Variable Water Flow Pumping for Central Chilled Water Systems-Reference-Cited by-同舟云学术

Variable Water Flow Pumping for Central Chilled Water Systems

Published:2002-08-01 Issue:3 Volume:124 Page:300-304
ISSN:0199-6231
Container-title:Journal of Solar Energy Engineering
language:en
Short-container-title:

Author:

Liu M.¹

Affiliation:

1. Architectural Engineering, University of Nebraska, 1110 South 67th Street, Omaha, NE 68182-0681

Abstract

A new variable water (VW) flow system for chilled water system application is presented. Design, operational, and control issues are discussed. Analytical models of pump power and evaporative temperature are developed. The VW systems consume considerably less pump and compressor energy than the primary secondary (PS) systems under partial load conditions for most existing chillers. The VW system consumes less compressor energy since it results in higher refrigerant temperature in the evaporator. The VW systems also have the decoupling capability of the primary and secondary pumping systems.

Publisher

ASME International

Subject

Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment

Link

http://asmedigitalcollection.asme.org/solarenergyengineering/article-pdf/124/3/300/5518305/300_1.pdf

Reference12 articles.

1. Rishel, J. B. , 1994, “Distributed Pumping for Chilled and Hot Water Systems,” ASHRAE Trans., 100, Pt. 1, pp. 1521–1527.

2. Avery, G. , 2001, “Improving the Efficiency of Chilled Water Plants,” ASHRAE J., 43(5), pp. 14–18.

3. ASHRAE, 2000, 2000 ASHRAE Handbook, HVAC Systems and Equipment, American Society of Heating, Refrigerating and Air Conditioning Engineers, Atlanta, GA.

4. Hegberg, R. A. , 1994, “Why Consider a primary-Secondary Hydronic Pumping System?” ASHRAE Trans., 100, Pt. 1, pp. 1516–1520.

5. Hyman, L. B., and Bockmiller, F. R., 2000, “Primary Chilled Water Loop Retrofit,” ASHRAE J., 42(12), pp. 60–64.

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