Performance Investigation of Heat Pipe Heat Exchanger as Energy Conservation in the Air Conditioning System (original) (raw)
2021, Proceedings of the 2nd International Conference on Science, Technology, and Modern Society (ICSTMS 2020)
Population and economic growth affect the total energy demand and Air Conditioner (AC) electrical systems and economic growth. Energy conservation is needed to reduce the total energy used. Heat pipe heat exchangers (HPHE) are implemented to recover waste energy in air conditioning systems. This study has investigated the performance relationship between effectiveness and the Number of Transfer Units (NTU) in the system. One line of straight axis heat pipe is installed at the inlet and outlet. The configuration was shaky. Changes in temperature and humidity are measured to obtain energy conversion according to changes in air intake speed and temperature variations that enter the ducting. The application of HPHE in the air conditioning system can reduce energy consumption. The results showed that the relationship between effectiveness and NTU was linear. The effectiveness varies from 0.08 to 0.202, and the relationship is expressed as = 1.14NTU + 0.0041. Whereas for low temperature applications the effectiveness varies from 0.022-0.14, the relationship is expressed as = 1 765 NTU + 2.9. These test results can be concluded that HPHE is economical for heat recovery systems in air conditioning systems.
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