会议论文详细信息
International science and technology conference "Earth science"
Determination of Dependence of Equivalence Ratio on the Air Gap of the Medium Pressure Injection Gas Burner
Sviridov, I.E.^1 ; Shmatov, D.P.^1 ; Zubarev, K.V.^2
Department of Rocket Engine, Voronezh State Technical University, Moskovskiy prospect 14, Voronezh
394026, Russia^1
Department of Oil and Gas Engineering, Voronezh State Technical University, Moskovskiy prospect 14, Voronezh
394026, Russia^2
关键词: Air mixtures;    Axisymmetric;    Equivalence ratios;    FLUENT software;    Gas compressibilities;    Medium pressure;    Mixing chamber;    Thermoelectric generators;   
Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/272/3/032018/pdf
DOI  :  10.1088/1755-1315/272/3/032018
来源: IOP
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【 摘 要 】

In this work, a series of calculations of a complete premixing injection gas burner with various air gap widths with ANSYS Fluent software was performed. A natural gas fired injection gas burner is used as a heat source as a part of a thermoelectric generator. Assuming that the gas-air mixture flow is one-dimensional and axisymmetric, the issues were solved in axisymmetric setting, taking into account the gas compressibility. In the performance of a task, a set of assumptions was made: k-epsilon realizable model was picked as turbulence model with scalable wall functions; the flow in the ejector, mixing chamber and diffuser is subsonic; the pressure of the injected air was set to atmospheric pressure; pressure at the inlet to the gas burner is subcritical (≤ 86 kPa for methane). Based on the calculations represented above, the dependence of the equivalence ratio on the air gap width was determined.

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