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Low-emission, High-performance Engine For Future Hybrids

Date:
September 17, 2008
Source:
American Chemical Society
Summary:
In an advance toward introduction of an amazing new kind of internal combustion engine, researchers in China are reporting development and use of a new and more accurate computer model to assess performance of the so-called free-piston linear alternator (FPLA).

A cross-sectional view of the FPLA.
Credit: Qingfeng Li

In an advance toward introduction of an amazing new kind of internal combustion engine, researchers in China are reporting development and use of a new and more accurate computer model to assess performance of the so-called free-piston linear alternator (FPLA).

Their study of the FPLA, which could provide a low-emission, fuel efficient engine for future hybrid electric vehicles, is scheduled for the Sept. 17 issue of ACS' Energy & Fuels, a bi-monthly journal.

Qingfeng Li and colleagues point out that the FPLA has only one moving part and is an engine designed to generate electricity. In the device, a piston in a cylinder shuttles between two combustion chambers. Permanent magnets on the piston generate electricity by passing through the coils of an alternator centered on the cylinder. The engine can burn a variety of fuels, including natural gas and hydrogen, and seems ideal use in a future world of climate change and possible fossil fuel shortages, they suggest.

Their report describes development of a better computer model to evaluate performance of the FPLA and guide engineers in construction of the engine. Results of their initial simulations showed that the FPLA could accelerate three times faster than other internal combustion engines and burns fuel in ways that minimize air pollution. "It is an environmentally friendly power source for the future," the report concludes.


Story Source:

The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal Reference:

  1. Li, Qingfeng, Xiao, Jin, and Huang, Zhen. Simulation of a Two-Stroke Free-Piston Engine for Electrical Power Generation. Energy Fuels, 2008; DOI: 10.1021/ef800217k

Cite This Page:

American Chemical Society. "Low-emission, High-performance Engine For Future Hybrids." ScienceDaily. ScienceDaily, 17 September 2008. <www.sciencedaily.com/releases/2008/09/080915164550.htm>.
American Chemical Society. (2008, September 17). Low-emission, High-performance Engine For Future Hybrids. ScienceDaily. Retrieved October 22, 2014 from www.sciencedaily.com/releases/2008/09/080915164550.htm
American Chemical Society. "Low-emission, High-performance Engine For Future Hybrids." ScienceDaily. www.sciencedaily.com/releases/2008/09/080915164550.htm (accessed October 22, 2014).

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