Numerical simulation of detailed airflow distribution in newly developed photosynthesis chamber
Moliya Nurmalisa1*, Takayuki Tokairin1, Kotaro Takayama2, and Takanobu Inoue1

Architecture and Civil Engineering Department, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi 441-8580, Japan.
2 Electronics - Inspired Interdisciplinary Research Institute (EIIRIS), Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-cho, Toyohashi, Aichi
441 - 8580, Japan.

Abstract

Predictive numerical simulation about the uniformity of airflow in canopy plants could provide a suitable environment for plant growth. A numerical investigation of airflow in a photosynthesis chamber was conducted using a CFD model. This research was designed to conduct a validation of the numerical model with measurement performed in an empty bottom opened chamber. The chamber has bottom openings and three exhaust fans are set on the roof. After model validation, airflow pattern and its uniformity were evaluated in the case of 1) different fan arrangement and 2) doubled air volume rate. Obtained results showed that increasing the air volume rate of the fans and changing fan positions to middle and diagonal positions significantly affect the uniformity of air velocity distribution in the canopy plant.

Keywords: CFD model, Airflow, Air distribution

Topic: Environmental Science, Technology, and Education