Abstract— This study is research of gas water heater cycling system with piping the heat transfer simulation analysis of water heater pipeline flow channel system the mold flow software of numerical calculation is FLUENT6.2 the geometric shape and computational grid for quarter bend, When the fluid passes through the shape changed flow field, under the effect of pressure distribution and geometric shape change of the flow field, there will be a recirculation zone. In the flow field of a quarter bend, To understand the structure of the flow field and flow field of temperature a analysis.
Keywords— Gas Water Heater Cycling System, Quarter Bend, Flow Field, Numerical Calculation.
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