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The flue gas that is emitted by vehicles in a tunnel accumulates and cause serious pollution. A vehicle emits a large amount of flue gas as it moves. In particular emitted gaseous carbon monoxide (CO), can influence the driver drives in a long tunnel without their knowledge, affecting the safety of driving. Additionally, when a driver drives in a long tunnel, the dark and monotonous surroundings can...
With the acceleration of China's urbanization, living environment has become a major consideration of residents. Natural ventilation, as an important component of living environment, has therefore received more and more attention in the designing and building of residence. The paper introduces CFD technique to simulate flow field, and employs SIMPLE algorithm and QUICK difference scheme to conduct...
This paper describes the construction of a mathematical model to predict thermal environmental conditions in a developing roadway with auxiliary ventilation. A 3-dimensional turbulent flow model is used to simulate the airflow and the simultaneous transfer of heat and mass between the rock surfaces and the airflow in locally ventilated working places. A method is also developed to estimate the local...
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