COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE

ABAY, K.; YÜKSEK, L.; ÇOLAK, Ü.

COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE

K. ABAY, (Ar-Ge Departmanı, Türk Traktör ve CNH, Ankara, Türkiye)

Ü. ÇOLAK, (İstanbul Teknik Üniversitesi, Enerji Enstitüsü, İstanbul, Türkiye)

L. YÜKSEK (Yıldız Teknik Üniversitesi, Makine Mühendisliği Bölümü, İstanbul, Türkiye)

Journal of Thermal Engineering

13 1

Yıl: 2018 Cilt: 4 Sayı: 2 Sayfa Aralığı: 1878 - 1895 Metin Dili: İngilizce İndeks Tarihi: 09-08-2019

COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE

Öz:

Efficient usage of fossil fuels and reduction of CO 2 emissions are very important priorities for the automotiveindustry. Without increasing contributions from diesel engines and newer diesel technologies, it would not bepossible to successfully meet fuel consumption and CO 2 emission reduction targets. Therefore, new regulationsand applications have been put into action to address exhaust gas emission problems. Some exhaust gases havebecome prominent with regard to strong effects, such as NO x and soot. NO x contributes to acid rain, which hasdeteriorating effects on the ozone layer. In this study, flow and combustion characteristics of a diesel engine areinvestigated by using Computational Fluid Dynamics (CFD). Whole engine components are modeled and analysesare performed for entire speed range of the engine. Calculated crank angle dependent pressure and temperaturevalues are used as boundary condition for reactive 3D CFD simulations. Reactive CFD simulations are performedwith 45° sector geometry for the period that both valves are closed. In reactive simulations, RNG k-ε and Standardk- ε models are used to characterize turbulence flow field. A lagrangian approach is used for two-phase flowcomputations to simulate the liquid fuel injection. Commercially available CFD code called Forte Reaction Designand its sub-module Chemkin are used for three dimensional reactive simulations, moving grid generation andproblem setup. Predicted in-cylinder pressure and apparent heat release rate are validated with experimentalresults. NO x and Soot formations as a result of combustion process are also investigated. Optimum level of NO xand Soot formation obtained with 8.5% EGR usage.

Anahtar Kelime:

Konular: Fizik, Uygulamalı

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	ABAY K, ÇOLAK Ü, YÜKSEK L (2018). COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE. , 1878 - 1895.
Chicago	ABAY K.,ÇOLAK Ü.,YÜKSEK L. COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE. (2018): 1878 - 1895.
MLA	ABAY K.,ÇOLAK Ü.,YÜKSEK L. COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE. , 2018, ss.1878 - 1895.
AMA	ABAY K,ÇOLAK Ü,YÜKSEK L COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE. . 2018; 1878 - 1895.
Vancouver	ABAY K,ÇOLAK Ü,YÜKSEK L COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE. . 2018; 1878 - 1895.
IEEE	ABAY K,ÇOLAK Ü,YÜKSEK L "COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE." , ss.1878 - 1895, 2018.
ISNAD	ABAY, K. vd. "COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE". (2018), 1878-1895.

APA	ABAY K, ÇOLAK Ü, YÜKSEK L (2018). COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE. Journal of Thermal Engineering, 4(2), 1878 - 1895.
Chicago	ABAY K.,ÇOLAK Ü.,YÜKSEK L. COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE. Journal of Thermal Engineering 4, no.2 (2018): 1878 - 1895.
MLA	ABAY K.,ÇOLAK Ü.,YÜKSEK L. COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE. Journal of Thermal Engineering, vol.4, no.2, 2018, ss.1878 - 1895.
AMA	ABAY K,ÇOLAK Ü,YÜKSEK L COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE. Journal of Thermal Engineering. 2018; 4(2): 1878 - 1895.
Vancouver	ABAY K,ÇOLAK Ü,YÜKSEK L COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE. Journal of Thermal Engineering. 2018; 4(2): 1878 - 1895.
IEEE	ABAY K,ÇOLAK Ü,YÜKSEK L "COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE." Journal of Thermal Engineering, 4, ss.1878 - 1895, 2018.
ISNAD	ABAY, K. vd. "COMPUTATIONAL FLUID DYNAMICS ANALYSIS OF FLOW AND COMBUSTION OF A DIESEL ENGINE". Journal of Thermal Engineering 4/2 (2018), 1878-1895.