An Internal Combustion Engine for the Future

By Ernest Rogers.

Published by The Technology Collection

Format Price
Article: Print $US10.00
Article: Electronic $US5.00

Eighty percent of energy used world-wide begins as heat from fossil fuels which are rapidly being depleted. Heat engines that use much of this energy must be more efficient in the future. An Atkinson-Diesel (A-D) cycle is proposed. The A-D engine will cause less environmental harm while also using less energy. It combines three key elements—(1) an Atkinson-Diesel cycle with high intrinsic thermodynamic efficiency, (2) two-stroke operation to minimize losses, and (3) a long-stroke, high-compression geometry. The efficiency of the ideal Atkinson-Diesel cycle is presented and shown to correlate well with a modified air-standard analysis for a compact, high-compression A-D engine. The engine's compression ratio of 35 enables low emissions through a combination of lean-burn, exhaust retention, and fuel selection. The A-D engine can use many kinds of clean-burning and renewable fuels and is calculated to have a brake efficiency near 60%. Conversion to this engine has the potential to save 17 million barrels of oil per day, or 20% of world oil consumption.

Keywords: Engine, Efficiency, Diesel, Atkinson, Emissions, Renewable, Lean Burn, NOx

The International Journal of Technology, Knowledge and Society, Volume 6, Issue 5, pp.87-96. Article: Print (Spiral Bound). Article: Electronic (PDF File; 670.660KB).

Ernest Rogers

Pleasant Grove Products Research Div., Pleasant Grove, Utah, USA

Current research in thermodynamics and alternative energy. Prior work in space sciences and engineering, biofuels, centrifuge design for oil spill clean-up, low-temperature chemistry, and vehicle efficiency. Primary interest is in finding solutions for current global problems related to energy and the environment.

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