An Analysis of Air Conditioner Using Earth Tube Heat Exchanger
Author(s):
Mansha Kumari, Dr. Arvind.S. Mohite
Keywords:
Earth tube heat exchanger, air tunnel, copper pipe, air conditioner.
Abstract
The objective of this research paperwork is to study the performance of air conditioner using earth air tunnel heat exchanger, as Power consumption is a major concern in Air Conditioner. The concept of experimentally study of air conditioner, using earth air tunnel heat exchanger (EATHE) can be done to evaluate the performance of the system [6]. The ground can be used as a heat sink for cooling in the summer and as a heat source for heating in the winter. The air thus cooled or heated can be used directly for the conditioned space. The EATHE’s are considered as one of the most passive system due to its ability to provide both the effects; heating in cold months and cooling during warm months. The aim of this work is to investigate the possibility of reducing the operational energy of typical house without negatively affecting its embodied energy. This is done through consideration of different building materials coupled with the use of an earth to air heat exchanger (EAHE) for fresh air supply and cooling. A single pass earth-tube heat exchanger (ETHE) was installed to study its performance in cooling and heating mode. ETHE consists of a 10.36 m long ½ inches diameter Aluminium and Copper pipe with wall thickness of 3 mm respectively. Fins are made of thin GI plate placed over the pipe and then spot welded at several points. There are 25 fins per 0.5 m length of pipe. A 1 m wide, 3.19 m deep and 1 m long trench was first excavated by a bucket excavator Ambient air is pumped through it by a 400 w blower. Air velocity in the pipe is 11 m/s. Air temperature is measured at the inlet of the pipe, in the middle and at the outlet by thermistors placed inside the pipe. This arrangement can improve the Air Conditioning effect.
Article Details
Unique Paper ID: 145518

Publication Volume & Issue: Volume 4, Issue 10

Page(s): 286 - 289
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