spark-ignition engine

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spark-ignition engine

[′spärk ig¦nish·ən ‚en·jən]
(mechanical engineering)
An internal combustion engine in which an electrical discharge ignites the explosive mixture of fuel and air.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

spark-ignition engine

A form of reciprocating engine in which the fuel-air mixture in the cylinder is ignited by an electric spark. This occurs when the piston is in the correct position during the compression stroke.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
As emissions and fuel economy are collectively influenced by the engine combustion system design, spark-ignition engines have been covered in multiple regulatory frameworks across global regions.
Their topics include compression-ignition and spark-ignition engines, on-board diagnostics and vehicle control modules, diagnosing with an oscilloscope, electronic fuel-injection output devices, and supercharging and turbocharging.
Chai, 2012" A Computer-Based Air-Fuel Model for Analyzing the Performance of Spark-Ignition Internal Combustion Engines." International Conference on MechanicalAutomobile and Robotics Engineering Penang.
The model is equipped with an inline three-cylinder spark-ignition engine with gasoline direct injection, exhaust turbocharger with indirect intercooler, four valves per cylinder and a double overhead camshaft.
The reality of trying to burn Jet A--essentially a high-quality kerosene--in a spark-ignition piston engine was detailed in a March 1988 NASA technical paper:
Through advanced high pressure diesel ignition technology--using trace amounts of diesel to ignite the natural gas--Volvo's LNG engine will deliver a 30 percent fuel efficiency improvement compared with spark-ignition (SI) engines, making it a viable alternative for demanding long-haul applications.
The report addresses such matters as fundamentals of fuel consumption, spark-ignition gasoline engines, hybrid power trains, non-engine technologies, and applying vehicle technologies to vehicle classes.
When excessive, diesel knock results in the propagation of high amplitude pressure waves at frequencies governed by combustion chamber resonance and as is the case with spark-ignition knock, can be extremely detrimental to engine life [2, 3].
Dr Tom Shenton, Reader in Engineering at the University, said: "The key to reducing emissions in the spark-ignition engine is improved control and for the last one hundred years the primary means of ignition control has been the spark plug.