Natural Ventilation for Mexican Greenhouses:
Empirical Modeling Using Tracer Gases Technique
Pedro Romero, MS
Student, Agricultural and Biosystems Engineering
Many zones of Mexico have warm climates
whose temperatures allow growers to apply natural ventilation, a passive
technique to cool greenhouse air without energy consumption. An
important aspect of this method is to understand its performance according
to the external and internal environmental conditions. Tracer gas
techniques were used in one Mexican greenhouse to obtain empirical models
in order to relate ventilation rates – air volume that is being exchanged
in a period- with respect to measurable variables, such as air
temperature, wind speed, wind direction, solar radiation, among
others. Part of US-Mexico TIES program for international
collaboration.
Cooperators: Dr. Irineo Lopez Cruz, Chapingo
University, and Dr. Gene Giacomelli
In Progress 2004 –
2005 |
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