Development of In Situ Fan Curve Measurement for VAV AHU Systems-Reference-Cited by-同舟云学术

Development of In Situ Fan Curve Measurement for VAV AHU Systems

Published:2005-04-25 Issue:2 Volume:127 Page:287-293
ISSN:0199-6231
Container-title:Journal of Solar Energy Engineering
language:en
Short-container-title:

Author:

Liu M.¹,Liu G.¹,Joo I.¹,Song L.¹,Wang G.¹

Affiliation:

1. Energy Systems Laboratory, Architectural Engineering, University of Nebraska, 1110 S 67th Street Omaha., NE 68182

Abstract

Currently there is no reliable and accurate method available for building pressure control due to the difficulties of accurate airflow measurement. Recently, a fan airflow station was developed that measures the fan airflow using the fan head, fan speed, and fan curve. Both the fan speed and the fan head can be measured accurately using existing sensors and transducers. Therefore, the accuracy of the fan airflow station depends on the accuracy of the fan curve. An experimental method has been developed to determine the in situ fan curve without interrupting the normal system operations. This paper presents the theoretical background, experimental methodology, implementation procedures, and verification results in the laboratory as well as existing buildings.

Publisher

ASME International

Subject

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

Link

http://asmedigitalcollection.asme.org/solarenergyengineering/article-pdf/127/2/287/5713414/287_1.pdf

Reference13 articles.

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2. Liu, M., Zhu, Y., Claridge, D. E., and White, E., 1997, “Impact of Static Pressure Set Level on HVAC Energy Consumption and Indoor Conditions.” ASHRAE Trans., 221, Pt. 2, pp. 221–228.

3. Damiano, L., Dougan, D., and Solberg, D. W., 1990, “Measurement for the Control of Fresh Air Intake,” ASHRAE J., 32(1), pp. 46–51.

4. Elovitz, D. M. , 1995, “Minimum Outside Air Control Methods for VAV Systems,” ASHRAE Trans., 101, Pt. 2, pp. 613–618.

5. Gardne, F. T. , 1988, “Part Load Ventilation Deficiencies in VAV Systems.” J. Heating/Piping/Air Cond., February, pp. 89–100.

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