Effect of Radiative Heat Transfer and Boundary Conditions on the Airflow and Temperature Distribution Inside a Heated Tunnel Greenhouse
S. Zeroual, S. Bougoul, H. Benmoussa
UniversitГ© de Batna 2, Batna, AlgГ©rie
Keywords: поток воздуха, температура, тепловое излучение, теплица, методы вычислительной гидродинамики, airflow, temperature, radiative heat transfer, tunnel greenhouse, CFD
Abstract
The airflow and temperature distribution in a heated tunnel greenhouse in the presence of a row of tomato plants owing to heat dissipation from heating pipes is numerically studied with the use of the Fluent-CFD software. The fully turbulent airflow in the greenhouse induced by buoyancy forces is modeled by using the κ-ε model. The radiative heat transfer is taken into account by using the model of discrete ordinates. Two types of boundary conditions expressing heat losses at the greenhouse cover are treated: pure convection and convection combined with thermal radiation.
|
