نتایج جستجو برای: waste engine oil

تعداد نتایج: 284500  

2014
Oscar Lopez Victor Wong Victor W. Wong

Engine oil consumption is an important source of hydrocarbon and particulate emissions in modem automobile engines. Great efforts have been made by automotive manufacturers to minimize the impact of oil consumption on engine emissions. Research engineers in the last decade have been trying to study the sources and driving mechanism of oil consumption. In contrast to oil consumption mechanisms i...

Journal: :Journal of oleo science 2014
Fumihiko Ogata Yuko Tanaka Naohito Kawasaki

In this study, waste edible oil was prepared by both heat and aeration treatment, and the increasing inhibitive effect of tocopherol treatment on the acid value (AV) and carbonyl value (CV) of the oil was investigated. The AV and CV of waste edible oil treated with tocopherol were 0.1-1.0% lower than those of the nontreated oil, indicating that tocopherol exerted a radical-scavenging activity. ...

Journal: :international journal of advanced design and manufacturing technology 0
saeid javan mojtaba tahani mohammad javad khodaei

in this paper, the amount of wasted heat from different parts of a 12 liter compression ignition engine and their potential for waste heat recovery were investigated. then, two-stage configuration of organic rankine cycle was introduced for simultaneous heat recovery from exhaust gases and coolant. finally, parameters like hybrid generated power, engine thermal efficiency and brake specific fue...

2013
Prafulla D. Patil Veera Gnaneswar Gude Harvind K. Reddy Tapaswy Muppaneni Shuguang Deng

A comparative study of biodiesel production from waste cooking oil using sulfuric acid (Two-step) and microwaveassisted transesterification (One-step) was carried out. A two-step transesterification process was used to produce biodiesel (alkyl ester) from high free fatty acid (FFA) waste cooking oil. Microwave-assisted catalytic transesterification using BaO and KOH was evaluated for the effica...

A. M. Rashidi A. Nouralishahi E. Ettefaghi H. Ahmadi, S. S. Mohtasebi

In this research, nano materials with tubular structures are added to SAE 20W50 engine oil to study the rate of their effects on the properties of engine oil. Multi-walled carbon nanotubes (MWCNTs) and vanadium oxide nanotubes (VONTs) has been used as two different additive materials, one of them is carbonic and the other is metallic oxides and their effect on  different parameters contain...

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2015
h. chamani h. karimaei m. bahrami s. m. agha mirsalim

nowadays, due to the increasing power of diesel engines, especially heavy duty diesel engines, and increasing gas pressure inside the combustion chamber, the forces acting on the engine bearings have dramatically raised. on the other hand, becaus eof the competition in the market, it is necessary to increase the engine bearing life and reduce its failure as much as possible. the engine bearings...

Journal: :KMUTNB International Journal of Applied Science and Technology 2014

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