Improved Simulation of Transient Engine Operations at Unsteady Speed Com-bining 1-D and 3-D Modeling
Identifikátory výsledku
Kód výsledku v IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F09%3A00161278" target="_blank" >RIV/68407700:21220/09:00161278 - isvavai.cz</a>
Výsledek na webu
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DOI - Digital Object Identifier
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Alternativní jazyky
Jazyk výsledku
angličtina
Název v původním jazyce
Improved Simulation of Transient Engine Operations at Unsteady Speed Com-bining 1-D and 3-D Modeling
Popis výsledku v původním jazyce
The new simulation tool consists of an iterative loop of a 3-D code in parallel to a 1-D code that is employed to simulate transient engine cycles. The 1-D code yields the basic pattern of initial and boundary conditions and the 3 D simulations at several typical engine operating points are used to crosscheck the performance as well as aid in the model calibration. A flexible regression model of the fuel burn rate and the associated ROHR has been developed in conjunction with the 3-D simulations using acombination of three added Vibe functions. The emissions at the end of the expansion stroke are also predicted. The parameters of the Vibe functions and emissions are found via non-linear regression based on state parameters such as engine speed, relative A/F ratio, EGR/rest gas contents, injection timings, etc. This improved model has been used to study the speed-load response of a generator set driven by a medium-speed diesel engine.
Název v anglickém jazyce
Improved Simulation of Transient Engine Operations at Unsteady Speed Com-bining 1-D and 3-D Modeling
Popis výsledku anglicky
The new simulation tool consists of an iterative loop of a 3-D code in parallel to a 1-D code that is employed to simulate transient engine cycles. The 1-D code yields the basic pattern of initial and boundary conditions and the 3 D simulations at several typical engine operating points are used to crosscheck the performance as well as aid in the model calibration. A flexible regression model of the fuel burn rate and the associated ROHR has been developed in conjunction with the 3-D simulations using acombination of three added Vibe functions. The emissions at the end of the expansion stroke are also predicted. The parameters of the Vibe functions and emissions are found via non-linear regression based on state parameters such as engine speed, relative A/F ratio, EGR/rest gas contents, injection timings, etc. This improved model has been used to study the speed-load response of a generator set driven by a medium-speed diesel engine.
Klasifikace
Druh
C - Kapitola v odborné knize
CEP obor
JT - Pohon, motory a paliva
OECD FORD obor
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Návaznosti výsledku
Projekt
<a href="/cs/project/1M0568" target="_blank" >1M0568: Výzkumné centrum spalovacích motorů a automobilů Josefa Božka II</a><br>
Návaznosti
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Ostatní
Rok uplatnění
2009
Kód důvěrnosti údajů
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Údaje specifické pro druh výsledku
Název knihy nebo sborníku
Modeling of SI and Diesel Engines 2009
ISBN
978-0-7680-2152-3
Počet stran výsledku
16
Strana od-do
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Počet stran knihy
250
Název nakladatele
SAE International
Místo vydání
Warrendale, PA 15096
Kód UT WoS kapitoly
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