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Get Full Access to Fundamentals Of Fluid Mechanics - 8 Edition - Chapter 1.6 - Problem 1.87
Get Full Access to Fundamentals Of Fluid Mechanics - 8 Edition - Chapter 1.6 - Problem 1.87

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The viscosity of liquids can be measured through the use ofa rotating cylinder

ISBN: 9781119080701 456

Solution for problem 1.87 Chapter 1.6

Fundamentals of Fluid Mechanics | 8th Edition

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Problem 1.87

The viscosity of liquids can be measured through the use ofa rotating cylinder viscometer of the type illustrated in Fig. P1.87.In this device the outer cylinder is fixed and the inner cylinderis rotated with an angular velocity, . The torque required todevelop is measured and the viscosity is calculated from thesetwo measurements. (a) Develop an equation relating , , , , Ro,and Ri. Neglect end effects and assume the velocity distribution inthe gap is linear. (b) The following torque-angular velocity datawere obtained with a rotating cylinder viscometer of the type discussedin part (a).Torque (ft lb) 13.1 26.0 39.5 52.7 64.9 78.6Angular velocity (rads) 1.0 2.0 3.0 4.0 5.0 6.0For this viscometer Ro = 2.50 in., Ri = 2.45 in., and = 5.00 in.Make use of these data and a standard curve-fitting program todetermine the viscosity of the liquid contained in the viscometer.

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ISBN: 9781119080701

This textbook survival guide was created for the textbook: Fundamentals of Fluid Mechanics, edition: 8. Fundamentals of Fluid Mechanics was written by and is associated to the ISBN: 9781119080701. The answer to “The viscosity of liquids can be measured through the use ofa rotating cylinder viscometer of the type illustrated in Fig. P1.87.In this device the outer cylinder is fixed and the inner cylinderis rotated with an angular velocity, . The torque required todevelop is measured and the viscosity is calculated from thesetwo measurements. (a) Develop an equation relating , , , , Ro,and Ri. Neglect end effects and assume the velocity distribution inthe gap is linear. (b) The following torque-angular velocity datawere obtained with a rotating cylinder viscometer of the type discussedin part (a).Torque (ft lb) 13.1 26.0 39.5 52.7 64.9 78.6Angular velocity (rads) 1.0 2.0 3.0 4.0 5.0 6.0For this viscometer Ro = 2.50 in., Ri = 2.45 in., and = 5.00 in.Make use of these data and a standard curve-fitting program todetermine the viscosity of the liquid contained in the viscometer.” is broken down into a number of easy to follow steps, and 142 words. The full step-by-step solution to problem: 1.87 from chapter: 1.6 was answered by , our top Science solution expert on 03/16/18, 03:21PM. This full solution covers the following key subjects: . This expansive textbook survival guide covers 112 chapters, and 1357 solutions. Since the solution to 1.87 from 1.6 chapter was answered, more than 261 students have viewed the full step-by-step answer.

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