A comparison of naturally Ventilated vs. Fan ventilated greenhouses in the Southeastern U.S.

2005 ASAE Annual International Meeting

Volumn , Issue , 2005, Pages

  Willits, D H ^a   Li, Shuhai ^a  

^a NORTH CAROLINA STATE UNIVERSITY   (United States)

Author keywords

Fan ventilation; Greenhouse cooling; Greenhouses; Natural ventilation; Tomatoes

Indexed keywords

AIR FLOW; AIR TEMPERATURE; CANOPY TEMPERATURE; FAN VENTILATION; FRUIT YIELD; GREENHOUSE COOLING; HOUSE TYPES; LEAF TEMPERATURE; NATURAL VENTILATION; RELATIVE HUMIDITIES; TEMPERATURE DIFFERENCES; TOMATOES; TOTAL YIELD; VENTILATION RATE;

AGRICULTURE; ATMOSPHERIC HUMIDITY; ATMOSPHERIC TEMPERATURE; COOLING; FRUITS; GREENHOUSE EFFECT; GREENHOUSES; VENTILATION;

HOUSES;

EID: 70349141807     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (8)

1. Bot, G.P.A. 1983. Greenhouse climate: from physical processes to a dynamic model. Ph. D. thesis, Agricultural university of Wageningen. 240pp.
2. de Jong, T. 1995. Natural ventilation in large multi-span greenhouses. Ph. D. thesis, Agricultural University of Wageningen. 116 pp.
3. Montero, J.I., P. Munoz and A. Anton. 1997. Discharge coefficients of greenhouse windows with insect-proof screens. Acta Hort. 443, 71-77.
4. SAS Institute, Inc. 1989. SAS/STAT User's Guide, Version 6, Fourth Edition, Volume 2, Cary, NC: SAS Institute Inc., 846 pp.
5. Seginer, I., D. H. Willits, M. Raviv and M. M. Peet. 2000. Transpirational cooling of greenhouse crops. BARD Final Scientific Report IS-2538-95R, Bet Dagan.
6. Teitel, M., Barak, M., Berlinger, M.J., Mordechai, Sara L. 1999. Insect proof screens in greenhouses: their effect on roof ventilation and insect penetration. Acta Hort., 507, 25-34.
7. Willits, D. H. 2000a. Design of environmental control systems for greenhouses: A comparison of four engineering standards plus input from the industry. Paper no. 00-4060 presented to the 2000 ASAE meeting, Milwaukee, WI.
8. Willits, D. H. 2000b. The effect of ventilation rate, evaporative cooling, shading and mixing fans on air and leaf temperatures in a greenhouse tomato crop. Paper no. 00-4058 presented to the 2000 ASAE meeting, Milwaukee, WI.