Analysis of the Effect of Variation Air Temperature on Injection Gas Burner of the Thermoelectric Generator

ILIA SVIRIDOV, ALEKSEY IGNATOV, KONSTANTIN KRYZHAEV, IGOR PEREVEZENCEV, DMITRIY SHMATOV

Abstract


In this work, simulation of a premixing injection gas burner with various air temperatures with ANSYS Fluent software was performed. A natural gas fired injection gas burner was 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, the dependence of the equivalence ratio on the air temperature was determined. Experimental researches helped develop a gas burner


DOI
10.12783/dteees/tpcase2018/30424

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