NOx reduction of biodiesel engine using pongamia ester with oleic acid and optimization of operating conditions using particle swarm optimization

被引：13

作者：

Mohan, Sooraj ^{[1
]}

Dinesha, P. ^{[1
]}

Bekal, Sudesh ^{[2
]}

机构：

[1] Manipal Inst Technol, Manipal Acad Higher Educ, Dept Mech & Mfg Engn, Manipal 576104, India

[2] N M M Inst Technol Visvesvaraya Technol Univ, Dept Mech Engn, Belagavi, Nitte 574110, India

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2021年 / 46卷 / 52期

关键词：

Biodiesel; Hydrogen carrier; NOx; Oleic acid; Optimization; PSO; INJECTION DIESEL-ENGINE; METHYL-ESTER; CI ENGINE; EMISSION CHARACTERISTICS; MULTIOBJECTIVE OPTIMIZATION; ETHYL-ESTERS; DUAL FUEL; PERFORMANCE; HYDROGEN; COMBUSTION;

D O I：

10.1016/j.ijhydene.2021.05.124

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Biodiesel is comprised of 36-75% oleic fatty acid (OA) that has the molecular formula, C18H34O2 and is an excellent carrier of hydrogen and oxygen. OA has proven to have a positive effect in curbing NOx from biodiesel combustion. In this work, the effect of varying concentrations of OA in Pongamia ester is studied on a compression ignition engine that is again varied at different loads and compression ratios. Design of experiments is carried out with brake thermal efficiency and NOx emissions as responses. Regression equations for these responses are developed and optimized using multi-objective particle swarm optimization (MOPSO). It is found that the best operating regime for maximum efficiency and minimum NOx is by adding 10% OA, with a compression ratio of 17.5 running at an engineload of 81%. Experimental validation of the prediction made by the optimization model is also carried out. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：26665 / 26676

页数：12

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