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Published in: Arabian Journal for Science and Engineering 7/2022

01-11-2021 | Research Article-Mechanical Engineering

Numerical and Experimental Study of an Alpha-Type Stirling Water Dispenser

Authors: Ammar S. Easa, Reda A. Khalaf-Allah, Mohamed T. Tolan, Salwa M. Mohamed

Published in: Arabian Journal for Science and Engineering | Issue 7/2022

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Abstract

Water dispensers are currently one of the essential home items. The international marketplace for water dispensers uses a vapour compression refrigeration cycle, which spends a large amount of energy and uses environmentally harmful refrigerants. In the present work, a numerical and experimental investigation for obtaining hot and cold drinking water using the Stirling cycle is characterized by saving energy, being environment-friendly, rapidly reaching the required cooling or heating loads, and having the highest possible performance. The present work uses a tubular heat exchanger as both a cold and a hot heat exchanger. According to Schmidt's analysis, the optimal water dispenser dimensions is calculated and experimentally confirmed for higher cooling/heating loads. The experimental and numerical results concluded that the machine speed increases the cooling/ heating load at various charged pressure. Also, the increase in the charged mass improves the cooling/heating load. The water dispenser can produce about 3 kW of cooling load and about 7 kW of heating load at 4 bars of charged pressure and 1200 rpm.

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Literature
16.
go back to reference Walker, G.; Weiss, M.; Fauvel, R.; Reader, G.: Microcomputer simulation of Stirling cryocoolers. In: Cryogenics, Vol. 846. Butterworth & Co (1989) Walker, G.; Weiss, M.; Fauvel, R.; Reader, G.: Microcomputer simulation of Stirling cryocoolers. In: Cryogenics, Vol. 846. Butterworth & Co (1989)
Metadata
Title
Numerical and Experimental Study of an Alpha-Type Stirling Water Dispenser
Authors
Ammar S. Easa
Reda A. Khalaf-Allah
Mohamed T. Tolan
Salwa M. Mohamed
Publication date
01-11-2021
Publisher
Springer Berlin Heidelberg
Published in
Arabian Journal for Science and Engineering / Issue 7/2022
Print ISSN: 2193-567X
Electronic ISSN: 2191-4281
DOI
https://doi.org/10.1007/s13369-021-06289-w

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