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Session 3233

Portable Experimental Apparatus for Demonstrating Heat Recovery Concepts

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

Abstract

A waste water heat recovery system experiment apparatus was designed, developed, and constructed for the undergraduate mechanical engineering laboratory at Indiana University- Purdue University at Fort Wayne. The purpose of the experimental apparatus is to demonstrate heat transfer principles and heat recovery concepts. 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 waste water heat recovery system. This heat recovery system is a preheating unit for the incoming cold water of a residential and commercial (such as restaurant and hotels) hot water systems. It is designed to recover some of the heat of the waste water going into the sewage system. This project was completed with the assistance of an Undergraduate Senior Project Grant from the American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE).

I. Introduction

The ever increasing desire for energy by the first-world countries will no longer, in the not too distant future, be able to be met by fossil fuels alone. The known economically recoverable worldwide fossil fuel reserves are limited. In fact, at the current rate of worldwide consumption there is enough oil to last 45 years, enough natural gas to last 65 years, and enough coal to last 224 years [1]. With increasing awareness of limited energy resources and deteriorating environment, many countries have come to understand that using energy effectively and cleanly is the solution to some of the current energy and environmental problems. Energy consumption and environmental pollution can be reduced, without sacrificing comforts, by designing and employing energy saving equipment. Residential and commercial water heaters consume a substantial portion of the average utility bill. Restaurants Hotels are a potentially attractive application of a heat recovery system.

Heat transfer is a basic and very important topic that deals with energy and has long been an

Proceedings of the 2003 American Society for Engineering Education Annual Conference & Exposition Copyright © 2003, American Society for Engineering Education

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Abu-Mulaweh, H. (2003, June), Portable Experimental Apparatus For Demonstrating Heat Recovery Concepts Paper presented at 2003 Annual Conference, Nashville, Tennessee. 10.18260/1-2--11901