The experimental study and numerical of pipe finned as a earth-air heat exchangers

Author:

Pintoro A,Manik T U H S G,Sitorus T B,Sihombing E A

Abstract

Abstract Earth-Air Heat Exchanger (EAHE) is cooling hot air by utilizing cold soil temperatures. This research was conducted to determine the out temperature (Tout) on the pipe for each variation of the inlet temperature (Tin) and variety of the inlet fluid velocity. In this research, the comparison between the experimental results and the results of theoretical calculations. In this study the air velocity of entry was adjusted using blowers and for measurement of temperature in pipes using thermocouples. From the experimental results of out temperature (Tout) at the tube with air velocity of 1 m/s is relatively the same as the result of theoretical calculation, the temperature decrease reaches temperature of ± 25 C, while for out temperature (Tout) experimental result using air velocity of 3 m/s tends to be higher than the exit temperature (Tout) on the theoretical calculation, ie only reaches a temperature drop at a point of ± 26 °C. The decrease in temperature of the underground culverts affects the length of pipe used in the research because the more air passes the pipe surface air, the faster the heat transfer between the air and the pipe wall occurs.

Publisher

IOP Publishing

Subject

General Medicine

Cited by 10 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Parametric Study of Earth-Air Heat Exchanger Based on Physical Experimentation;Indian Journal of Engineering and Materials Sciences;2023

2. Experimental study of an EAHE combined with a solar collector and a solar panel;INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING AND MANUFACTURING SYSTEMS: ICMEMS2022;2023

3. The performance of an earth-air heat exchanger by using a solar chimney;INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING AND MANUFACTURING SYSTEMS: ICMEMS2022;2023

4. An Experimental and Modeling Study for a Novel Bank-Type Earth Air Heat Exchanger for the Summer Season Using Full Factorial Design;Journal of Thermal Science and Engineering Applications;2022-11-08

5. Experimental studies on natural bank type heating/cooling energy saving Air conditioning system;Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering;2022-05-02

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