Effect of radiative heat transfer and boundary conditions on the airflow and temperature distribution inside a heated tunnel greenhouse

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 $k-\varepsilon$ 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.