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Fuel mass flow variation in direct injection diesel engine – influence on the change of the main engine operating parameters

Vedran Mrzljak orcid id ; Sveučilište u Rijeci, Tehnički fakultet Rijeka, Rijeka, Hrvatska
Božica Žarković ; Sveučilište u Rijeci, Tehnički fakultet Rijeka, Rijeka, Hrvatska
Igor Poljak orcid id ; Kostrena, Hrvatska

Puni tekst: engleski pdf 2.590 Kb

str. 119-127

preuzimanja: 3.882



A change in the main operating parameters of a high speed turbocharged direct injection diesel engine MAN D0826 LOH15 during the fuel mass flow variation has been analyzed. On the basis of two measurement sets, on two different engine rotational speeds, performed with standard diesel fuel, several operating parameters have been calculated: engine torque, effective power, excess air ratio, specific effective fuel consumption and heat released per engine process. The calculated parameters are presented for a wide engine operating range. In addition to measurement sets, several important parameters have been measured. Additional measured parameters have been lubrication oil temperature and exhaust gas temperature before and after the turbocharger turbine. The presented engine operating parameters allow deep insight into the analyzed diesel engine process.

Ključne riječi

Diesel engine, Fuel mass flow variation, Experimental analysis, Operating parameters

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