ملخص
Abstract
Using the ground to produce condensate water for drinking and irrigation is A new application. This study simulates numerically the use of humid air flow in a buried pipe in the ground to obtain fresh water. The temperature difference between the humid air and the environment (ground) is exploited in this condensation process. The finite difference method is employed with pressure Correction method on staggered grid to simulate the flow of humid air through Buried pipes. The condensation occurs due to the decrease of the humid air Temperature below the dew point, as a result of the heat exchange between the humid air and the ground. The amount of condensation depends upon the flow Velocity, absolute humidity, Relative humidity and pipe geometry. For a selected pipe geometry of 22m long, and 0.2m diameter, the amount of condensation is about 26 kg/hr (0.006944kg/s). The results of the current study are in agreement to within ±10% of the results given by Jenney Lindblom.