Results 21 to 30 of about 159,584 (286)

Low-Temperature Rheology and Thermoanalytical Investigation of Lubricating Oils: Comparison of Phase Transition, Viscosity, and Pour Point

open access: yesLubricants, 2021
According to the ASTM D97, the pour point is the temperature below which petroleum products cease to flow. To evaluate the relevance of pour point measurements for synthetic lubricating oils, we investigated the crystallization, melting temperature and ...
Andreas Conrad   +4 more
doaj   +1 more source

Characterization of Non-Edible Oil for Development of Stable Industrial Lubricant [PDF]

open access: yesE3S Web of Conferences, 2023
Lubricant derived from Mineral oil are not renewable, detrimental to health, and fluctuating in price. As a result, vegetable based oils are regarded as best substitute of mineral oil in the manufacturing of lubricants. It has become vital to do analysis
Gahir Gurmeet Singh   +1 more
doaj   +1 more source

Effects of biological control on biodiversity of insects in citrus orchards of Babolsar, Mazandaran Province, Iran [PDF]

open access: yesArthropods, 2021
In this research, insect populations in citrus orchards of Hadishahr, Babolsar, Mazandaran Province, Iran, under different pest managements for two seasons (summer and autumn) from late June to late December 2017 were evaluated by installation of sticky ...
Sahar Sorkhabi Abdolmaleki   +3 more
doaj  

Research On Maximizing Critical And Reducing Initial Heat Flux Densities To Eliminate Any Film Boiling And Minimize Distortion During Quenching [PDF]

open access: yes, 2017
In the paper the results of testing three types of FUCHS oils: Thermisol QH 120, Thermisol QH 10 and Thermisol QB 46 are discussed. The main attention is paid to critical heat flux densities evaluation because they create a basis for optimizing cooling ...
Dobryvechir, V. (Volodymyr)   +3 more
core   +2 more sources

Nanofluids in the Service of High Voltage Transformers: Breakdown Properties of Transformer Oils with Nanoparticles, a Review

open access: yesEnergies, 2018
The continuous development of electrical systems and high voltage transformers builds the need for looking for new insulating media or to improve the insulating properties of commercially available transformer oils (TO) by various modification techniques.
Jacek Fal, Omid Mahian, Gaweł Żyła
doaj   +1 more source

Evaluation of the lubricating power of sweet almond oil without additives

open access: yesDyna, 2018
The lubricity of sweet almond oil (Prunus amygdalus var. Dulcis) was evaluated through Anti Wear (AW) properties and Extreme Pressure (EP) performance in a four-ball tribometer.
Arnoldo Emilio Delgado-Tobón   +2 more
doaj   +1 more source

Oil-in-oil emulsions stabilised solely by solid particles [PDF]

open access: yes, 2015
A brief review of the stabilisation of emulsions of two immiscible oils is given. We then describe the use of fumed silica particles coated with either hydrocarbon or fluorocarbon groups in acting as sole stabilisers of emulsions of various vegetable ...
Binks, Bernard P., Tyowua, Andrew T.
core   +1 more source

Investigation of the content of unsaturated hydrocarbons in transformer oils using IR spectroscopy

open access: yesИзвестия высших учебных заведений: Проблемы энергетики
THE  PURPOSE. To  analyze  the  current  understanding  of  unsaturated  hydrocarbons with  double  C=C  bonds  in  mineral  transformer  oils  and  evaluate  the  effectiveness  of  modern methods of controlling the content of these compounds in oils ...
M. Sh. Garifullin   +4 more
doaj   +1 more source

Tensão superficial estática de soluções aquosas com óleos minerais e vegetais utilizados na agricultura Surface tension of mineral oils and vegetable oils

open access: yesEngenharia Agrícola, 2007
O trabalho teve como objetivo avaliar a tensão superficial estática de soluções aquosas com formulações de óleos minerais e vegetais emulsionáveis utilizados como adjuvantes na agricultura.
Cristina G. de Mendonça   +2 more
doaj   +1 more source

Streamer evolution arrest governed amplified AC breakdown strength of graphene and CNT colloids

open access: yes, 2018
The present article experimentally explores the concept of large improving the AC dielectric breakdown strength of insulating mineral oils by the addition of trace amounts of graphene or CNTs to form stable dispersions.
Chattopadhyay, Ankur   +3 more
core   +1 more source

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