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The Influence of Component Parameters on Cycle Characteristic in Rotating Detonation Gas Turbine by Zhitao Wang; Lei Qi; Shizheng Liu; Wenpeng Hong; Shucheng Wang is a Engineering article available to read on EtoBox.

What is The Influence of Component Parameters on Cycle Characteristic in Rotating Detonation Gas Turbine about?

A cycle calculation model of methane-air directly mixing rotating detonation gas turbine was built combining two-dimensional numerical simulations of rotating detonation combustor (RDC) with convergent inlet structure. Controlled variable method was used to investigate the cycle performance improvement for different component parameters compared with traditional gas turbine, and sensitivity analysis to gain the influence weight of component parameters was carried out. The results demonstrated that cycle efficiency increasing rates were all more than 11.5% in simulated conditions. With the decrease of compressor ratio, compressor efficiency, turbine efficiency and equivalence ratio of RDC, cycle net power increments were all in a downward trend, while cycle efficiency increment showed different variation trends especially when equivalence ratio of RDC and compressor pressure ratio decreased. Turbine efficiency was the most significant factor for cycle performance improvement and the influence of compressor efficiency had been stable. Compressor pressure ratio had different influence weights on cycle efficiency increment when above and below 8.00. Equivalence ratio of RDC had an oppo

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Author

Zhitao Wang; Lei Qi; Shizheng Liu; Wenpeng Hong; Shucheng Wang

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)