Will a marble or a baseball have a lower Reynolds number? A. marble B. baseball C....
Will a marble or a baseball have a lower Reynolds number?
| A. | marble | |
| B. | baseball | |
| C. | you need to know more to answer this question |
Homework Answers
C. You need to know more to answer this question
Reynolds number is a term related to measure the flow of fluid
It's not related with solid objects
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Will a marble or a baseball have a lower Reynolds number?
A.
marble
B.
baseball
C....
4. Write a Matlab code that computes the Reynolds number, discharge coefficient, in the discharge...
4. Write a Matlab code that computes the Reynolds number, discharge coefficient, in the discharge coefficient, and air flow rate for a given orifice plate geometry an difference. Your code should be able to compute the flow rate (mass and ΔΡ across an orifice plate. You will continue to use your code for the rest example set of data against which you can test your code is provided in from your code must be in the same units as shown...
2. (15pts) You have been asked by a baseball manufacturer to study how certain stitching patterns...
2. (15pts) You have been asked by a baseball manufacturer to study how certain stitching patterns on a baseball prototype affect travel distance. Using principles of dynamic similarity you make a baseball model that is three times the size of a regular baseball and you place it in a wind tunnel. You remember from fluid mechanics that the Reynolds (Re) number is important to this problem (see class notes for Re number derivation) (a) What parameters must be controlled to...
Question 2 2A. Define Reynolds number. 2B. What is the range of Reynolds number where the...
Question 2 2A. Define Reynolds number. 2B. What is the range of Reynolds number where the Darcy's Law is applicable? 2C. How should you ensure you are in the valid range of Reynolds number to apply the Darcy's Law correctly? 2D. Consider a porous medium with the following rock properties • Porosity, Ø = 20% • Permeability, k = 200 mD The fluid being injected into the medium at a Darcian velocity, u = 5 cm/s, has the following properties...
Recall that the Reynolds number is a dimensionless number that we use to discuss the flow...
Recall that the Reynolds number is a dimensionless number that we use to discuss the flow charecteristics of moving fluids. Generally speaking it is the ratio of momentum forces to viscous forces, and it depends on the diameter of the pipe, the density of the fluid, the velocity of the moving fluid, and the viscosity of the moving fluid. It is normally given by Re Where Re - Reynolds number [dimensionless) p- fuid density v- fud velocity D- pipe diameter...
Vid 15. One expression for the Reynolds number is Rem a. Since the Reynolds number must...
Vid 15. One expression for the Reynolds number is Rem a. Since the Reynolds number must be dimensionless, what are the units of the v term in the denominator? b. Does the v term represent the kinematic or dynamic viscosity? c. Find the coefficient of drag of a sphere (d=0.5m) if cold air, with a density of 1.29 kg/m' is blowing on it with a velocity of 35 m/s and a dynamic viscosity of 1.72d0N s/m?.
marble A (with a mass of 200 grams) hangs from a 0.20-m-long string, and marble B...
marble A (with a mass of 200 grams) hangs from a 0.20-m-long string, and marble B (mass of 400 grams) hangs from a 0.40-m-long string. When set to oscillate starting with a relatively small angular displacement from equilibrium, marble B will make a complete oscillation in a) less time than marble A, and less than half the time b) more time than marble A, and exactly twice the time c) exactly the same time as marble A d) less time...
a. Calculate the Reynolds number for flow in a pipe that transports water at 50°C at...
a. Calculate the Reynolds number for flow in a pipe that transports water at 50°C at a speed of 8 ft/s. The pipe has an inside diameter of 2.469 in. The density of water at 50°C is equal to 61.6 lb/ft3 . b. Calculate the Reynolds number for flow in a pipe that transports a liquid with a density of 931 kg/m3 and a viscosity of 2.5x10-3 Pa-s. The liquid flows at a rate of 4.3 m3/s and the pipe...
help on this question The marble is initially at rest at the top of the ramp...
help on this question
The marble is initially at rest at the top of the ramp (point A), a height h above the end of the ramp. When it reaches the bottom of the ramp, it has some speed v (which we need to know to predict the landing point on the floor). So, the initial potential energy of the marble at point A has been transformed into kinetic energy. Its important to recognize that its kinetic energy is in...
Using C# Create a database that stores baseball player information. You will have the following columns....
Using C# Create a database that stores baseball player information. You will have the following columns. You will need to have the ability to add rows and display the records. You may use LINQ or Given example using an access accdb file... Name string Batting Average floating, decimal, double team string jersey number int ID autonumber
[2] Steve has created a "grab the marble" game. If you grab a green marble you...
[2] Steve has created a "grab the marble" game. If you grab a green marble you get a dollar, if you grab a yellow marble you get nothing. Out of a total of 100 marbles, there are 31 green marbles, and 69 yellow ones. You decide to reach into the bag and grab a marble 39 times, replacing the marble you grab each time. What is the probability that you will win more than 9 dollars? 4. (a) 0.7982 (b)...
4. Write a Matlab code that computes the Reynolds number, discharge coefficient, in the discharge coefficient, and air flow rate for a given orifice plate geometry an difference. Your code should be able to compute the flow rate (mass and ΔΡ across an orifice plate. You will continue to use your code for the rest example set of data against which you can test your code is provided in from your code must be in the same units as shown...
2. (15pts) You have been asked by a baseball manufacturer to study how certain stitching patterns on a baseball prototype affect travel distance. Using principles of dynamic similarity you make a baseball model that is three times the size of a regular baseball and you place it in a wind tunnel. You remember from fluid mechanics that the Reynolds (Re) number is important to this problem (see class notes for Re number derivation) (a) What parameters must be controlled to...
Question 2 2A. Define Reynolds number. 2B. What is the range of Reynolds number where the Darcy's Law is applicable? 2C. How should you ensure you are in the valid range of Reynolds number to apply the Darcy's Law correctly? 2D. Consider a porous medium with the following rock properties • Porosity, Ø = 20% • Permeability, k = 200 mD The fluid being injected into the medium at a Darcian velocity, u = 5 cm/s, has the following properties...
Recall that the Reynolds number is a dimensionless number that we use to discuss the flow charecteristics of moving fluids. Generally speaking it is the ratio of momentum forces to viscous forces, and it depends on the diameter of the pipe, the density of the fluid, the velocity of the moving fluid, and the viscosity of the moving fluid. It is normally given by Re Where Re - Reynolds number [dimensionless) p- fuid density v- fud velocity D- pipe diameter...
Vid 15. One expression for the Reynolds number is Rem a. Since the Reynolds number must be dimensionless, what are the units of the v term in the denominator? b. Does the v term represent the kinematic or dynamic viscosity? c. Find the coefficient of drag of a sphere (d=0.5m) if cold air, with a density of 1.29 kg/m' is blowing on it with a velocity of 35 m/s and a dynamic viscosity of 1.72d0N s/m?.
help on this question
The marble is initially at rest at the top of the ramp (point A), a height h above the end of the ramp. When it reaches the bottom of the ramp, it has some speed v (which we need to know to predict the landing point on the floor). So, the initial potential energy of the marble at point A has been transformed into kinetic energy. Its important to recognize that its kinetic energy is in...
[2] Steve has created a "grab the marble" game. If you grab a green marble you get a dollar, if you grab a yellow marble you get nothing. Out of a total of 100 marbles, there are 31 green marbles, and 69 yellow ones. You decide to reach into the bag and grab a marble 39 times, replacing the marble you grab each time. What is the probability that you will win more than 9 dollars? 4. (a) 0.7982 (b)...
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