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 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.
ASME 2004 International Solar Energy Conference
July 11–14, 2004
Portland, Oregon, USA
Conference Sponsors:
- Solar Energy Division
ISBN:
0-7918-3747-5
PROCEEDINGS PAPER
Development of In-Situ Fan Curve Measurement for VAV AHU Systems
M. Liu
,
M. Liu
University of Nebraska at Omaha, Omaha, NE
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G. Liu
,
G. Liu
University of Nebraska at Omaha, Omaha, NE
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I. Joo
,
I. Joo
University of Nebraska at Omaha, Omaha, NE
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L. Song
,
L. Song
University of Nebraska at Omaha, Omaha, NE
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G. Wang
G. Wang
University of Nebraska at Omaha, Omaha, NE
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Author Information
M. Liu
University of Nebraska at Omaha, Omaha, NE
G. Liu
University of Nebraska at Omaha, Omaha, NE
I. Joo
University of Nebraska at Omaha, Omaha, NE
L. Song
University of Nebraska at Omaha, Omaha, NE
G. Wang
University of Nebraska at Omaha, Omaha, NE
Paper No:
ISEC2004-65090, pp. 121-126; 6 pages
Published Online:
December 17, 2008
Citation
Liu, M., Liu, G., Joo, I., Song, L., and Wang, G. "Development of In-Situ Fan Curve Measurement for VAV AHU Systems." Proceedings of the ASME 2004 International Solar Energy Conference. Solar Energy. Portland, Oregon, USA. July 11–14, 2004. pp. 121-126. ASME. https://doi.org/10.1115/ISEC2004-65090
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