With the success of generating shaft power in Wave Rotor Engines in axial configuration, the generation of shaft power during the decompression process in a single radial channel is investigated. With changing pressure ratio, an insight into the flow physics is investigated by evaluating losses using both the Computational Fluid Dynamic approach and the transient exergy technique. The destroyed exergy caused by irreversibilities during the decompression process is quantified globally and locally in flow-time, and also the power generated and the exergy that could be re-used subsequently for power generation. Results indicate that a great percentage of still useful exergy for power generation leaves the channel, and key possibilities are indicated for enhancing power generation.
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