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5) The break up of a liquid jet into droplets of diameter d depends on the...
S2. Chap7 (a) A diameter(d) of dots printed by a inkjet printer is a function of...
S2. Chap7 (a) A diameter(d) of dots printed by a inkjet printer is a function of the ink viscosity (H), density (p), surface tension (o), ink nozzle diameter (D), the distance between the nozzle and paper (L), and the inkjet speed (V). Determine all the non-dimensional numbers necessary to estimate the performance of the inkjet (b) To readily perform experiments for the analysis of the inkjet printer, you decided to use water instead of ink. Find the nozzle diameter for...
The spray characteristics of a highly poisonous liquid fuel, especially particle diameters, are desired to known....
The spray characteristics of a highly poisonous liquid fuel, especially particle diameters, are desired to known. It has been suggested that particle diameters dp, spray outlet speed U, liquid viscosity μ , surface tension Y, density ρ and spray injector outlet diameter D are connected. Design a experiment which will be done with with water and specify the necessary conditions for the experiment . Write the data with mathematical expressions, if necessary, with dimensionless numbers.
The drag force Fp on a smooth sphere falling in water depends on the sphere speed...
The drag force Fp on a smooth sphere falling in water depends on
the sphere speed V, the sphere density P. the density p and dynamic
viscosity of water, the sphere diameter Dand the gravitational
acceleration g. Using dimensional analysis with p. V and D as
repeating variables, determine suitable dimensionless groups to
obtain a reneral relationship between the drag force and the other
variables. If the same sphere were to fall through air, determine
the ratio of the drag...
Chemical Engineering Fluid Mechanics. Ron Darby u UUUUL) 26. A gas bubble of diameter d rises...
Chemical Engineering Fluid Mechanics. Ron Darby
u UUUUL) 26. A gas bubble of diameter d rises with velocity V in a liquid of density p and viscosity u. (a) Determine the dimensionless groups that include the effects of all the significant variables, in such a form that the liquid viscosity appears in only one group. Note that the driving force for the bubble motion is buoy- ancy, which is equal to the weight of the displaced fluid. (b) You want...
Part 1 How fast do small water droplets of 0.23 um (23 x 108 m) diameter fall through the air under standard sea-level conditions? Assume the drops do not evaporate. Repeat the problem for standard...
Part 1 How fast do small water droplets of 0.23 um (23 x 108 m) diameter fall through the air under standard sea-level conditions? Assume the drops do not evaporate. Repeat the problem for standard conditions at 5000-m altitude. (a) For the condition that the droplets are falling at a constant velocity, what is the relation between the weight ofa drop W, the buoyancy force Fe, and the drag force F? (b) What is the expression for the weight of...
b) The power input P to be a cerki fugal pump is assumed to be a...
b) The power input P to be a cerki fugal pump is assumed to be a function of the volume flow , impeller diometer D rotational rate , and the density and MJ CAST of the fluid. By using , and D as repeating von bles) develop this as a dimensionless relationship - d3 - A water solution entering the propeller in the pump produces thrust force, ft which is depending on the density, diameter ,d, the rotational speed, co...
The aerodynamic forces produced by a golf ball (lift and/or drag) depend on its diameter d,...
The aerodynamic forces produced by a golf ball (lift and/or drag) depend on its diameter d, its speed V, its angular velocity w, and its dimple height h, as well as the air density p and viscosity . (a) You wish to define a force coefficient (a dimensionless force). Find an variables by which you can divide the force to make a dimensionless force coefficient. Show your work. appropriate combination of the above (b) Show that the appropriate dimensionless force...
CENTRE INDEX NUMBER SECTION B 30 marks] Calculate the discharge through a pipe of diameter 200...
CENTRE INDEX NUMBER SECTION B 30 marks] Calculate the discharge through a pipe of diameter 200 mm when the difference of pressure head between the ends of the pipe 500 m apart is 4 m of water. Take the value off= 0.009 in the formula hl= a) 19.5e/s b)2.0es e)03 m's d) 29.3 e/s 2. A scale 1:50 scale model of ship is towed through sea water at a speed of 1 ms. A force of 2 N is required...
, A tite ditèrence analysis vestir coeficient is h. sis has been performed on the fin of diameter D using a uniform spacing o perfi at each node has been obtained. The thermal conducti has been obtai...
, A tite ditèrence analysis vestir coeficient is h. sis has been performed on the fin of diameter D using a uniform spacing o perfi at each node has been obtained. The thermal conducti has been obtained. The thermal conductivity of the fin is & and the ambient flow hich discretized equation for node T, is correct? f Ax and the equatio s A hole is drilled through the center of a solid block of square cross section. The hole...
Matching A. Metric unit of force B. Unit of work in the metric system C. Metric...
Matching A. Metric unit of force B. Unit of work in the metric system C. Metric unit of power D. Unit of work in English system E. Unit of pressure in metric system named after the scientist Torricelli F. Mass per unit volume G. The force that is dependent on the masses and distance between them H. A unit of angular measure I. The acceleration of and object traveling with a circular motion J. The displacement of an object as...
S2. Chap7 (a) A diameter(d) of dots printed by a inkjet printer is a function of the ink viscosity (H), density (p), surface tension (o), ink nozzle diameter (D), the distance between the nozzle and paper (L), and the inkjet speed (V). Determine all the non-dimensional numbers necessary to estimate the performance of the inkjet (b) To readily perform experiments for the analysis of the inkjet printer, you decided to use water instead of ink. Find the nozzle diameter for...
The drag force Fp on a smooth sphere falling in water depends on
the sphere speed V, the sphere density P. the density p and dynamic
viscosity of water, the sphere diameter Dand the gravitational
acceleration g. Using dimensional analysis with p. V and D as
repeating variables, determine suitable dimensionless groups to
obtain a reneral relationship between the drag force and the other
variables. If the same sphere were to fall through air, determine
the ratio of the drag...
Chemical Engineering Fluid Mechanics. Ron Darby
u UUUUL) 26. A gas bubble of diameter d rises with velocity V in a liquid of density p and viscosity u. (a) Determine the dimensionless groups that include the effects of all the significant variables, in such a form that the liquid viscosity appears in only one group. Note that the driving force for the bubble motion is buoy- ancy, which is equal to the weight of the displaced fluid. (b) You want...
Part 1 How fast do small water droplets of 0.23 um (23 x 108 m) diameter fall through the air under standard sea-level conditions? Assume the drops do not evaporate. Repeat the problem for standard conditions at 5000-m altitude. (a) For the condition that the droplets are falling at a constant velocity, what is the relation between the weight ofa drop W, the buoyancy force Fe, and the drag force F? (b) What is the expression for the weight of...
b) The power input P to be a cerki fugal pump is assumed to be a function of the volume flow , impeller diometer D rotational rate , and the density and MJ CAST of the fluid. By using , and D as repeating von bles) develop this as a dimensionless relationship - d3 - A water solution entering the propeller in the pump produces thrust force, ft which is depending on the density, diameter ,d, the rotational speed, co...
The aerodynamic forces produced by a golf ball (lift and/or drag) depend on its diameter d, its speed V, its angular velocity w, and its dimple height h, as well as the air density p and viscosity . (a) You wish to define a force coefficient (a dimensionless force). Find an variables by which you can divide the force to make a dimensionless force coefficient. Show your work. appropriate combination of the above (b) Show that the appropriate dimensionless force...
CENTRE INDEX NUMBER SECTION B 30 marks] Calculate the discharge through a pipe of diameter 200 mm when the difference of pressure head between the ends of the pipe 500 m apart is 4 m of water. Take the value off= 0.009 in the formula hl= a) 19.5e/s b)2.0es e)03 m's d) 29.3 e/s 2. A scale 1:50 scale model of ship is towed through sea water at a speed of 1 ms. A force of 2 N is required...
, A tite ditèrence analysis vestir coeficient is h. sis has been performed on the fin of diameter D using a uniform spacing o perfi at each node has been obtained. The thermal conducti has been obtained. The thermal conductivity of the fin is & and the ambient flow hich discretized equation for node T, is correct? f Ax and the equatio s A hole is drilled through the center of a solid block of square cross section. The hole...
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