ENGLER VISCOMETER EXPERIMENT PDF

Engler viscometer is used for measuring the viscosity of lubricating oils. The first prototype of Engler viscometer is probably the unit constructed by Lomonosov in It measured the viscosity of liquids by the number of drops. This idea was the basis for the Engler viscometer. The device consists of an oil cup with a spherical bottom.

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Engler viscometer is used for measuring the viscosity of lubricating oils. The first prototype of Engler viscometer is probably the unit constructed by Lomonosov in It measured the viscosity of liquids by the number of drops. This idea was the basis for the Engler viscometer. The device consists of an oil cup with a spherical bottom. In its center there is an oil tube with a plug at the top. On the inner surface of the oil cup there are three marks. The liquid is poured up to the cm3 mark.

Viscous fluids can be influenced by ambient temperature. To compensate, the cup is surrounded with a thermostat with a thermometer. The kinematic viscosity is calculated on the basis of the empirical equation obtained previously. This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Read More. This website uses cookies so that we can provide you with the best user experience possible.

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Engler viscometer

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engler viscometer

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engler viscometer, viscosity determination APEX-JCX516

The usual temperatures for determination of specific viscosity for tar materials are 25C, 40C, 50C, and C, and generally the temperature is so selected that the specific viscosity is not more than Englers viscometer which is efflux tube was developed in Germany. Note: At a temperature more than C, the water will boil. So we cannot perform this test at a temperature more than C. Liquid asphalt is in the liquid form due to the presence of mineral impurities. This test method is useful in characterizing the consistency of tar and tar distillates by measuring, their flow properties. It is applicable to materials that are readily liquid at temperature up to C.

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