A study of the physical characteristic of honey was conducted due to the large demand of royal jelly. A capillary tube viscometer was used by a researcher in determining the viscosity of the honey. The viscometer is 250 mm long with an outside diameter of 55mm and effective thickness of 2.5mm and was used horizontally so that the effect of gravity was neglected. At an ambient temperature of 30oC the following data were collected: \ΔΡ (Pa) Q (cc/s) 10.0 1.25 12.5 1.55 15 1.80 17.5 2.05 20.0 2.55 What will be the stress produced per unit length in the tube used in the production of royal jelly if it has a radius of 5mm and a flow of 1 capsule per second. (1 capsule = 0.85 cc of royal jelly).

A study of the physical characteristic of honey was conducted due to the large demand of royal jelly. A capillary tube viscometer was used by a researcher in determining the viscosity of the honey. The viscometer is 250 mm long with an outside diameter of 55mm and effective thickness of 2.5mm and was used horizontally so that the effect of gravity was neglected. At an ambient temperature of 30oC the following data were collected: \ΔΡ (Pa) Q (cc/s) 10.0 1.25 12.5 1.55 15 1.80 17.5 2.05 20.0 2.55 What will be the stress produced per unit length in the tube used in the production of royal jelly if it has a radius of 5mm and a flow of 1 capsule per second. (1 capsule = 0.85 cc of royal jelly).

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

(b) Use the above expression of the velocity to determine the expression of the torque (I) required to rotate the upper disk a constant angular velocity (o) when the gap is filled with a fluid of viscosity (μ). (c) An experiment found that a torque of 0.01 Nm is needed to rotate the disk at 500rpm. What is the viscosity of the fluid if the viscometer's radius and gap are 5cm and 2mm, respectively?
It is desired to determine the surface tension of a particular fluid using a capillary-riseexperiment. Kienth used a 0.5 mm glass tube and found that the height of the liquidmeasured 30 mm with a contact angle of 30°. Kienth then performed viscosity measurements using an Ostwald viscometer. He found that the fluid takes 1.5 times slowerto flow through the viscometer relative to water with a density of 1000 kg/m? and aviscosity of 1.0 cP. It is previously known that the viscosity of the fluid is 1.35 cP. Whatis the surface tension of the liquid?
In a rotary viscometer the radii of the cylinders are respectively 50 mm and 50.5 mm, and the outer cylinder is rotated steadily at 30 rad s. For a certain liquid the torque is 0.45 N-m when the depth of the liquid is 50 mm and the torque is 0.81 N-m when the depth is 100 mm. Estimate the dynamic viscosity of the liquid.
Question: The Viscosity Of A Fluid Is To Be Measured By A Viscometer Constructed Of Two 75 Cm Long... The viscosity of a fluid is to be measured by a viscometer constructed of two 75 cm long concentric cylinder. The outer diameter of the inner cylinder is 15 cm as shown in Figure 2, and the gap between the two cylinders is 0.12 cm. The inner cylinder is rotated at 200 rpm, and the torque is measured to be 0.8 N.m. Determine the viscosity of the fluid? 0.12 cm 200 rpm Figure 2 Fluid Stationary cylinder
One type of viscometer involves the use of a rotating cylinder inside a fixed cylinder as shown in the figure below. The gap between the cylinders must be very small to achieve a linear velocity distribution in the liquid. Design a viscometer that will be used to measure the viscosity of motor SAE 30 oil from 0°C to 100°C. Here you need to determine and report the following parameters: a. The dimensions of the two cylinders, lengths, thicknesses and diameters. b. The gap clearance between the surfaces of the cylinders. c. The rated power of the driving motor. d. The rotational speed of the shaft.
A rotating cup viscometer has an inner cylinder diameter of 50.8mm, and the gap between cups is 5.08mm. The inner cylinder length is 63.5mm. The viscometer is used to obtain viscosity data on a Newtonian liquid. When the inner cylinder rotates at 10 rev/min, the torque on the inner cylinder is measured to be 0.01243mN - m. Calculate the viscosity of the fluid. If the fluid density is 850 kg/ m^3, calculate the kinematic viscosity.
Part 1: Rotating Viscometer One type of viscometer involves the use of a rotating cylinder inside a fixed cylinder as shown in the figure below. The gap between the cylinders must be very small to achieve a linear velocity distribution in the liquid. Design a viscometer that will be used to measure the viscosity of motor SAE 30 oil from 0°C to 100°C. Here you need to determine and report the following parameters: a. The dimensions of the two cylinders, lengths, thicknesses and diameters. b. The gap clearance between the surfaces of the cylinders. c. The rated power of the driving motor. d. The rotational speed of the shaft. e. Assumptions, and operational procedure. Rotating Drum Viscometer Drive Motor Rotating Cylinder Viscos Liquid Sample Stationary Cylinder Figure 3: Schematic for task 3 part 1. Part 2: Viscosity Correlation For the above viscometer: a. Calculate the applied power function of the oil viscosity over the specified range of temperature. Plot Power function of…
A rotating viscometer consists of two concentric cylinders—a stationary inner cylinder of radius Ri and an outer cylinder of inside radius Ro rotating at angular velocity (rotation rate) vo. In the tiny gap between the two cylinders is the fluid whose viscosity (m) is to be measured. The length of the cylinders is L. L is large such that end effects are negligible (we can treat this as a two-dimensional problem). Torque (T) is required to rotate the inner cylinder at constant speed. Showing all your work and algebra, generate an approximate expression of T as a function of the other variables.
A steel ball with the density of 6324 kg/m and the radius of 0,48 cm was dropped into the oil whose viscosity was to be measured as is seen in the figure. When the ball attains a constant velocity, the distance that the ball travelled was measured as 97 cm within the time interval of 4 sec. Before the experiment, the mass of the 100 ml-oil was measured as 2,8 gr. According to the data given above, find; a) the density of the oil (in kg/m). (Please do not use any decimal digit.) Yanıt:
A rotating viscometer consists of two concentric cylinders-a stationary inner cylinder of radius R, and an outer cylinder of inside radius Ro rotating at angular velocity (rotation rate) wo. In the tiny gap between the two cylinders is the fluid whose viscosity (u) is to be measured. The length of the cylinders (into the page in Figure 1) is L. L is large such that end effects are negligible (we can treat this as a two-dimensional problem). Torque (T) is required to rotate the outer cylinder at constant speed. Showing all your work and algebra, generate an approximate expression of T as a function of the other variables. Liquid: p, Ro Ri Stationary inner cylinder Rotating outer cylinder Figure 1 Wo
A rotating viscometer consists of two concentriccylinders—an inner cylinder of radius Ri rotating at angularvelocity (rotation rate) vi, and a stationary outer cylinder ofinside radius Ro. In the tiny gap between the two cylindersis the fluid of viscosity m. The length of the cylinders is L. L is large such that end effects are negligible (we can treat this as a two-dimensional problem). Torque (T) is required to rotate the inner cylinder at constant speed. (a) Showing all of your work and algebra, generate an approximate expression for T as a function of the other variables. (b) Explain why your solution is only an approximation. In particular, do you expect the velocity profile in the gap to remain linear as the gap becomes larger and larger (i.e., if the outer radius Ro were to increase, all else staying the same)?
n = Xe()r -------Equation 1 where X = 1.7419 and (E/R) = -0.018 are constants for a given fluid. You are required to carry out appropriate calculations on the effect of changes in temperature given in table A by using equation 1 for Ethanol on the viscosity of a fluid. Table A NO Temperature viscocity n T°C cP 10 3 20 30 5 40 6. 50 7 60 8 70 In addition to this, calculate other constraints such as the variety of shear stress (T) and force due to fluid viscosity, when the two layers of different compressible Newtonian fluids are contained between two flat plates separated by a distance of 0.05m and fluid moving with the velocity of 2m/s in the horizontal direction. Assume the shear area between the fluid layers is 0.5m². To do this you required to explain, with examples, the effects of temperature and shear forces on Newtonian and non-Newtonian fluid. Also, explain the operation and constraints of different viscometers that quantify viscosity in fluids. 2.