Thermal performance analysis of EAHE with and without fins arrangements |
( Volume 2 Issue 6,June 2015 ) OPEN ACCESS |
Author(s): |
Rahul Rathee, Dr. Atul lanjewar |
Abstract: |
An Earth air heat exchanger(EAHE) uses the earth as the thermal source and sink for economical, energy efficient, space heating and cooling. The temperature of earth at a certain depth about 4m the temperature of ground remains nearly constant throughout the year.This constant temperature is called the undisturbed temperature of earth which remains higher than the outside temperature in winter and lower than the outside temperature in summer.When air is passing throught buried pipes it will become hot in winter and cold in summer as compared to outside temperature.EAHE generally uses for passive heating or cooling.This paper presents effect of temperature drop or rise due to fins in horizontal arrangement. In this paper comparsion of COP v/s Reynolds number,temp difference v/s Reynolds number and Nusselt number v/s Reynolds number will be done. |
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