Performance and Emission analysis of optimal DEE blended Pongamia pinnata L. biodiesel fuelled to EGR coupled Low Heat Rejection (LHR) Diesel Engine

International Conference on Mechanical, Materials and Renewable Energy

机械制造;材料科学;能源学

Vamsi Krishna, K.^1 ; Sastry, G.R.K.^1 ; Murali Krishna, M.V.S.^2 ; Jibitesh Kumar, P.^3

Mechanical Engineering Department, NIT Agartala, Tripura state, India^1

Department of Mechanical Engineering, CBIT, Telangana state, Hyderabad, India^2

Production Engineering Department, NIT Agartala, Tripura state, India^3

关键词: Brake thermal efficiency;    Engine thermal efficiency;    Exhaust gas recirculation (EGR);    Low heat rejection;    Optimum configurations;    Particulate Matter;    Performance and emissions;    Specific energy consumption;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/377/1/012164/pdf
DOI  :  10.1088/1757-899X/377/1/012164

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

To enhance the engine thermal efficiency and simultaneous decrease of emissions, an experimentation was done with 10% constant rate of exhaust gas recirculation (EGR) coupled low heat rejection (LHR) diesel engine developed via 8 YSZ (8% mol. yttria-stabilized zirconia) ceramic material coated cylinder head and liner fuelled by optimal blend B85A15 by vol. (Karanja based biodiesel 85% + additive diethyl ether 15%). Experiments were carried out on the regular engine (RE) and LHR engine fuelled by test fuels (diesel and blend B85A15) at different loads (0%, 20%, 40%, 60%, 80% and 100%) and Injection timings (30° BTDC to 34° BTDC). From the results, it was found that advancement of injection timing significantly improved all the investigated parameters except NOx for both the engines and in comparison the optimum results were 6.5% enhancement in brake thermal efficiency (BTE) with the reduction of 4.5% in brake specific energy consumption (BSEC), 44% in particulate matter density and 18.5% in NOx emissions found for LHR engine fuelled by B85A15 at 33° BTDC with an 80% load compared to RE with diesel. The optimum configuration of RE found to be diesel fuel at injection timing 31° BTDC with 80% load.