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Experimental Apparatus For Demonstrating The Thermo Siphon Heat Recovery System Concept

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2004 Annual Conference


Salt Lake City, Utah

Publication Date

June 20, 2004

Start Date

June 20, 2004

End Date

June 23, 2004



Conference Session

Innovative Ideas for Energy Labs

Page Count


Page Numbers

9.599.1 - 9.599.12

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Hosni Abu-Mulaweh

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Session 1133

Experimental Apparatus for Demonstrating Thermo-siphon Heat Recovery System Concept

Hosni I. Abu-Mulaweh Department of Engineering Indiana University-Purdue University Fort Wayne Fort Wayne, IN 46805, USA


A portable thermo-siphon heat recovery system experimental apparatus was designed, developed, and constructed for the undergraduate mechanical engineering laboratory at Indiana University- Purdue University Fort Wayne. The purpose of this experimental apparatus is to demonstrate heat transfer principles and the concept of thermo-siphon heat recovery system. This paper presents an experimental setup that will help the undergraduate mechanical engineering students in understanding the basic heat transfer processes by utilizing real life applications such as using waste heat from a window type air conditioner to heat water for residential and commercial use. Heat recovery from an air conditioner by thermo-siphon is attractive because it eliminates the need for a circulating pump. This project was completed with the assistance of an Undergraduate Senior Project Grant from the American Society of Heating, Refrigeration, and Air Conditioning Engineers, Inc. (ASHRAE).

I. Introduction

Heat transfer is a basic and very important topic that deals with energy and has long been an essential part of mechanical engineering curricula all over the world. Heat transfer processes are encountered in a large number of engineering applications such as heat recovery systems. It is essential for thermal engineers to understand the principles of thermodynamics and heat transfer and be able to employ the rate equations that govern the amount of energy being transferred. However, the majority of students perceive these topics as difficult.

Recently, Abu-Mulaweh [1, 2] has designed, developed and constructed: 1) Portable refrigeration system experimental apparatus to demonstrate thermodynamics processes and systems which are fundamentals to understanding the basic concepts of thermodynamics. 2) Portable experimental apparatus for demonstrating heat recovery concepts. That heat recovery system was a preheating unit for the incoming cold water of a residential and commercial (such as restaurant and hotels) hot water systems. It was designed to recover some of the heat of the waste water going into the

Proceedings of the 2004 American Society for Engineering Education Annual Conference & Exposition Copyright © 2004, American Society for Engineering Education

Abu-Mulaweh, H. (2004, June), Experimental Apparatus For Demonstrating The Thermo Siphon Heat Recovery System Concept Paper presented at 2004 Annual Conference, Salt Lake City, Utah.

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