Evaluation of performance characteristics of a novel hydrogen-fuelled free-piston engine generator [dataset]

Smallbone, Andrew (Durham University, UK); Jia, Boru (Beijing Institute of Technology, China); Roskilly, Anthony Paul (Durham University, UK); Lawrence, Christopher (Durham University, UK); Ngwaka, Ugochukwu (Newcastle University, UK); KV, Shivaprasad (Durham University, UK); Towell, Ben (Newcastle University, UK); Roy, Sumit (Durham University, UK)

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Evaluation of performance characteristics of a novel hydrogen-fuelled free-piston engine generator [dataset] Open Access

In this work, we present the experimental results obtained from hydrogen fuelled spark-ignited dual piston free-piston engine generator (FPEG) prototype operated in two-stroke and four-stroke mode. The FPEG testing was successfully conducted at 3.7 compression ratio, engine speed between 5Hz and 11Hz and with different equivalence ratios. The FPEG technical details, experimental set-up and operational control are explained in detail. Performance indicators show that both equivalence ratio and engine speed affect the engine operation characteristics. For every set of specified FPEG parameters, appropriate range of equivalence ratio is recommended to prevent unwanted disturbance to electric generator operation. Both two-stroke and four-stroke cycle mode were tested, and the results showed different combustion characteristics with the two thermodynamic cycles. Four-stroke cycle mode could operate with indicated thermal efficiency gain up to 13.2% compared with the two-stroke cycle.

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Resource type: Dataset
Contributors: Ngwaka, Ugochukwu ¹
Creator: Smallbone, Andrew ²
Jia, Boru ³
Lawrence, Christopher ²
Towell, Ben ¹
Roy, Sumit ²
KV, Shivaprasad ²
Roskilly, Anthony Paul ²

¹ Newcastle University, UK
² Durham University, UK
³ Beijing Institute of Technology, China
Funder: Engineering and Physical Sciences Research Council
Research methods
Other description: MATLAB software is required to open the files.
Keyword: Free piston engine
Electric vehicle range-extender
Hydrogen
Hydrogen combustion
Thermodynamic description
NOx emissions
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Location
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Identifier: ark:/32150/r144558d30v
doi:10.15128/r144558d30v
Rights: Creative Commons Attribution 4.0 International (CC BY)
Publisher: Durham University
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Depositor: A.J. Smallbone
Date Uploaded: 9 March 2020, 11:03:31
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