4fb9d08492 Those 7 aspects are engine speed, cycle efficiency, fuel used, time of knocking, cycle operation, pressure generated and constant parameter during cycle.S.noAspectSpark Ignition EngineCompression Ignition Engine1Engine speedSI engines are high speed engines.CI engines are low speed engines.2Cycle efficiencySI engines have low thermal efficiencyCI engines have high thermal efficiency.3Fuel usedPetrol is used as fuel, which has high self ignition temperature.Diesel is used as fuel, it has low self ignition temperature.4Time of knockingKnocking takes place at the end of combustion.Knocking takes place at the beginning of combustion.5Cycle operationSI engine works on otto cycle.CI engine works on diesel cycle.6Pressure generatedHomogeneous mixture of fuel, hence high pressure is generated.Heterogeneous mixture of fuel, hence low pressure is generated.7Constant parameter during cycleConstant volume cycle.Constant pressure cycle.EngineRelated Articles & Comments Last updated 2 months agoFactors that Effect Ignition Delay in Diesel Engine 3 Last updated 3 months agoPerformance of the Diesel Engine 0 Last updated 7 months agoAir-cooling System in Reciprocating Engine 0 Last updated 7 months agoFactors Influence CI Engine cycle 0 Last updated 7 months agoFuels Rating for SI and CI Engines 0 Last updated 7 months agoComparison between Petrol and Diesel Engines 2 Last updated 10 months agoWhy Apply Lubrication to Engine Parts ? 1 Last updated 11 months agoInternal Combustion Engines: Introduction and Classification 4very good hossain Apr 10, 2016 12:39 am Replythanks it was awesome sayed pazhwak Apr 11, 2016 10:35 am ReplyNice one Ekundayp Sheriff Jul 25, 2016 12:17 am ReplyI find this Information Useful i really appreciate it Chindo Benjamin Jul 28, 2016 1:34 pm Replygoods answer grijesh chauhan Aug 29, 2016 5:14 pm ReplyLeave a Reply Cancel reply NewsletterSubscribe to our newsletter and receive notifications of new posts every week. HomeAbout UsTopic IndexTag IndexContributeContact Upload. Email * Advertisement TopicsAutomotive Engineering Materials Fluid Mechanics Heat Transfer Hydraulic Machines Industrial Engineering Informative Machine Design Manufacturing Physics Power Plant Engineering Strength of Materials Technology Theory of Machines Thermodynamics . .. Differences Between SI Engine and CI Engine Last updated: Aug 4, 2015in Automotiveby ME Mechanical TeamSpark Ignition (SI) engine can be compared with Compression Ignition (CI) engine system in 7 aspects. HomeAbout UsTopic IndexTag IndexContributeContact . HomeAbout UsTopic IndexTag IndexSubmit Guest PostPrivacy PolicyContact Copyright 2016 ME Mechanical
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