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Title:Simuliranje prehodnih režimov delovanja motorja z notranjim zgorevanjem
Authors:Hribernik, Aleš (Author)
Files:URL http://www.dlib.si/details/URN:NBN:SI:doc-7ZXPO6RI
 
Language:Slovenian
Work type:Not categorized (r6)
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:V prispevku sta predstavljena nelinearni model enovaljnega dizelskega motorja za preračun prehodnih delovnih režimov motorja in napoved spremenljivega momenta in vrtilne frekvence motorja. Model je razvit iz modela za simuliranje termodinamčinega krožnega procesa motorja v ustaljenih razmerah, razširjen z modelom dinamike ročičnega mehanizma predstavlja motor kot nelinearni dinamični sistem. Spremenljiva vrtilna frekvenca motorja je rezultat reševanja enačbe dinamike zveze motor - breme, pri čemer je spremenljivi moment motorja določen v odvisnosti od lege (kota) ročične gredi. Model smo preverili z rezultati meritev enovaljnega dizelskega motorja. Primerjava računskih in izmerjenih vrtilnih frekvenc je pokazala zelo dobro ujemanje ponavljajočih se sprememb vrtilne frekvence in odziva motorja med naglim pospeševanjem.
Keywords:motorji z notranjim zgorevanjem, termodinamični modeli, dinamika motorjev, simulacija
Year of publishing:1999
Publisher:Association of Mechanical Engineers and Technicians of Slovenia et al.
Number of pages:str. 423-431
Numbering:Let. 45, št. 11
UDC:621.43:621.436
ISSN on article:0039-2480
COBISS_ID:5009430 New window
NUK URN:URN:SI:UM:DK:PMBUHXXD
Views:810
Downloads:25
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Categories:Misc.
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [et al.]
ISSN:0039-2480
COBISS.SI-ID:762116 New window

Secondary language

Language:English
Title:Simulation of the transient operation of an internal combustion engine
Abstract:A non-linear, transient, single-cyliner Diesel engine simulation has been developed to predict the instantaneous engine speed and torque. The basis of the model is a thermodynamic, steady state Diesel engine cycle simulation. The transient extension of the original model represents the Diesel engine as a non-linear dynamic system. The instantaneous crankshaft speed is determined from the solution of the engine -external load dynamic equation, where the engine torque is tracked on the crank-angle basis. Validation of the transient model during rapid engine acceleration shows that both the cyclic fluctuations in the instanttaneous engine speed line and the overall engine response are in good agreement with experimental measurements.
Keywords:internal combustion engines, thermodynamical models, engine dynamics, simulation


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