Assume Patm = 10^5, Pa = 14.7 psi; pwater ~ 1000 kg/m3; pair ~ 1.2 kg/m3; μwater ~ 10^-3 N•s/m2; pair ~ 2 x 10^-5 N•s/m2; Vwater ~ 10^-6 m2 /s; Vair~ 1.67 x 10^-5 m2 /s ; g = 9.8 m/s^2 .; 1 m/s = 2.24 mph; 1lbf = 4.45 N; 1 m^3 = 264 gallonsChanging variables, the IBL eq'n 9.21 can be written as: TW = pU^2 (d8/dx) [S(u/U)(1-u/U)dn] where ny/6, with integral limits 0 to 1. Assuming profiles of theform u/U = f(n) then the integral value is a pure number. Again, for turbulent IBL we set TW = 0.0233 pU^2 [v/(US)]^(1/4) on LHSCombination of Variables. A boundary layer expert uses a combination of variables n = ay/x1¹/2 together withy = bx¹/² f(n), where a and b are constants. It is found that for flow of air near a flat plate ƒ(n) = 0.3ŋ². If a = 1000and b = 0.001, compute (a) the shear stress at the plate in air at x = 50cm; (b) the air velocity at y = 0.1mm and x = = 50cm;(c) the total drag force, Fò, on a square plate L = W = 4m. Ans OM: (a) t: 10-² Pa; (b) u: 10-² m/s; (c) FD:10-¹ N

Combination of Variables. A boundary layer expert uses a combination of variables n= ay/x¹/2 together with = bx¹/2 f(n), where a and b are constants. It is found that for flow of air near a flat plate f(n) = 0.3n². If a = 1000 and b = 0.001, compute (a) the shear stress at the plate in air at x = 50cm; (b) the air velocity at y = 0.1mm and x = 50cm; (c) the total drag force, FD, on a square plate L = W = 4m. Ans OM: (a) t: 10-2 Pa; (b) u: 10-2 m/s; (c) FD:10-¹ N

Combination of Variables. A boundary layer expert uses a combination of variables n= ay/x¹/2 together with = bx¹/2 f(n), where a and b are constants. It is found that for flow of air near a flat plate f(n) = 0.3n². If a = 1000 and b = 0.001, compute (a) the shear stress at the plate in air at x = 50cm; (b) the air velocity at y = 0.1mm and x = 50cm; (c) the total drag force, FD, on a square plate L = W = 4m. Ans OM: (a) t: 10-2 Pa; (b) u: 10-2 m/s; (c) FD:10-¹ N

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

Related questions

Q: 1. Consider a two-dimensional flow which varies in time and is defined by the velocity field, u = 1…

A: Velocity field, U =1 , V= 2yt

Q: The Power (P) required to drive the pump depends upon the diameter (D), the angular velocity (@),…

A: Total variable =P,D,ω,Q,ρ P= f(D,ω,Q,ρ) where P is a dependent variable

Q: The traditional "Moody-type" pipe friction correlation in Chap. 6 is of the form 2APD f = pVL (pVD и…

A: PART A- Given that,

Q: Use the following figures to derive the Newtonian fluid shear stress formula. Why fluids governed by…

A: As per Newton's Law of viscosity : The shear stress is proportional to shear strain. τ=μdγdt here,γ…

Q: The less following data is measured for the dimensionless velocity u of a fluid as a function of…

A: Given: To find: Acceleration and spatial change in acceleration at x=1 and t=4 with second order…

Q: 3: Using dimensional analysis and showing all work, convert the following: (a) 248 pounds to newtons…

A: a) Given Pounds = 248 Solution 1 Pound = 4.4482 N Therefore, 248…

Q: The Navier-Stokes equations are the set of differential (vector) equations describing the motion of…

A: For solution refer below images.

Q: Required information Outside an inner, intense-activity circle of radius R, a tropical storm can be…

A: The velocity components are defined as: vr=∂ϕ∂rϕ=U0Rθvr=0vθ=1r∂ϕ∂θ=U0Rr

Q: An airplane wing, with chord length of 1.5 m and span of 9 m, is designed to move through standard…

A: Air: ν1= 1.51×10-5 m2/sV1= 7.5 m/s Water: ν2= 1.00×10-6 m2/sV2= ? m/s Scale model= D2D1=110

Q: A site is under evaluation to build a wind farm. The average velocity measured is 246.32ft/s. These…

Q: In figure 1, where is the center of gravity of the gate with respect to the liquid surface O 4.0m O…

Q: A graduated cylinder full of water in the lab on a bench that has just been waxed. The cylinder is 1…

A: Given, Area of the cylinder, A=1cm2 Height of water, h=10cm

Q: The time t d to drain a liquid from a hole in the bottom of atank is a function of the hole…

A: Given data td=drain timed=hole diameteryo=initial fluid vol.ho=Liquid depthρ=density of…

Q: cylindrical syringe is filled with oil and the density is 0.855 g/cm3. (a)What is the pressure of…

A: density = ρ = 0.855g/cm3 = 855 kg/m3 dai (d1 ) = 4.50 cm = 0.045 m dia (d2 ) = 1.25 cm = 0.0125 m…

Q: Use Excel to plot the following data for a pump. Use two different y axes. Use a scale of zero to…

A: The given data, Flowrate Head of pump Efficiency (L/min) (cm) (%) 0 120 1 2 119.2 10 4…

Q: For the flow of gas between two parallel plates of Fig. 1.7,reanalyze for the case of slip fl ow at…

A: Write the expression for the differential form of velocity distribution and variable thickness.

Q: P6.2 A 1:80 scale model of an aircraft was tested in air at 20C°moves with speed 40m/s a- What is…

A: Given, The velocity of the prototype in air, The kinematic viscosity of air, The kinematic…

Q: uniform stream overflows in a circular cylinder and then a periodic Kármán vortex street is created.…

A: Use Buckingham pi method to solve this problem

Q: Panels AB and CD in Fig. are each 120 cm wide intothe paper. ( a ) Can you deduce, by inspection,…

A: Part A) Since panels, AB is shorter than CD and its centroid from the free surface is greater than…

Question

Assume Patm = 10^5, Pa = 14.7 psi; pwater ~ 1000 kg/m3; pair ~ 1.2 kg/m3; μwater ~ 10^-3 N•s/m2; pair ~ 2 x 10^-5 N•s/m2; Vwater ~ 10^-6 m2 /s; Vair
~ 1.67 x 10^-5 m2 /s ; g = 9.8 m/s^2 .; 1 m/s = 2.24 mph; 1lbf = 4.45 N; 1 m^3 = 264 gallons
Changing variables, the IBL eq'n 9.21 can be written as: TW = pU^2 (d8/dx) [S(u/U)(1-u/U)dn] where ny/6, with integral limits 0 to 1. Assuming profiles of the
form u/U = f(n) then the integral value is a pure number. Again, for turbulent IBL we set TW = 0.0233 pU^2 [v/(US)]^(1/4) on LHS
Combination of Variables. A boundary layer expert uses a combination of variables n = ay/x1¹/2 together with
y = bx¹/² f(n), where a and b are constants. It is found that for flow of air near a flat plate ƒ(n) = 0.3ŋ². If a = 1000
and b = 0.001, compute (a) the shear stress at the plate in air at x = 50cm; (b) the air velocity at y = 0.1mm and x = = 50cm;
(c) the total drag force, Fò, on a square plate L = W = 4m. Ans OM: (a) t: 10-² Pa; (b) u: 10-² m/s; (c) FD:10-¹ N

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

If the velocity varies linearty with distance through this fluid nozzie (vertical nozzle), where the specific gravity of the fluid is S-0.46, what will be the pressure gradient, halfway through the nozzle? Assume steady and inviscid flow 2 m/s 50 cm 6 mis Select one a. 38465.20 O b. -57697.80 O e. 19232.60 O d. 9616.30 e. 76930.40
Solve it from 1 to 4 PLZ
Looking for correct answer within 30minutes.
Problem 4: The power P developed by a wind turbine is a function of diameter D, air density p, wind speed V, and rotational rate @. Viscous effect is negligible. (4a) Rewrite the above relationship in a dimensionless form; (4b) In a wind tunnel, a small model with a diameter of 90cm, rotating at 1200 RPM (revolution per minute), delivered 200 watts when the wind speed is 12m/s. The data are to be used for a prototype of diameter of 50m and wind speed of 8 m/s. For dynamic similarity, what will be (i) the rotational speed of the prototype turbine? (ii) the power delivered by the prototype turbine? Assume air has sea-level density.
Buckingham Pi. A mechanical stirrer is used to mix chemicals in a large tank. The required shaft power P is a function of liquid density p, viscosity μ, stirrer blade diameter D, and angular speed w of the spinning blades. (a) use repeating variables p, D, u to find a relation between dimensionless power (1) and w (m2); (b,c) a small 1/3 scale model is used in water to predict the actual required power in a viscous liquid with SG =2 and μ = 12μwater. Find (b) the ratio of speeds, wwater/ wactual, necessary for dynamic similarity and then (c) the predicted ratio of powers Pwater/ Pactual. expecting unit : (a) π1 ~ D ; π^2 ~ D^2; (b) wwater/ wactual: 10^0; (c) Pwater/ Pactual 10^-3 SI constant Patm = 10^5 Pa; pwater - 1000 kg/m^3; pair ~ 1.2kg/m^3; µwater ~ 10^-3 N•s/m^2; pair - 2 x 10^-5 N•s/m^2 ; g = 9.8 m/s^2 =