What is an Absorption Heat Pump?
How Absorption Heat Pumps Work?
The most common Absorption Heat Pumps use a mix of ammonia and water to provide heating and cooling. An ammonia-water absorption cycle is used is AHPs to heat or cool air.
In basic terms, the refrigerant (ammonia) is condensed in one end of the system (coil) to release its heat; then the pressure is reduced and the refrigerant is evaporated to absorb heat. By absorbing heat from the interior of your home, it provides cooling; by releasing heat to the interior of your home, it provides heating (AHPs can not be reversible: they can be used only for heating or cooling).
Current AHPs take advantage of a new technology called GAX (generator absorber heat exchanger technology) which increases efficiency significantly. GAX recovers the heat that is released when the ammonia is absorbed into the water. The advantage of using a heat pump derives from its capacity to supply more energy (i.e. heat) than that employed for its operation.
AHP applications
These systems were originally used mainly in industrial or commercial settings. However, today there are systems available for home use. Absorption coolers are available for large residential homes. These AHPs are very useful in homes located in areas were electricity is not available. They can be powered by other alternative sources of energy (solar energy, geothermal hot water, or other heat sources) making them more environmentally friendly. Where electricity is available these system can be used to save on it by using gas or other alternative sources of energy such as solar energy.
Recently, researchers are in the process of developing a compact, microtechnology-based heat pump. The micro system uses a combination on components in layers of sheets to form the hardware system, which by its special configuration will occupy only a few cubic inches. Applications for this special micro heat pump include portable cooling systems and mobile and/or remote environmental conditioning.
Source:
Absorption Chillers and Heat Pumps - by KE Herold, Reinhard Radermacher, Sanford A Klein
Published by R. Bourne, Ph.D.
Ph.D. Food and Nutrition. MBA. R. Bourne writes mainly about Health and Wellness, Alternative Medicine and Healing, Nutrition, Dieting and Food Science and Technology. He has been writing online content... View profile
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2 Comments
Post a Commentvery informative here, thanks!
very informative thank you