauts eat tortillas because they aren't crumbly and have a long shelf-life ... But that would not be possible in space. Processes such as thermal convection, which helps to mix up air on Earth, don't work in space ... ....
How Extreme Heat Could Leave Swaths of the Planet Uninhabitable
Edit Vanity Fair 30 Jun 2017
As usual, it was caused by a powerful high-pressure dome that parked overhead, compressing and heating the upper atmosphere, limiting convection, and trapping the lower atmosphere below it even as the desert floor heated the air from the ground up. “Heat waves” are relative affairs—technically, they are merely multi-day deviations from whatever the local norms happen to be ... ....
Will it rain on Cleveland Orchestra's 'Star-Spangled Spectacular' tonight?
Edit Cleveland 30 Jun 2017
>. CLEVELAND, Ohio -- The Cleveland Orchestra's annual Star-Spangled Spectacular kicks off tonight at 9 p.m ... Pre-concert activities begin at 6 p.m., when chances are more slight at 30 percent ... A passing low-pressure system is the trigger for showers, yet a huge influx of moisture into the region due to southerly winds will act as fuel to developing convection ... Kelly Reardon is cleveland.com's meteorologist ... ....
Conway: I Endorse Trump’s ‘Ability To Fight Back’
Edit TPM 30 Jun 2017
Kellyanne Conway on Friday defended President Donald Trump tweeting personal attacks on cable news anchors, saying Trump has the right to fight back when he’s attacked. “No, I didn’t say I endorse his attacks ... Then how come low I.Q ... — Donald J ... “Let people disagree on policy and stop the personal convective, it’s completely toxic and it’s completely counterproductive to connecting America with policy prescription that they need.” ... ....
NW India overtakes other regions in excess rainfall
Edit The Times of India 30 Jun 2017
Pune. Northwest India, a region often prone to deficient monsoon, has surpassed its June rainfall aggregates of the last four years. The region performed surprisingly better than other three regions of the country in terms of 'excess' rainfall received by it this monsoon ... Madhya Maharashtra and Marathwada received excess rainfall in June because of intense, short-duration thundershowers caused by convective heating ... RELATED ... Carbuyer ... GST....
Teledyne e2v delivers first space-grade commercial processors to Thales Alenia Space for use in a European satellite mission
Edit Market Watch 30 Jun 2017
Now, for the first time, Thales Alenia Space can utilise a microprocessor offering the same performance as the latest desktop PCs in a spaceflight-ready version capable of surviving the rigours of a 15-year mission. The satellite LI systems will facilitate the monitoring and tracking of active convective areas and storm life cycles critical for nowcasting and very short range forecasting of severe weather events ... Notes to Editors....
Bio-solar-house champions German innovation and efficiency
Edit Stuff 30 Jun 2017
ILLYA McLELLAN/Stuff.co.nz ... If you can imagine living in a giant greenhouse that is able to produce its own energy then you have an idea of what living in a bio-solar house is like ... The design harnesses solar energy for heating air and water through a low-tech system of convection and diffusion - made possible by an all-encompassing wall cavity that enables uninhibited air movement between the house's exterior and interior walls....
Extrusion Cooling: It's All About Turbulence
Edit Topix 29 Jun 2017
Regardless of what you are extruding, in order to maximize cooling you need to generate turbulence at the heat-exchange surface. Here, comparing the Nusselt number at Re = 1000 and Re = 3000 shows an increase of more than Nusselt number, two times the convective heat transfer ... ....
More than 45 deaths, 4 million power outages, part of legacy of 'derecho'
Edit Philadelphia Daily News 29 Jun 2017
In the afternoon of June 29, 2012, a cluster of storms mutated into what technically was a “mesoscale convective system,” and commenced racing toward the East Coast at 60 mph in a bow-echo pattern ... ....
Kitchen gadgets review: Panasonic steaming microwave – a magnificent black box
Edit The Guardian 28 Jun 2017
This machine steams, grills, oven-cooks and microwaves food in any combination, delivering everything from faultless haddock and steamed veg to late-night pizza. I feel like it knows me already. Gadgets. Inspect a gadget. Kitchen gadgets review. Panasonic steaming microwave – a magnificent black box ... I feel like it knows me already. @whatsamadder. What? ... Uses non-ionising radiation, convection and vapour condensation to cook food within. Why?....
How to keep your cool with high-rel thermal management
Edit Eweekly 28 Jun 2017
The aerospace sector places some uniquely challenging demands on electronics designers – even compared to other applications where reliability is the key priority ... Case study. TEN Tech ... They were able to quickly create a multi-fluid model of the cold-plate involving free convection and liquid cooling, and to optimise the cooling channels to obtain a good compromise between heat dissipation and pressure-drop through the cold-plate ... ....
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