SAE Technical Paper Series 1999
DOI: 10.4271/1999-01-1244
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Cold Start Equipment for Diesel Direct Injection Engines

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Cited by 51 publications
(30 citation statements)
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“…Moreover, the reduction of temperature and pressure at TDC with reduced CR tends to increase ignition delay [12], so as to be not compatible with the starting operation and to require further starting aid equipment (higher temperature and fast-response glow plug, etc.) [13], as we can see below.…”
Section: Blow-bysupporting
confidence: 53%
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“…Moreover, the reduction of temperature and pressure at TDC with reduced CR tends to increase ignition delay [12], so as to be not compatible with the starting operation and to require further starting aid equipment (higher temperature and fast-response glow plug, etc.) [13], as we can see below.…”
Section: Blow-bysupporting
confidence: 53%
“…In this part of the paper various ways of impacting the start ability of a low CR Diesel engine in cold ambient conditions are described [13,16]: -preglowing duration (and subsequently glow plug temperature); -Nozzle Tip Protrusion (NTP); -injector spray orientation; -injector spray angle; -cranking speed.…”
Section: Ways To Improve Cold Start Operationmentioning
confidence: 99%
“…Such conditions lead to a very poor fuel air mixing process which, in addition to the poor vaporization, can inhibit fuel ignition under this particular and strongly transient engine situation provoking unburnt hydrocarbon emissions ( [1]). In order to promote ignition, air temperature within the combustion chamber is increased by means of ignition aids, as intake heaters or glow plugs [2,3]. For current automobile diesel engines these aids become necessary for temperatures below −11…”
Section: Introductionmentioning
confidence: 99%
“…Point estimati facilitates assessing E(T j ) as the arithmetic mean of realisations ) (m j t [10,11]. [2,15,21,22], the emission of sulphur compoun hydrocarbons (C n H m ), carbon oxide (CO), and nitrogen oxides (NO x ) in the exh much higher when the engine is in state s 2 than in state s 1 .…”
Section: Fig 10 Sample Realisation Of the Engine Operation Process mentioning
confidence: 99%