The air with a temperature of T. 127°C and a speed of U. = 4 m/s flows over the plate with an area of 1 m² and a surface temperature of T = 27°C. The drag force acting on the plate is measured as 24.2 x 103 N. Calculate the heat flow from the air to the plate. Cp 1.009 kJ/(kg.K) Pr= 0.708

The air with a temperature of T. 127°C and a speed of U. = 4 m/s flows over the plate with an area of 1 m² and a surface temperature of T = 27°C. The drag force acting on the plate is measured as 24.2 x 103 N. Calculate the heat flow from the air to the plate. Cp 1.009 kJ/(kg.K) Pr= 0.708

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 5.24P: Engine oil at 100C flows over and parallel to a flat surface at a velocity of 3 m/s. Calculate the...

See similar textbooks

Related questions

Q: Width velocity of 50 m/s. Determine the drag force acting on upper side of the plate when: Engine…

A: Engine oil at 40°C L = 20 m w = 3m v= 50 m/s Properties of engine oil at 40°C ρ = 876 kg/m3, μ…

Q: During a high Reynolds number experiment, the total drag force acting on a spherical body of…

A: Given data, From stokes equation,

Q: Wind loading is a primary consideration in the design of the supporting mechanisms of billboards, as…

Q: Air at 27°C and 1 atm flows over a flat plate at a speed of 2 m/s. Calculate the boundary- layer…

A: Given:T=27°Cv=2 m/sμ=1.85*10-5 Kg/ms

Q: the transition point between laminar and turbulent flow A. the boundary layer gets thinner and the…

A: Handwriting.jpg

Q: In the laminar flow of air (Pr = 0.7) over a heated plate, if 8 and 8, denote, respectively, the…

A: Given:Prandtl number, Pr=0.7

Q: For water flowing over a flat plate at 15°C and 3 m/s, calculate the mass flow through the boundary…

A: Given Temperature = 15o C Velocity = 3m/s Distance = 5 cm = 0.05 m To find Mass flow rate

Q: What fluid property is responsible for the development of the velocity boundary layer? What is the…

A: When a fluid flows over any stationary surfaces like flat plate, bed of a river or the wall of a…

Q: Required information -0.5 where x Air flowing over a 1-m-long flat plate at a velocity of 7 m/s has…

A: To obtain the velocity gradient of air on the plate, we must first calculate the shear stress acting…

Q: 5 Air at 90°C and 1 atm flows over a flat plate at a velocity of 30 m/s. How thick is the boundary…

Q: d the thickness of the boundary layer at a distance of x = 20 c

A: Re @ x =20 cm Re = ρ Vxμ = Vxν= 5 * 0.21.995 x 10-5=50125.31328 < critical reynold snumber ,…

Q: The passenger compartment of a minivan traveling at 50 mi/h in ambient air at 1 atm and 80°F is…

A: Given Data: The velocity of the car is: V= 50 mi/h. The dimension of the car is: l X b X h= 11 ft X…

Q: air at atmospheric pressure and 23ºC flows over a flat plate with a velocity of 15m/s. Determine;…

Q: 5. The local atmospheric pressure in Denver, Colorado (elevation 1610 m) is 83.4 kPa. Air at this…

Q: A circular sign has a diameter of 50 cm and is subjected to normal winds up to 150 km/h at 10°C and…

A: The diameter of circular sign, D = 50 cm. Wind velocity, V = 150 km/h. Pressure applied on the…

Q: What is the difference in force needed to stabilize a flat plate being sprayed with a jet of water…

A: The force exerted by jet depends on the area of jet or nozzle, velocity of jet coming out through…

Q: Air at 250C and 1.0 bar is flowing over a flat plate with a velocity of 8 m/s. Determine: (i) The…

Q: Water at a velocity of 1.0 m/s flows along the length of one side of a flat plate that is 2 meters…

Q: Briefly explain laminar, transition and turbulent flow based on boundary layer separation.

A: Boundary layer separation. The detachment of a boundary layer from a surface into a wake is known as…

Q: 55°C methanol flows over a 4m long 2m width flat plate with temperature of 25 C. The velocity of…

Q: To reduce the drag coefficient and thus to improve the fuel efficiency, the frontal area of a car is…

A: Given details: Ai=18 ft2Ao=15 ft2d=12000 mi=12000×5280=63360000ftv=55…

Q: 2- Air (v = 1.8×10° m/s) flows along a flat plate with a velocity of 150 km/hr. How long does the…

Q: 55°C methanol flows over a 4m long 2m width flat plate with temperature of 25°C. The velocity of…

A: Reynold's number Reynolds number is a dimensionless quantity that is used to determine the type of…

Q: A flat plate ( 1.5 m ) long and ( 1.5 m ) wide is towed in water ( ρ = 1000 kg/m3 and ν=1.31 * 10 -6…

A: Given data:

Q: b) A 4 m long and 2 m wide plate shown in Figure Q1(b) is positioned in seawater flowing at 1.5 m/s…

Q: (b) The velocity profile in the laminar boundary layer can be approximated by the equation: 3 Us…

Q: How does the air behaves at zero degree?When is the flow turbulent?When does the boundary layer…

A: The chaotic movement of a gas's particles, according to the physical definition of temperature,…

Q: The velocity profile for a turbulent boundary layer over a flat plate is to be approximated by the…

A: The given velocity profile is – The two boundary conditions for boundary layer flow is – From…

Q: ing statements given about the laminar boundary layer on a flat plate are true or false. a) when…

A: given: Write in the boxes on the side that the following statements given about the laminar boundary…

Q: Which parameter does not affect an earlier occurrence of the transition of Laminar flow to turbulent…

A: Laminar flow is the characteristics of flow that occurs when a fluid flows in parallel layers,…

Q: What is flow separation? What causes it? What is the effect of flow separation on the drag…

A: Flow separation It is a process in which the boundary layer of the fluid detaches itself from the…

Q: A 2-m-long, 0.2-m-diameter cylindrical pine log(density =513 kg/m3) is suspended by a crane in the…

A: The related diagram is given as, The density of air is written as, The dynamic viscosity at 5 oC…

Q: Light oil at 75°F flows over a 22-ft-long flat plate with a free-stream velocity of 6 ft/s.…

A: Given data: Length of plate, L = 22 ft Stream velocity, V = 6 ft/s Temperature, T = 75°F

Q: Show the boundary layer development along the plate and define the characteristics of boundary layer…

A: Given:

Q: - Air x10° m/s) flows along a flat plate with a velocity of 150 km/hr. How long loes the plate have…

Q: Consider a refrigeration truck traveling at 70 mi/h at a location where the air is at 1 atm and…

A: Given that,

Q: Engine oil at 40°C flows over a 20-m-long & 3-m-wide smooth flat plate with a free-stream velocity…

Q: How does the Reynolds number effect the lift and drag coefficient for a symmetrical airfoil

Q: A 0.5 m x 2 m flat plate is towed at 5 m/s on a 2-mm-thick layer of SAE-30 oil at 38°C that…

Q: 5. The local atmospheric pressure in Denver, Colorado (elevation 1610 m) is 83.4 kPa. Air at this…

A: Given:P=83.4 KPaT=25°Cv=9 m/sA=2.5*5 m2

Q: How does the viscosity affect the drag force?

A: Explaining the effect of viscosity on drag force

Q: (b) A smooth thin plate 10 m long and 1 m wide is placed in an air stream at 3 m/s with its length…

A: As per bartleby guidelines we are allowed to solve only 1st question if multiple questions are…

Q: What is lift? What causes it? Does wall shear contribute to the lift?

A: given: What is lift? What causes it? Does wall shear contribute to the lift?

Q: 9. The gas density is 0.75 kg per cubic meters and air density is of 1.15 kg per cubic meter. If the…

A: Dear student, According to the expert guidelines I am allowed to answer only…

Q: Light oil at 75°F flows over a 17-ft-long flat plate with a free-stream velocity of 5 ft/s.…

A: Given Data⇒Light oil atT=75°F=297.039 KLenght of plateL=17 ftFree stream velocityv=5ftsProblem…

Q: Calculate the heat transfer from a 60 cm x 60 cm plate on which air flows at 40⁰C and. The plate…

Q: The passenger compartment of a minivan traveling at 50 mi/h in ambient air at 1 atm and 80°F is…

A: Given data *The speed of the minivan is V = 50 mi/h = 50 × 1.46667 ft/s = 73.3335 ft/s *The length…

Question

Cp 1.009 kJ/(kg.K)

Pr= 0.708

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 3 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

An automotive engine can be approximated as a 0.4-m-high, 0.60-m-wide, and 0.7-m-long rectangular block. The ambient air is at 1 atm and 15°C. Determine the drag force acting on the bottom surface of the engine block as the car travels at a velocity of 120 km/h. Assume the flow to be turbulent over the entire surface because of the constant agitation of the engine block
The viscous laminar flow of air over a flat plate results in the formation of a boundary layer. The boundary layer thickness at the end of the plate of length L is Delta L . When the plate length is increased to twice its original length. The percentage change in laminar boundary layer thickness at the end of the plate (with respect to Delta L ) is ______
Air at 250C and 1.0 bar is flowing over a flat plate with a velocity of 8 m/s. Determine: (i) The distance from the leading edge where the flow becomes turbulent (ii) The thickness of the boundary layer at that location.
Consider a refrigeration truck traveling at 70 mi/h at a location where the air is at 1 atm and 80°F. The refrigerated compartment of the truck can be considered to be a 9-ft-wide, 8-ft-high, and 20-ft-long rectangular box. Assuming the airflow over the entire outer surface to be turbulent and attached (no flow separation), determine the drag force acting on the top and side surfaces and the power required to overcome this drag.
How does the air behaves at zero degree?When is the flow turbulent?When does the boundary layer disappear?
What is flow separation? What causes it? What is the effect of flow separation on the drag coefficient?
What effect does increasing the Reynolds number have on coefficient of lift and drag?
The passenger compartment of a minivan traveling at 50 mi/h in ambient air at 1 atm and 80°F is modeled as a 4.5-ft-high, 6-ft-wide, and 11-ft-long rectangular box. The airflow over the exterior surfaces is assumed to be turbulent because of the intense vibrations involved. Determine the drag force acting on the top and the two side surfaces of the van and the power required to overcome it.
Aft of the transition point between laminar and turbulent flow A. the boundary layer gets thinner and the speed increases B. the boundary layer thickens and the speed decreases C. the mean speed increases and the surface friction increases D. the mean speed increases and the surface friction decreases
The drag coefficient for the car is CD�� = 0.28, and the projected area into the 20∘C∘C airstream is 2.5 m2m2. At this temperature ρa�� = 1.202 kg/m3kg/m3. (Figure 1)Determine the power the engine must supply to maintain a constant speed of V� = 160 km/hkm/h .
During a high Reynolds number experiment, the total drag force acting on a spherical body of diameter D = 11 cm subjected to airflow at 1 atm and 5°C is measured to be 5.0 N. The pressure drag acting on the body is calculated by integrating the pressure distribution (measured by the use of pressure sensors throughout the surface) to be 4.75 N. Determine the friction drag coefficient of the sphere.
is the drag coefficient 2 or 0.2?