viscosity modification of different vegetable oils

Viscosity modification of different vegetable oils with

This work deals with the modification of vegetable oils viscosity for bio-lubricant applications. Use of EVA copolymer allows improving viscosity data for conventional vegetable oils studied. Viscosity increments up to 330–420% respecting the original oil have been obtained for these vegetable oils/EVA blends. Ternary blends of high-oleic sunflower oil, castor oil, and EVA may be used to

Cited by: 157

Viscosity modification of different vegetable oils with

Viscosity modification of different vegetable oils with EVA copolymer for lubricant applications Article in Industrial Crops and Products 32(3):607-612 · November 2010 with 1,247 Reads

Viscosities of vegetable oils and fatty acids

KEY WORDS: Fatty acids, vegetable oils, viscosity. Liquid viscosity is important in the design of process equipment for the fatty acid industry. For example, it is an important parameter in estimat'mg efficiency of distilla- tion columns for separation of fatty acids. Liquid viscosity data are required in the design of heat transfer equipment. Process piping design and pressure drop

Absolute Viscosities of Vegetable Oils at Different

A study was carried out to determine the effect of higher shear rates (64.5 to 4835 s<sup>−1</sup>) on the absolute viscosities of different vegetable oils at different temperatures (26 to 90°C). The absolute viscosities of the different vegetable oils were determined using a Lamy Viscometer RM100, a rotating viscometer with coaxial cylinder. The torque

Cited by: 63

Viscosity modification of different vegetable oils with

Viscosity increments up to 330-420% respecting the original oil have been obtained for these vegetable oil/EVA blends at 40°C. On the contrary, the lowest increments correspond to castor oil/EVA blends, mainly at low temperature. Furthermore, ternary blends of high-oleic sunflower oil, castor oil (CO) and EVA may be used to design enhanced bio-lubricant formulations for some specific

Cited by: 157

Viscosity modification of different vegetable oils with

Viscosity modification of different vegetable oils with EVA copolymer for lubricant applications. The most important viscosity increments have been found for low-viscosity vegetable oils, i.e. sunflower oil sunflower oil Subject Category: Commodities and Products see more details sunflower oil Subject Category: Chemicals and Chemical Groups see more details (SO), high-oleic sunflower oil

Cited by: 157

Viscosity Modification of High-Oleic Sunflower Oil with

Viscosity modification of different vegetable oils with EVA copolymer for lubricant applications. Industrial Crops and Products 2010,32 (3),607-612. DOI: 10.1016/j.indcrop.2010.07.011.

Viscosity modification of different vegetable oils with

Viscosity modification of different vegetable oils with EVA copolymer for lubricant applications. The most important viscosity increments have been found for low-viscosity vegetable oils, i.e. sunflower oil sunflower oil Subject Category: Commodities and Products see more details sunflower oil Subject Category: Chemicals and Chemical Groups see more details (SO), high-oleic sunflower oil

Density, viscosity, and surface tension of five vegetable

Density, viscosity, and surface tension of five vegetable oils at elevated temperatures: Measurement and modeling Shreya N. Sahasrabudhe b, Veronica Rodriguez-Martinez,Meghan.O’Mearaa, and Brian E. Farkasb aDepartment of Food, Bioprocessing and Nutrition Sciences, North Carolina State University, Raleigh, NC, USA; bDepartment of Food Science, College of Agriculture, Purdue University, West

Density and viscosity of vegetable oils Semantic Scholar

A generalized method was developed to estimate the liquid density of vegetable oils and fatty acids. The correlation for vegetable oils was based on fatty acid critical properties and composition of the oil. The correlations predicted the density of vegetable oils and fatty acids with an average absolute deviation of 0.21 and 0.77%, respectively. The present method is slightly more accurate in

VISCOSITY AND SPECIFIC HEAT OF VEGETABLE OILS AS A

out on temperature effect on viscosity of vegetable oils have been carried out at different temperature ranges. Additionally, no published data exist on the effect of temperature on the specific heat of vegetable oils throughout the temperature range of 35–180°C. Some of the reported stud-ies on specific heat of vegetable oil include the following: Paul and Mittal[18]—specific heat of

Viscosity of food grade lubricant oils New Food

Even though vegetable oils have higher Vis and viscosity than mineral oils, all vegetable oils suffer from lower chemical stability. Unsaturated oils are prone to oxidation. However, high-oleic acid oils (greater than 75 percent oleic acid), including canola, sunflower and soybean, have an increased oxidative stability. A typical high oleic canola oil will have an oxidative stability index

List of vegetable oils McGill University School of

The list of vegetable oils includes all vegetable oils that are extracted from plants by placing the relevant part of the plant under pressure, to squeeze the oil out. Although few plants are entirely without oil, the oil from a small set of major oil crops complemented by a few dozen minor oil crops has become widely used and traded. Oils may also be extracted from plants by dissolving parts

A study of viscosity and thermal conductivity of vegetable

This paper presents the experimental investigation of viscosity and thermal conductivity of three vegetable oils for use as base cutting fluids: modified high oleic soybean oil (HOSO), refined low

Density and viscosity of vegetable oils Rodenbush

The correlation for vegetable oils was based on fatty acid critical properties and composition of the oil. The correlations predicted the density of vegetable oils and fatty acids with an average absolute deviation of 0.21 and 0.77%, respectively. The present method is slightly more accurate in predicting vegetable oil density and simpler than the method of Halvorsen

Improving Vegetable Oil Properties for Lubrication

Vegetable oils, or their derivatives, are a good alternative to petroleum oils as lubricants or lubricant additives in environmentally sensitive industrial applications. In many industries, around 40 percent of a lubricant can be lost to the environment. With the petroleum prices at a record high, development of economically feasible new industrial products using soybean oil is highly desirable.

Improving Vegetable Oil Properties for Lubrication

Vegetable oils, or their derivatives, are a good alternative to petroleum oils as lubricants or lubricant additives in environmentally sensitive industrial applications. In many industries, around 40 percent of a lubricant can be lost to the environment. With the petroleum prices at a record high, development of economically feasible new industrial products using soybean oil is highly desirable.

List of vegetable oils Wikipedia

Vegetable oils are triglycerides extracted from plants.Some of these oils have been part of human culture for millennia. Edible vegetable oils are used in food, both in cooking and as supplements.Many oils, edible and otherwise, are burned as fuel, such as in oil lamps and as a substitute for petroleum-based fuels.Some of the many other uses include wood finishing, oil painting, and skin care

Dynamic Viscosity of common Liquids Engineering

Crude oil viscosity as function of gravity Viscosity at 20°C/68°F and 50°C/122°F for more than 120 crudes is shown as function of specific [email protected]°C/60°F Dynamic or Absolute Viscosity Converting Chart Dynamic viscosity converting chart with units like Poiseuille Poise centiPoise and more

Viscosity of a selection of edible oils and blends of oils

that the viscosity in edible vegetable oils and their blends, like all Newtonian fluids, decreased with increase in temperature. Investigation of thermal behavior of emulsion systems are essential for the food- and feed industry. It might be in order to understand changes when fats and oils are exposed to different temperature cycles during storage and use. In fat emulsions, like butter and

Absolute Viscosities of Vegetable Oils at Different

Table 3: Absolute Viscosities of Vegetable Oils at Different Temperatures and Shear Rate Range of 64.5 to 4835 s − 1

1. Introduction

The experimental absolute viscosities of some vegetable oils were also comparable with the published data even at different temperatures when taking into account the effect of temperature on the viscosity of the oil. Generally, the experimental viscosity of a specific oil and temperature was lower compared with the published data at lower temperature which coincides with the theory. The

Oil Viscosity and Weight Explained With Chart to Pick the

Here is a table showing the viscosity indices of different types of oils. Oil Types Viscosity Index; Multi-Grade Oil: 140 200: Mineral Oil: 95 105: Silicone Oil: 205 400: PAO Oil: 135 160: Glycol: 200 220: Vegetable Oil: 195 210: Easter: 140 190: Low or High Viscosity Index . A lubricant may benefit from having a high viscosity index because of one or more of the

Kinematic Viscosity of Vegetable Oils at Different

Kinematic Viscosity of Vegetable Oils at Different Temperatures . The sources for the data below are given in the far right hand column of the table, and the full citations are at the bottom of the page. CSV Spreadsheet (CSV) Graph of Viscosity vs Temperature The equations for the curves in the graph are either taken from the literature or are the result of fitting the MacCoull-Walther

Research Article Absolute Viscosities of Vegetable Oils at

Common commercially-available vegetable oils are can-ola,corn,olive,peanut,soybean,sun ower,andothers[,]. ere are also number of new vegetable oils such as grape seed, rice bran, macadamia nut, and many others [ ]. Oil viscosity is typically measured and de ned in two ways, either based on its absolute viscosity or its kinematic viscosity. e

Temperature dependence of density and viscosity of

The straight use of vegetable oils as fuel in diesel engines entails adjusting several physical properties such as density and viscosity. By adequately heating the vegetable oil before entering the injection system, its physical parameters can reach values very close to that of diesel fuel. Consequently, by properly adjusting the temperature of vegetable oils used as fuel, it is possible to

Viscosity index :: Anton Paar Wiki

For an overview of the viscosity indexes of different fluids see the following table: Oil / fluid types Viscosity index Mineral oil 95 105 Multi-grade oil 140 200 PAO oil 135 160 Ester 140 190 Vegetable oil 195 210 Glycol 200 220 Silicone oil 205 400 Table 1: Viscosity index of different fluids 3. Viscosity index modifiers and how they work. Figure 2: Influence of

Viscosity index Wikipedia

Historically, there were two different oil types recommended for usage in different weather conditions. As an example, with winter oils and cold starting the engines, and with temperature ranges from, say, -30*C to 0*C, a 5 weight oil would be pumpable at the very low temperatures and the generally cooler engine operating temperatures. However, in hot climates where temperatures range from 30

Measurement and Prediction of Density and Viscosity of

However, vegetable oils result in operational and durability problems for the long-term operation because of being much more viscous than diesel fuel. To eliminate this drawback, blending of vegetable oils with diesel fuel or alcohol is one of the most widely used techniques. In the existing literature, many studies are available on the measurement and prediction of density and viscosity of

The Use And Modification Of Different Vegetable Oils For

The Use And Modification Of Different Vegetable Oils For Anticorrosive Paint Ogunbisi M.A*,Ogunyemi I.O, anticorrosive paint produced using different kind of oils like vegetable oil (soybean), coconut oil and olive oil has been compared with the standard of anticorrosive paint that was investigated using long oil alkyd resin and colophon product i.e. in terms of viscosity, acid value

A new mathematical model for the viscosity of vegetable

Although the experimental viscosity data for vegetable oils simultaneously tested with density are relatively fewer than the data versus temperature, the authors of this paper gathered 143 data points for five oils: soybean, corn, sunflower, grapeseed, and rapeseed among the density and viscosity ranges: 0.840–0.926 g/cm 3, 2.6–110 mPa.s (as listed in Table 4). These data are suitable to

ES2326067A1 Additives modifying the viscosity of

Viscosity modifying additives of vegetable oils for use as biolubricants The present invention relates to new compositions of lubricating oils comprising at least one vegetable oil as a base component and a polymeric viscosity modifying additive. A preparation process

Viscosity of Vegetable Oils and Biodiesel and Energy

stress and viscosity at different shear rates of each sample at 40ºC, as well as viscosity of each sample at various temperatures in the range of 24 to 85ºC. Furthermore, it was compared the curves obtained for the viscosity versus temperature with the curves obtained by modeling the viscosity dependency on temperature using the Vogel equation. Also a test in a stationary engine was

Kinematic Viscosity: Vegetable Oil at Different

The kinematic viscosity is measured at different temperature ( from 30 °C to 90 ° C) for both unused (unheated) and used (heated) samples (sunflower oil and palm oil) and it is shown in Table 1. The variation of viscosity with temperature is shown in Figure 2 and 3. From the figures 2 and 3, it is observed that the measured kinematic viscosity of samples decrease with increase in temperature

Vegetable Oils Determining Degree Of Unsaturation And

The main purpose of this investigation is to establish the relationship between the degree of unsaturation in the oil and the viscosity of the oil. Vegetable or “Cooking” oil is used on an everyday basis. Vegetable oil is purified fat of plant origin which is liquid at room temperature.There are many different kinds of vegetable oils, some

Rheological characteristics of vegetable oils as affected

Fatty acid composition and rheological characteristics of sunflower oil (SO), cottonseed oil (CO) and palm olein (PO) during deep frying for 4–16 h were investigated. In the different oils, linoleic acid decreased while palmitic, stearic and oleic acids increased in the bath oil during frying. Total phenolic content (TPC) in different oils increased during frying and strongly correlated with



Copyright © 2014-2020.All rights reserved.