Studying the Characteristics of Heat Pipe Heat Exchangers in Air Conditioning Systems
Ahmed Mohamed Farouk Ahmed Hamed Mousa;
Abstract
Thesis subject: studying the characteristics of heat pipe heat exchangers in air conditioning systems
In this thesis a study has been made on a heat pipe heat exchanger used in heat recovery. The test rig has been built to simulate the same conditions of the heat recovery systems in air conditioning applications. In these systems, the heat pipe-heat exchanger is considered one of the best solutions especially in hospitals and laboratories in which zero cross contamination is required.
The measured data acquired from the test rig were analyzed to evaluate the thermal behavior and effectiveness of the heat exchanger.
Cold and hot air ducts have been connected to a heat pipe heat exchanger. The first two experiments have been carried out by changing the hot air inlet temperature from 32 ~ 55 °C.
The inlet cold air temperatures has been maintained constant at 26 °C in one experiment and 28 °C in the other one.
Another three experiments have been carried out, by changing the ratio of the air mass flow rates between the cold and the hot air from 1 to almost 2, whilst the temperature of the cold air remained constant at 26 °C. Also the hot air temperature is maintained constant at either 35 °C, 40 °C and 45 °C. Hence for each experiment the thermal performance and effectiveness of the heat recovery system were investigated.
In this thesis a study has been made on a heat pipe heat exchanger used in heat recovery. The test rig has been built to simulate the same conditions of the heat recovery systems in air conditioning applications. In these systems, the heat pipe-heat exchanger is considered one of the best solutions especially in hospitals and laboratories in which zero cross contamination is required.
The measured data acquired from the test rig were analyzed to evaluate the thermal behavior and effectiveness of the heat exchanger.
Cold and hot air ducts have been connected to a heat pipe heat exchanger. The first two experiments have been carried out by changing the hot air inlet temperature from 32 ~ 55 °C.
The inlet cold air temperatures has been maintained constant at 26 °C in one experiment and 28 °C in the other one.
Another three experiments have been carried out, by changing the ratio of the air mass flow rates between the cold and the hot air from 1 to almost 2, whilst the temperature of the cold air remained constant at 26 °C. Also the hot air temperature is maintained constant at either 35 °C, 40 °C and 45 °C. Hence for each experiment the thermal performance and effectiveness of the heat recovery system were investigated.
Other data
| Title | Studying the Characteristics of Heat Pipe Heat Exchangers in Air Conditioning Systems | Other Titles | دراسة خصائص المبادلات الحراريه ذات الماسوره الحراريه فى انظمة تكييف الهواء | Authors | Ahmed Mohamed Farouk Ahmed Hamed Mousa | Issue Date | 2017 |
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