Given Information: dy dv Cd The system of equations = v, = -g– mv |v| , for the position and velocity of a ballwith -9- m이미 diameter 22 cm and mass 0.4 kg that is kicked in the air with a velocity of 40 m/s where p is the air density as 1.3 Kg/m³ and Ca is the dimensionless drag-coefficient with value 0.52. The formula for the drag coefficient is, Ca = ¿PAC4 Here, p is the air density as 1.3 Kg/m³, A is the area of the ball and C4 is the dimensionless drag- coefficient with value 0.52. Calculation: Compute the values of A and ca as, d² A = r¢ 0.22² = T - 0.038013

Given Information: dy dv Cd The system of equations = v, = -g– mv |v| , for the position and velocity of a ballwith -9- m이미 diameter 22 cm and mass 0.4 kg that is kicked in the air with a velocity of 40 m/s where p is the air density as 1.3 Kg/m³ and Ca is the dimensionless drag-coefficient with value 0.52. The formula for the drag coefficient is, Ca = ¿PAC4 Here, p is the air density as 1.3 Kg/m³, A is the area of the ball and C4 is the dimensionless drag- coefficient with value 0.52. Calculation: Compute the values of A and ca as, d² A = r¢ 0.22² = T - 0.038013

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.26P

See similar textbooks

Similar questions

Air at 20C flows at 1 m/s between two parallel flat plates spaced 5 cm apart. Estimate the distance from the entrance to the point at which the hydrodynamic boundary layers meet.
Engine oil at 100C flows over and parallel to a flat surface at a velocity of 3 m/s. Calculate the thickness of the hydrodynamic boundary layer at a distance 0.3 m from the leading edge of the surface.
When testing a new car, the car drives with a constant speed v = 140 km/h. Thepower of car’s engine is P = 120 kW and we know that 80% of this power is con-verted to movement. Determine the drag coefficient in air if the cross section of thecar has circular shape, its value is S = 3 m2, and air can be described as a liquidwith viscosity η = 2,2 · 10−3 Ns/m2 and density ρ = 1,2 kg/m3. Calculate theReynolds number and determine if the linear or quadratic drag equation is valid inthis case or neither of them.
A vertical air stream flowing at a velocity of 100 m/s supports a ball of 60 mm in diameter. Taking the density of air as 1.2 kg/m³ and kinematic viscosity as 1.6 stokes, the weight of the ball that is supported is (if coefficient of drag C= 0.8)
Given the following measurements of mean winds and temperature from a 200-m mast inNetherlands on a September night: Table 1. Measurements of mean winds and temperature from a 200-m mast in Netherlands ona September night. Question: Solve for the roughness parameter (zo) and friction velocity (U*)
Air at 20 °C flows at V = 10 m/s over a flat plate of length L= 1.52 m and width W = 2 m.Calculate the boundary layer thickness at the trailing edge of plate and drag force on one sideof plate if:a. Surface of plate is smooth.b. Surface of plate is rough.The air properties at 20 °C are: Density, ? = 1.2 kg/m3and dynamic viscosity, ? = 1.8x 10-5kg/m·s and kinematic viscosity, ν = 1.516×10-5m2/s. kindly give me the solution of this problem with correct and logical reasoning.
Air at 20 °C flows at V = 10 m/s over a flat plate of length L= 1.52 m and width W = 2 m.Calculate the boundary layer thickness at the trailing edge of plate and drag force on one sideof plate if:a. Surface of plate is smooth.b. Surface of plate is rough.The air properties at 20 °C are: Density, ? = 1.2 kg/m3and dynamic viscosity, ? = 1.8x 10-5kg/m·s and kinematic viscosity, ν = 1.516×10-5m2/s. I got the first solution which was wrong kindly solve it correctly
Air at 20 °C flows at V = 10 m/s over a flat plate of length L= 1.52 m and width W = 2 m.Calculate the boundary layer thickness at the trailing edge of plate and drag force on one sideof plate if:a. Surface of plate is smooth.b. Surface of plate is rough.The air properties at 20 °C are: Density, ? = 1.2 kg/m3and dynamic viscosity, ? = 1.8x 10-5kg/m·s and kinematic viscosity, ν = 1.516×10-5m2/s
The drag equation for the Gofaster 172 is: D = 0.0003v2A. D is drag in pounds; v is airspeed in feet/second; and A is aircraft frontal area in square feet. At maximum airspeed, D = 140 lbs. How much does max airspeed INCREASE if the fuselage is narrowed such that frontal area A is reduced from 16 ft2 to 14 ft2? Give the answer in ft/sec AND mph. drag is 140 lbs. at maximum airspeed, regardless of frontal area. the question is: what is the INCREASE in max airspeed, not what is the max airspeed.
A passenger train, Keretapi Tanah Melayu (KTM) moves from A, to B at constant speed of 60 m/s. The long of the train is 15 m. By assuming the outer wall of the train is flat, air density,  = 1.164 kg/m3 and air kinematic viscosity,  = 1.60 x 10-5 m2 /s, determine at the back edge of the train (L = 15 m), boundary layer thickness,  in meter (m) displacement thickness, * in meter (m), and iii. wall shear stress in Pascal (Pa).
A diamond-shaped body, of characteristic length 9 in, hasthe following measured drag forces when placed in a windthe tunnel at sea-level standard conditions: Use these data to predict the drag force of a similar 15 - indiamond placed at similar orientation in 20 ° C water flowingat 2.2 m/s.
For those who think electric cars are sissy, Keio University inJapan has tested a 22-ft-long prototype whose eight electricmotors generate a total of 590 horsepower. The “Kaz” cruisesat 180 mi/h (see Popular Science, August 2001, p. 15). If thedrag coefficient is 0.35 and the frontal area is 26 ft2, what percentageof this power is expended against sea-level air drag?