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The paper presents a dynamic method to estimate the actual occupancy in indoor space by measuring the carbon dioxide concentration of return air and outdoor air-flow rate. The accuracy and response speed are tested and compared with the steady-state estimating method under various occupancy profiles. An on-line outdoor air control strategy using the dynamic estimating method and the validation of the method are presented. The indoor air quality and energy performance of ventilation using these strategies are evaluated under various indoor occupancy and outdoor weather conditions.
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Details
- Original title: On-line outdoor air flow control by estimating occupancy.
- Record ID : 1998-3084
- Languages: English
- Source: International Symposium on Air Conditioning in High Rise Buildings - 1997
- Publication date: 1997/09/09
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
- Themes: Other air-conditioning equipment
- Keywords: Heat balance; Control (automatic); Air change; Air conditioning; CO2
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Experimental evaluation of CO2-based demand-con...
- Author(s) : ALALAWI M. A., KRARTI M.
- Date : 2002
- Languages : English
- Source: ASHRAE Transactions. 2002 annual Meeting, Honolulu, Hawaii. Volume 108, part 2 + CD-ROM.
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Minimum ventilation control for variable air vo...
- Author(s) : KETTLER J. P.
- Date : 1995/06/24
- Languages : English
- Source: ASHRAE Transactions.
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Convective heat transfer in building energy and...
- Author(s) : FISHER D. E., PEDERSEN C. O.
- Date : 1997
- Languages : English
- Source: ASHRAE Transactions.1997 Annual Meeting, Boston, MA.
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Minimum outside air control methods for variabl...
- Author(s) : ELOVITZ D. M.
- Date : 1995/06/24
- Languages : English
- Source: ASHRAE Transactions.
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Energy and indoor air quality impacts of CO2-ba...
- Author(s) : CARPENTER S. C.
- Date : 1996/06/23
- Languages : English
- Source: ASHRAE Transactions.
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