Numerical Study on Knock for an SI Engine by Thermally Coupling Combustion Chamber and Cooling Circuit Simulations

Kleemann, Andreas; Ménégazzi, Pascal; Henriot, S.; Marchal, Alexandre

doi:10.4271/2003-01-0563

Cited by 27 publications

(11 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…al. [4] and several other studies [5,6,7,8] demonstrated correlation between the predicted wall temperatures and test data using the decoupled approach.…”

Section: Introductionmentioning

confidence: 81%

See 1 more Smart Citation

Thermal Map of an IC Engine via Conjugate Heat Transfer: Validation and Test Data Correlation

Iqbal¹,

Arora²,

Sanka

2014

SAE Int. J. Engines

View full text Add to dashboard Cite

Accurate numerical prediction of an engine thermal map at a wide range of engine operating conditions can help tune engine performance parameters at an early development stage. This study documents the correlation of an engine thermal simulation using the conjugate heat transfer (CHT) methodology with thermocouple data from an engine operating in a dynamometer and a vehicle drive cell. Three different operating conditions are matched with the simulation data. Temperatures predicted by simulation at specific sections, both at the intake and the exhaust sides of the engine are compared with the measured temperatures in the same location on the operating engine.

show abstract

“…al. [4] and several other studies [5,6,7,8] demonstrated correlation between the predicted wall temperatures and test data using the decoupled approach.…”

Section: Introductionmentioning

confidence: 81%

“…The governing equation for energy transport in a solid is given as follows: (4) where ρ is the solid density, C p is the specific heat, T is the temperature, q″ is the heat flux vector, and v s is the solid convective velocity (only applicable when the region is a pure body of rotation).…”

Section: Computational Modelmentioning

confidence: 99%

Thermal Map of an IC Engine via Conjugate Heat Transfer: Validation and Test Data Correlation

Iqbal¹,

Arora²,

Sanka

2014

SAE Int. J. Engines

View full text Add to dashboard Cite

show abstract

“…Such auto-ignition models have already been reported for knock appearance detection [12][13][14] but the application range of these models is limited to this particular phenomenon.…”

Section: Development Through Combined Simulation and Experimentsmentioning

confidence: 99%

Latest Developments in Gasoline Auto-Ignition Modelling Applied to an Optical CAI (Tm) Engine

Knop

Jay

2006

Oil & Gas Science and Technology - Rev. IFP

View full text Add to dashboard Cite

Résumé -Derniers développements en matière de modélisation de l'auto-inflammation essence appliqués à un moteur optique utilisant la combustion CAI™ -La prédictivité de la simulation d'un moteur fonctionnant en mode de combustion à allumage par compression dépend fortement de la qualité de la description du phénomène d'auto-inflammation. L'auto-inflammation contrôlée d'un mélange carburé à base d'essence (CAI™ pour Controlled Auto-Ignition) nécessite la prise en compte des spécificités chimiques du carburant dans des conditions de fonctionnement caractérisées par des basses températures et de faibles richesses. Les modèles existants, utilisant des corrélations, ne permettent pas de couvrir l'ensemble de ces situations ni la prise en compte d'hétérogénéités locales responsables du développement des sites d'auto-inflammation. Ce papier décrit un nouveau modèle d'auto-inflammation basé sur l'exploitation de résultats de calculs de chimie complexe, opérés pour un large éventail d'indices d'octane et de taux de dilution par les gaz brû-lés. Sur base des conditions thermodynamiques locales, la description du phénomène d'auto-inflammation est réalisée par interpolation dans une base de données regroupant la description des effets de flammes froides et celle de l'évolution de la combustion pour des carburants de référence (PRF pour Primary Reference Fuel). La validation de ce modèle est opérée en comparant les résultats de simulation 3D à ceux de calculs de chimie complexe pour des configurations homogènes ou des machines à compression rapide. Un point de fonctionnement de référence, réalisé sur moteur à accès optique, est simulé afin de mettre en évidence les processus thermiques et chimiques responsables de l'apparition de l'auto-inflammation en combustion CAI™. Les résultats expérimentaux sont exploités pour évaluer la prédictivité du modèle en termes de valeurs moyennes, comme la pression cylindre, mais également pour les taux de réaction volumiques locaux comparés avec les visualisations directes de la lumière émise par les zones de combustion. Abstract -Latest Developments in Gasoline Auto

show abstract

“…The heat flux history is then used as a transient=cycle-averaged 3-D thermal boundary condition for the solution of the metal components temperature using a separate heat conduction program. The newly updated wall temperature is reused to update the gas-phase solution, and the whole procedure becomes a very tedious iteration [8]. that the above approach uncouples the gas phase from the solid phase.…”

Section: Introductionmentioning

confidence: 99%

“…Related research in the field of IC engine heat transfer has been reported in the past [6][7][8]. An important key difference lies in the method of treating heat transfer at the gas-solid interface.…”

Section: Introductionmentioning

confidence: 99%

Modeling IC Engine Conjugate Heat Transfer Using the KIVA Code

Urip¹,

Liew²,

Yang³

2007

Numerical Heat Transfer, Part A: Applications

View full text Add to dashboard Cite

Locating hotspots in metal engine components can be used as an impetus to design a better cooling system. This study focuses on a numerical investigation of a three-dimensional (3-D) transient heat transfer process for a Ford 5.4-L V8 engine. A 3-D transient finitevolume method to solve the heat conduction equation is presented first. This is followed by the implementation of the coupling equations at the gas-solid interface into the KIVA code. The numerical model is validated by a one-dimensional heat conduction problem. Finally, 3-D simulation of the Ford engine with conjugate heat transfer mode is presented and discussed.

show abstract

Numerical Study on Knock for an SI Engine by Thermally Coupling Combustion Chamber and Cooling Circuit Simulations

Cited by 27 publications

References 9 publications

Thermal Map of an IC Engine via Conjugate Heat Transfer: Validation and Test Data Correlation

Thermal Map of an IC Engine via Conjugate Heat Transfer: Validation and Test Data Correlation

Latest Developments in Gasoline Auto-Ignition Modelling Applied to an Optical CAI (Tm) Engine

Modeling IC Engine Conjugate Heat Transfer Using the KIVA Code

Contact Info

Product

Resources

About