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Showing 1 to 20 of 20 Articles matching 'Heat transfer' in related articles.

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1. Home Hvac: Providing Comfort November 01, 2009 HVAC (pronounced either as "H-V-A-C" or "H-vak") is an acronym that stands for the directly related functions of "Heating, Ventilating, and Air Conditioning"- the technology meant for indoor environmental comfort. HVAC (Heating Ventilation Air Conditioning) system design is a most important sub discipline of mechanical engineering, working using the principles of thermodynamics, fluid mechanics, and transfer of heat. Refrigeration is at times added to the field's abbreviation as HVAC&R or HVACR, or ventilating is dropped like in HACR (such as the designation of HACR-rated circuit breakers). ... (read more) Author: Todd Submitoff

2. Information on Trade Radiators October 28, 2009 Trade radiators are designed to transfer thermal energy from one medium to another for the purpose of space heating or cooling. Heat transfer is studied in chemical or mechanical engineering. Thermodynamics plays an important role in heat transfer as it is essential in understanding the method of heat transfer. Energy conversion, thermofluids, and mass transfer also aid in understanding heat transfer processes. Trade radiators are radiation-emitting materials solely for trade used in industrial and residential areas for heat exchanges. However, trade radiators are commonly purchased for ho... (read more) Author: Jolly Hayden

3. Maintaining your boilers this winter October 22, 2009 Today I am going to give you some tips on how to maintain your boiler this winter. Maintaining a boiler or central heating system is a very important part in your house maintenance . It will be a nightmare if a boiler or central heating system fails to work. Maintaining Your Boiler System Soot Functions as an insulator, and its presence reduces the efficiency in which fuel is burned. The slightest buildup of soot impedes the transfer of heat to the waterside of the boiler. When heat transfer is reduced by soot buildup, the burner is forced to fire more frequently, thereby wasting mo... (read more) Author: Rahul Kanna

4. Types Of Heater October 05, 2009 Conventional heaters broadly fall into three categories, which are radiant heaters, convective heaters and conductive heaters. Technically speaking these are the only three ways for heat to transfer of move from heat generator to their target area. Most of the household heaters are the third type, that is, convective type of heaters. A Little More Technical Information To make things simple, Radiant heaters transfer heat even without a medium, that is, through vacuum or air. This is called heat transfer by radiation. The other two types require some form of media like a liquid medium for co... (read more) Author: William Doyle

5. Loft Insulation - Barrier to Prevent Heat Loss & Condensation September 25, 2009 Loft insulation creates an insulation barrier to resist heat transfer in the roof or attic space. The attic space in your house acts as the point of contact between the weather outside and the house and, if insulated properly, can resist unwanted heat transfer. Insulating a loft area conditions the loft space in a way that helps the house control temperature, air filtration and moisture build up around the area including water tanks, pipes, wiring etc., and within the house. Thus, your house treated with roof insulation gains temperature-controlling ability and retains warmth irrespective of v... (read more) Author: Jack William

6. Cooling Fans for your car & Its Features September 17, 2009 Vehicles require cooling fans to transfer heat just the way humans' require a cooler to get off the heat during summer season. An adequate cooling fan not only protects your engine from getting burnt but also ensures its longevity. Cooling Fans have four to six blades that work rapidly to provide sufficient air to keep the engine cool. They are basically available in two different types mainly • Dual high performance fans Features 1. They are up to 2780 cubic feet/minute 2. They have closed motors 3. They require a mounting surface of approximately 16.5"x24" 4. They have a long lif... (read more) Author: altaf qureshi

7. Did you know that vehicles require cooling fans to transfer heat just the way humans require an air September 11, 2009 Did you know that vehicles require cooling fans to transfer heat just the way humans require an air cooler to keep us cool during summer. It is not possible for us as humans to stay without an air cooler or electric fan during the summer season. All of us require refreshing and cool air to pump up our energy levels and move ahead in life. The scenario is very similar for any vehicle that needs a radiator-cooling fan to transfer heat. An adequate radiator-cooling fan not only protects the engine of the vehicle from getting burnt but also ensures its longevity. What basically are radiator c... (read more) Author: shakeeb shakeeb

8. Please can you tell me what solar hot water panels are? September 10, 2009 Already popular in the 1920's in areas like Florida and Southern California it is not a technology which came up just recently. Solar water heaters use the energy of the sun to heat the water. Usually water is used to transfer the heat to the heat storage vessel. Flat-plate solar-thermal collectors are generally kept on the roof, and possess an absorber plate to which fluid circulation tubes are fixed. The absorber which is coated with a dark selective surface helps in the conversion of the sun's radiation into heat. The water moves through the tubes carries the heat away and stored f... (read more) Author: William Miller

9. Fuel oil handling Systems (FOHS) and storage tanks September 09, 2009 Fuel Oil Handling: Thermo System undertakes complete Design, Engineering, Supply, Fabrication, Installation, Erection, Testing & Commissioning of FOHS for different type of fuels (HFO, HSD, LDO, Naphtha etc) to be stored. Complete mechanical, electrical and instrumentation is covered. Typical Fuel Oil Handling System consists of unloading hose, decanting and transfer facilities, pumping and heating unit (if applicable), bulk storage tank, day tank and the process utility piping. Unloading Skid: Used for unloading the fuel from tankers / wagons through hose... (read more) Author: Peter Hills

10. Loft Insulation Guide - Different Methods of Insulating Loft Space. August 27, 2009 Loft insulation can reduce our utility bills as much as around 20 percent when added in right methods. There are several methods in which we can insulate our loft space depending upon the materials selected to be used. Since heat moves upwards and escapes through loft area, adding layer of insulation in the standard thickness will be effective to block heat transfer. Though the recommended thickness for roof insulation is 270mm, older houses with shallow space between joists limit such loft insulation depth. Different insulation materials come with different attributes and show different scale... (read more) Author: Jack William

11. Jetboil - Finest Cooking System For Outdoors August 26, 2009 The least liked aspect of life in the outdoors was the cooking. Imagine having to lug cumbersome cooking stoves and vacuum flasks to a snowy mountain top and then trying to rustle up a meal in that kind of temperature and pressure. Chances are you came close to chucking the stove down the mountain side. This was until Jetboil came along. The founders of jetboil realized that the key to convenient cooking in the outdoors is efficient heat transfer which was very difficult with conventional equipment. The very ‘raison d ‘etre’’ of Jetboil equipment is to simplify mobile cooking. The new Helios... (read more) Author: Barry Elliot

12. New Conduction-Cooled ATR 6U VPX Platform from Elma Provides Exceptional Thermal Performance August 19, 2009 FREMONT, Calif., August 2009 –Elma Electronic Inc.’s Systems division announced today the new conduction-cooled ATR 6U VPX platform that provides the highest level of environmental protection while also allowing for optimal cooling that convection-cooled platforms cannot offer. Elma’s conduction-cooled ATRs feature a machined card cage that accommodates wedge locks to transfer heat from the boards to the machined platform walls within the integrated card guides. Special grade aluminum joined by a dip-braising process for the chassis parts ensures the best conductivity of the payload. ... (read more) Author: Beth Smith

13. All you need to know about Heat Pump August 19, 2009 What is Heat Pump? Heat pumps operate rather like a refrigerator in reverse - using the air surrounding it in order to gather heat for transfer. Heat is gathered from air drawn through the unit, and transferred to the refrigerant carried in pipes through the Heat Pump and then the temperature is increased by compressing the refrigerant. The heat is then transferred to the pool water contained in adjacent piping. Advantages: The major advantage of electric heat pumps is that they are extremely energy efficient. In simple terms, the heat pump consumes very little energy ... (read more) Author: Aiden Thomas

14. Heating August 06, 2009 There are different types of standard heating systems. Central heating is often used in cold climates to heat private houses and public buildings. Such a system contains a boiler, furnace, or heat pump to heat water, steam, or air, all in a central location such as a furnace room in a home or a mechanical room in a large building. The system also contains either ductwork, for forced air systems, or piping to distribute a heated fluid and radiators to transfer this heat to the air. The term air conditioning radiator in this context is misleading since most heat transfer from the heat exchange... (read more) Author: Andrew Pavel

15. Discover Best Rated Heat Pumps - Newest Power System August 06, 2009 Geothermal heat pumps are also called ground source heat pumps. This conditioning system uses a geothermal source. It can be ground, ground water, or surface water. It also uses a heat sink, which is a body of air or liquid in which heat can be transferred.This conditioning system acts similarly as an air source heat pump : using both compressors to move refrigerant around a closed loop to transfer heat between an indoor and another coil where heat is soaked up or declined. This makes it a better heat source for a heat pump. This source is also cooler than outdoor air in the summer and hotter ... (read more) Author: Ned Bond

16. Air Conditioning - Heating August 03, 2009 There are different types of standard heating systems. Central heating is often used in cold climates to heat private houses and public buildings. Such a system contains a boiler, furnace, or heat pump to heat water, steam, or air, all in a central location such as a furnace room in a home or a mechanical room in a large building. The system also contains either ductwork, for forced air systems, or piping to distribute a heated fluid and radiators to transfer this air conditioning heat to the air. The term radiator in this context is misleading since most heat transfer from the heat exchange... (read more) Author: Andrew Pavel

17. Insulating Your Roof And Attic By Installing Reflective Insulation July 30, 2009 Reflective insulation is a form of thermal insulation that uses reflective material such as aluminium to block out the transfer of radiant heat. Radiant heat, for example from the sun, travels through space from hot to a cooler surface. In this case, most of the heat your home will be exposed to will be on the roof which is then transferred to the rest of the house. To reduce the transfer of heat between your home and the outside, the best area to insulate is your roof and attic as majority of the energy transfer will take place through there. Reflective insulation reduces the temperatu... (read more) Author: Klik Sail

18. Exterior Home Improvements July 21, 2009 Replacement Windows How do I know if I need new windows? Like any part of your home your windows and doors have a life-span. Experts agree that if your windows and doors aren't performing properly, you need to have them examined for replacement. When replacing your windows choose energy star windows. These windows are the most efficient and will provide you with home energy savings. This is what makes a window energy efficient: • Improved frame materials which will help reduce heat transfer and help to insulate • Multiple panes of glass • Low e-gas • Gas fills – argo... (read more) Author: Steve Quigley

19. Swimming Pool Heating July 04, 2009 The heat pump water heater is a special system which uses electricity to power a condenser that extracts heat from the air pumps into water. It may be employed for heating swimming pools, and has a lower operating cost than a gas-based pool heater.It sucks in air from the environment is around it, compresses it, and then uses a heat exchanger to transfer the heat from the compressed air into the water. If you studied physics, you may remember that air heats up as it is compressed, and the air is pumped out the system, much chillier. This is an analogous process to air conditioning, but in reve... (read more) Author: Eli Simpson

20. Heat Pump Water Heater July 04, 2009 The heat pump water heater is a special system which uses electricity to power a condenser that extracts heat from the air pumps into water. It can be employed for heating swimming pools, and has a lower operating cost than a gas-based pool heater.It sucks in air from the environment is around it, compresses it, and then uses a heat exchanger to transfer the heat from the compressed air into the water. If you studied physics, you may remember that air heats up as it is compressed, and the air is pumped out the system, much colder. This is an analogous process to air con, but in reverse. You ca... (read more) Author: Eli Simpson

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