Performance and Combustion Characteristics Analysis of Multi-Cylinder CI Engine Using Essential Oil Blends

被引：22

作者：

Rahman, S. M. Ashrafur ^{[1
]}

Nabi, Md. Nurun ^{[2
]}

Thuy Chu Van ^{[1
,3
]}

Suara, Kabir ^{[4
]}

Jafari, Mohammad ^{[1
,5
]}

Dowell, Ashley ^{[6
]}

Islam, Md. Aminul ^{[1
]}

Marchese, Anthony J. ^{[7
]}

Tryner, Jessica ^{[7
]}

Hossain, Md. Farhad ^{[1
]}

Rainey, Thomas J. ^{[1
]}

Ristovski, Zoran D. ^{[1
,5
]}

Brown, Richard J. ^{[1
]}

机构：

[1] Queensland Univ Technol, Biofuel Engine Res Facil, 2 George St, Brisbane, Qld 4000, Australia

[2] Cent Queensland Univ, Sch Engn & Technol, Perth, WA 6000, Australia

[3] Vietnam Maritime Univ, Dept Marine Engn, 484 Lach Tray St, Hai Phong City 180000, Vietnam

[4] Queensland Univ Technol, Environm Fluid Mech Grp, 2 George St, Brisbane, Qld 4000, Australia

[5] Queensland Univ Technol, Int Lab Air Qual & Hlth, 2 George St, Brisbane, Qld 4000, Australia

[6] Southern Cross Univ, Southern Cross Plant Sci, POB 157, Lismore, NSW 2480, Australia

[7] Colorado State Univ, Dept Mech Engn, Ft Collins, CO 80523 USA

来源：

ENERGIES | 2018年 / 11卷 / 04期

关键词：

essential oil; engine performance; combustion characteristics; compression ignition engine; DIESEL-ENGINE; IGNITION ENGINE; EMISSION; FUEL; REDUCTION; ADDITIVES;

D O I：

10.3390/en11040738

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Essential oils are derived from not-fatty parts of plants and are mostly used in aromatherapy, as well as cosmetics and perfume production. The essential oils market is growing rapidly due to their claimed health benefits. However, because only therapeutic grade oil is required in the medicinal sector, there is a substantial low-value waste stream of essential oils that can be used in the transportation and agricultural sectors. This study investigated the influence of orange, eucalyptus, and tea tree oil on engine performance and combustion characteristics of a multi-cylinder compression ignition engine. Orange, eucalyptus, and tea tree oil were blended with diesel at 10% by volume. For benchmarking, neat diesel and 10% waste cooking biodiesel-diesel blend were also tested. The selected fuels were used to conduct engine test runs with a constant engine speed (1500 RPM (revolutions per minute)) at four loads. As the load increased, frictional power losses decreased for all of the fuel samples and thus mechanical efficiency increased. At higher loads (75% and 100%), only orange oil-diesel blends produced comparable power to diesel and waste cooking biodiesel-diesel blends. Fuel consumption (brake and indicated) for the essential oil-diesel blends was higher when compared to base diesel and waste cooking biodiesel-diesel blends. Thermal efficiency for the essential oil-diesel blends was comparable to base diesel and waste cooking biodiesel-diesel blends. At higher loads, blow-by was lower for essential oil blends as compared to base diesel and waste cooking biodiesel-diesel blends. At 50% and 100% load, peak pressure was lower for all of the essential oil-diesel blends when compared to base diesel and waste cooking biodiesel-diesel blends. From the heat release rate curve, the essential oil-diesel blends ignition delay times were longer because the oils have lower cetane values. Overall, the low-value streams of these essential oils were found to be suitable for use in diesel engines at 10% blends by agricultural producers of these oils.

引用

页数：15

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