The Maximum Potential Energy Savings from Optimizing Cold Deck and Hot Deck Reset Schedules for Dual Duct VAV Systems

Author:

Liu Mingsheng1,Claridge David E.2

Affiliation:

1. Architectural Engineering, College of Engineering and Technology, University of Nebraska, Lincoln, Omaha, NE 68182-0681

2. Mechanical Engineering Dept., Texas A&M University, College Station, TX 77843-3123

Abstract

This paper presents the physical models for the maximum potential thermal energy savings from optimizing the hot deck and cold deck reset schedules for dual duct variable air volume systems. The maximum potential savings can be determined by using these models combined with basic system operating parameters and bin data. The system performance can be evaluated by comparing the actual savings with the maximum potential savings. The energy savings from optimal cold deck and hot deck reset schedules in multi-zone buildings should be at least 75 percent of the maximum potential savings.

Publisher

ASME International

Subject

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

Reference5 articles.

1. ASHRAE, 1997, ASHRAE Handbook-Fundamentals, Atlanta: American Society of Heating, Refrigeration and Air-conditioning Engineers, Inc.

2. Liu, M., and Claridge, D. E., 1998, “Use of Calibrated HVAC System Models to Optimize System Operation,” ASME JOURNAL OF SOLAR ENGINEERING, May 1998, Vol.120.

3. Liu, M., Athar, A., Reddy, T. A., Claridge, D. E., Haberl, J. S., and White, E., “Reducing Building Energy Costs Using Improved Operation Strategies for Constant-Volume Air Handling Systems,” ASHRAE Transactions-Symposia. Vol. 101, Part 2, pp. 688–700, 1995.

4. SMACNA, 1992, HVAC Systems Applications. Sheet Metal and Air Conditioning Contractors National Association, Inc.

5. Wendes, H. C, 1994, Variable Air Volume Manual, Published by The Fairmont Press, Inc.

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