Waste heat recovery using a novel high performance low pressure turbine for electric turbocompounding in downsized gasoline engines: Experimental and computational analysis

A.M.I. Bin Mamat, R.F. Martinez-Botas, S. Rajoo, A. Romagnoli and S. Petrovic

Energy, 2015, vol. 90, issue P1, 218-234

Abstract: The development of a high performance LPT (Low Pressure Turbine) for turbocompounding applications in downsized gasoline engine is presented in this paper. The LPT was designed to fill the existing technology gap where no commercially available turbines can operate effectively at low-pressure ratios (1.05–1.3) to drive an electric generator with 1.0 kW power output. The newly designed LPT geometry was tested at Imperial College under steady-state conditions; a maximum total-to-static efficiency, ηt−s 75.8% at pressure ratio, PR ≈ 1.08 was found.

Keywords: Electric turbocompound; Turbogenerators; Exhaust gas energy recovery; Gasoline engine downsizing; Waste heat recovery (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:90:y:2015:i:p1:p:218-234

DOI: 10.1016/j.energy.2015.06.010

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