SHANDONG SCIENCE ›› 2016, Vol. 29 ›› Issue (2): 41-58.doi: 10.3976/j.issn.1002-4026.2016.02.009

• Energy and Power • Previous Articles     Next Articles

Research and analysis of an ammonia-water ejectorabsorptioncomposite gas water heater

GUO Yongxian1,ZHANG Daxing2, LIANG Shiqiang1*   

  1. 1. Institute of Engineering Thermophysics, Chinese Academy of Sciences, Beijing 100190, China;
    2. School of Electromechanical Engineering, Xidian Univerity, Xi’an 710071, China
  • Received:2016-01-19 Published:2016-04-20 Online:2016-04-20

PDF (PC)

Like

Abstract:

We construct highly efficient ejectorabsorption composite gas water heater with operating principle of an ejector. We further design its physical and mathematical models with ammoniawater solution as working fluid. We also calculate the proportion of each heat exchanger based on the selection of reasonable matching parameters. Results indicate that high temperature heat exchanger can absorb the maximum gas heat, more than 40% of total transferred heat. However, low temperature heat exchanger can absorb the minimum gas heat, no more than 25% of the total transferred heat. Thermal efficiency of the heater can attain more than 110% in winter, and even more than 120% in summer. High efficiency and energy saving can therefore be practically implemented.

Key words: ejector-absorption system, ejector, ammonia solution, gas water heater

CLC Number: 

  • TK11

Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0), which permits third parties to freely share (i.e., copy and redistribute the material in any medium or format) and adapt (i.e., remix, transform, or build upon the material) the articles published in this journal, provided that appropriate credit is given, a link to the license is provided, and any changes made are indicated. The material may not be used for commercial purposes. For details of the CC BY-NC 4.0 license, please visit: https://creativecommons.org/licenses/by-nc/4.0

鲁ICP备10205608号
Website Copyright © Editorial Office of Shandong Science
Tel: 0531-82605310　E-mail: xuxy@qlu.edu.cn
Powered by Beijing Magtech Co. Ltd