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- W2977982004 abstract "Much testing research has been funded over the recent years to understand the risks associated with the leakage of combustible refrigerants into confined spaces. The push for more environmentally friendly refrigerants has increased the risk of fire due to the combustibility of this new class of refrigerants. However, the challenge is that a thorough risk assessment would require the understanding of many different scenarios, a very economically expensive endeavor when data is generated by only physical. So, in this paper, we will cover the capabilities of three common (CFD) computational fluid dynamics tools, two freeware and one commercial, to help simulate the gas leakage of refrigerants into confined spaces. The three CFD tools that were selected were Fire Dynamics Simulator (FDS), FLUENT (ANSYS) and OpenFOAM (ESI). We created models for the R32 refrigerant leakage in an ISO 9705 room scenario where testing data was available. Test parameters include inlet location within the room and flow rate of the leaking gas. It is assumed that the refrigerant enters the room in gaseous form and remains in that state throughout the test. For some of the CFD tools, there are many different physics and parameter options. We will present the key physics (turbulence and diffusion sub-models) necessary for the modeling of gaseous refrigerant leakage and compare model results with those from the test conducted in an ISO room." @default.
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- W2977982004 date "2019-10-04" @default.
- W2977982004 modified "2023-09-24" @default.
- W2977982004 title "Refrigerant Gas Leakage in ISO Room: A Comparative CFD Study" @default.
- W2977982004 cites W2111182050 @default.
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- W2977982004 doi "https://doi.org/10.1007/978-981-13-8468-4_13" @default.
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