Abstract
It is essential to dilute and remove heat, gases and dusts at heading faces for improvement of the working conditions. For establishing effective measures for this, we have to make clear the air-flow patterns around the face, but so far there are few reports on this problem.From this point of view, the authors have measured the 3-dimensional air-flow vectors by an anemometer using ultrasonic waves in a real scale heading model, and performed the simulation based on k-e model with SIMPLER algorithm for the same condisions in the experiments.This paper shows the results of simulation coincide with that of the experiments and present simulation method can be successfully applied to estimate air-flow patterns in a heading face.
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