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2. A plastic sphere with 4mm in diameter is dropped...
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...
A streetlight is approximated by a 50cm diameter sphere mounted on a (a) 0.10m diameter cylinder...
A streetlight is approximated by a 50cm diameter sphere mounted on a (a) 0.10m diameter cylinder 2.5m long. Estimate, using the data below and stating any assumptions you make, the bending moment at the root of the cylinder due to aerodynamic forces with:- 2 winds of 6.3m/s and an air temperature of 15'C; (i) slightly stronger winds of 7m/s and an air temperature of 22'C (ii) Comment on your answers and what advice would you give with regards the (b)...
5.16. Water is flowing in a 3-cm-diameter pipe at an average velocity of Uav 2 m/s....
5.16. Water is flowing in a 3-cm-diameter pipe at an average velocity of Uav 2 m/s. Assuming water density of ρ-1000 kg/m 3 and viscosity μ-10-3 N s'm2, calculate the velocity at the center of the pipe, the shear τ at the wall, and the Reynolds number. Assuming laminar flow, calculate friction coefficient C and pressure drop dp/dx.
Please don't attempt if you can not write a MATLAB PROGRAM. I don't need numerical physics...
Please don't attempt if you can not write a MATLAB
PROGRAM.
I don't need numerical physics solution, I need MATLAB code.
Read the question carefully
2) Falling Drops Imagine a solid sphere of diameter, d, falling through the air. After its release, the sphere accelerates until it reaches its terminal velocity. The terminal velocity is obtained when the drag force due to air friction, Fa, balances the weight of the sphere, W. The weight of the sphere is simply its...
4. (25 pts) Water is flowing inside a thin wall, smooth pipe of diameter 0.05 m...
4. (25 pts) Water is flowing inside a thin wall, smooth pipe of diameter 0.05 m at a mass flowrate of 0.3 kg/s. The water enters the pipe at a mean temperature Tm,i= 80 °C and exits at Tm,o= 80 °C while the pipe surface temperature is maintained at Ts= 20 °C along its entire length. a. Is the flow turbulent or laminar? b. Calculate the average convection heat transfer coefficient inside the tube. c. Calculate the length of the...
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...
A streetlight is approximated by a 50cm diameter sphere mounted on a (a) 0.10m diameter cylinder 2.5m long. Estimate, using the data below and stating any assumptions you make, the bending moment at the root of the cylinder due to aerodynamic forces with:- 2 winds of 6.3m/s and an air temperature of 15'C; (i) slightly stronger winds of 7m/s and an air temperature of 22'C (ii) Comment on your answers and what advice would you give with regards the (b)...
5.16. Water is flowing in a 3-cm-diameter pipe at an average velocity of Uav 2 m/s. Assuming water density of ρ-1000 kg/m 3 and viscosity μ-10-3 N s'm2, calculate the velocity at the center of the pipe, the shear τ at the wall, and the Reynolds number. Assuming laminar flow, calculate friction coefficient C and pressure drop dp/dx.
Please don't attempt if you can not write a MATLAB
PROGRAM.
I don't need numerical physics solution, I need MATLAB code.
Read the question carefully
2) Falling Drops Imagine a solid sphere of diameter, d, falling through the air. After its release, the sphere accelerates until it reaches its terminal velocity. The terminal velocity is obtained when the drag force due to air friction, Fa, balances the weight of the sphere, W. The weight of the sphere is simply its...
4. (25 pts) Water is flowing inside a thin wall, smooth pipe of diameter 0.05 m at a mass flowrate of 0.3 kg/s. The water enters the pipe at a mean temperature Tm,i= 80 °C and exits at Tm,o= 80 °C while the pipe surface temperature is maintained at Ts= 20 °C along its entire length. a. Is the flow turbulent or laminar? b. Calculate the average convection heat transfer coefficient inside the tube. c. Calculate the length of the...
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