Required informationWater at 20°C is flowing with velocity of 0.89 m/s between two parallel flat plates placed 1 cm apart.Given: The properties of water at 20°C are p= 998.0 kg/m3, µ = 1.002 x 103kg/m-s and Pr = 7.01Determine/the distance from the entrance at which the velocity boundary layers meet. (Round the final answer to one decimal place.)The distance from the entrance at which the velocity boundary layers meet ism.

Given: V=0.89 m/s Temperature of water = 20℃ ρ=998.0 kg/m3 μ=1.002 x 10-3 kg/m.s Pr=7.01 To find:…

Water at 20°C is flowing with velocity of 0.89 m/s between two parallel flat plates placed 1 cm apart. Gjven: The properties of water-at 20°C are p= 998.0 kg/m3,µ = 1.002 x 103 kg/m s and Pr = 7.01

Water at 20°C is flowing with velocity of 0.89 m/s between two parallel flat plates placed 1 cm apart. Gjven: The properties of water-at 20°C are p= 998.0 kg/m3,µ = 1.002 x 103 kg/m s and Pr = 7.01

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.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.10P

See similar textbooks

Related questions

Q: 20-cm-square plate loses heat at a rate of 5000 W/m2. Air at 1 atm and 300 K flows across the lower…

Q: A gas is cooled by circulating it in a turbulent regime through the interior of a circular duct with…

A: Given: The diameter of duct, Di = 0.025 m The internal wall temperature, Ti = 310 K The average…

Q: Air flows across a 20-cm-square plate with a velocity of 5 my/s. Free-stream conditions are 10:C and…

A: In general, there are three modes by which heat gets transferred from one place to another. The…

Q: Water at 90 °C enters a 10-cm-diameter and 400-m-long uninsulated pipe at a rate of 4.5 kg/s and…

A: Given that, Entering temperature of water, Ti=90 °C,Diameter of pipe, d=10 cm,Length of the pipe,…

Q: Determine the average velocity and temperature for the following velocity and temperature profile…

A: Formula involving integration to get average velocity and temperature are calculated to arrive the…

Q: Water (5.0 L/min) is flowing in a tube "D = 3 cm, L= 5 m" and is to be heated from 15°C to 64.0°C by…

Q: Air flowing over a 1-m-long flat plate at a velocity of 7 m/s has a friction coefficient given as…

A: Given:- x=0.6m To find:- Wall shear stress

Q: Q) Water at 22°C flows in a 40-cm-diameter pipe and 25-m-long at an average velocity of 0.15 m/s.…

A: Surface temperature is constant This system contains one fluid is flowing in the pipe and surface…

Q: Imagine a plate 0.1 m long by 0.1 m wide at a temperature of 80 °C. Water is passed over its…

A: Given data: Ts=80°CT∞=40°CV=0.1 m/sL=0.1 mw=0.1 m Need to determine the heat dissipated by the…

Q: Consider Couette flow for two plates separated by a 6 inch-thick layer of 10W-30 oil. The top plate…

Q: During a cold winter day, wind at 55 km/h is blowing parallel to a 4m high and 10m long wall of a…

Q: A 4-m x 4-m flat plate maintained at a constant temperature of 80°C is subjected to parallel flow of…

Q: Consider an airplane cruising at an altitude of 10 km where Standard atmospheric conditions are…

A: Given dataDimensions Lxw=25x3H=10 kmV=800 kmhCf=0.001bP=26.5 KPaT=-50°C

Q: Air is to be cooled in the evaporator section of a refrigerator by passing it over a bank of 0.8-…

Q: How does the wall shear stress ?w vary along the flow direction in the fully developed region in (a)…

A: According to Newton’s law of viscosity, From the relation, shear stress is dependent only on…

Q: Four power transistors, each dissipating 12 W, are mounted on a thin vertical aluminum plate (k =…

A: The properties of air at 40 degrees Celsius and 1 atm pressure are: The Reynolds number of the flow…

Q: The relation of flow between parallel flat plates is

Q: EES Metal plates (k = 180 W/m-K, p= 2800 kg/m², |and c, = 880 J/kg-K) with a length of 1 m and a…

Q: Saturated water at 50° C flows over a 150 cm long flat plate with a velocity of 3 m/s. The plate…

Q: Air is flowing in parallel over the upper surface of a flat plate with a length of 4 m. The first…

A: The value of kinematic viscosity, v = 1.608×10-5 m2s Thermal conductivity, k = 0.02588 Wm·K Prantl…

Q: Water at 43.3°C flows over a large square plate at a velocity of 20 cm/s. The plate is 2 m long (in…

Q: he water surface temperature at 20 ° C is kept constant at 80 ° C, 1 m wide and 3.6 m long It flows…

A: Temperature of water is = 20 degrees Plate is maintained at a temperature of 80 degrees Dimensions…

Q: During a cold winter day, wind at 55 km/h is blowing parallel to a 4-m-high and 10-m-long wall of a…

Q: When the compressibility effects become significant in heat transfer problems in high speed flow

A: The Mach number is used to estimate how close a flow may be considered as an incompressible…

Q: Q) Water at 12°C flows in a 2.5-cm-diameter pipe and 10-m-long at an average velocity of 0.1 m/s.…

A: Given: The temperature of water, T = 12°C The diameter of pipe, d = 40 cm = 0.025 m The length of…

Q: 1. Engine oil at 80°C flows over a 6-m-long flat plate whose temperature is 30°C with a velocity of…

A: Answer: The average Nusselt Number is 2911.

Q: What is turbulent viscosity? What causes it?

A: Turbulent viscosity is defined as the coefficient of viscosity whose value obtained the average…

Q: (e) Water is entering a heated tube at mass flow rate of 1.2 kg/s. The temperature at the inlet 20°C…

A: Given:mass flow rate, m=1.2 kg/sTemperature at inlet, Ti=20°CTemperature at outlet,…

Q: A computer cooled by a fan contains eight printed circuit boards (PCBs), each dissipating 10 W of…

A: (a) Given, the bulk temperature of air should be assumed as 25°C. Therefore, write the values of…

Q: 7-120 The local atmospheric pressure in Denver, Colorado (elevation 1610 m), is 83.4 kPa. Air at…

Q: -5- For flow over a flat plate, the temperature distribution inside the boundary layer is given by:…

A: The given function is

Q: A 1.5-m long, copper rod is removed from a heat- treatment oven at 550°C and immersed in a 55°C…

A: Given data Length of copper rod = 1.5 mTemperature of the surface of copper rod = 550 °CTemperature…

Q: 5-39 Air at 1 atm and 300 K blows across a 50-cm-square flat plate at a velocity such that the…

Q: Consider wind blowing past a house with 10 windows of 1 m wide each as shown in the following…

Q: A 1.2-in-outer-diameter pipe is to span across a river at a 140-ft-wide section while being…

A: Given data as per question Diameter of pipe =1.2 in Flow velocity = 10ft/s

Q: Hot carbon dioxide exhaust gas at 1 atm is being cooled by flat plates. The gas at 220oC flows in…

Q: A1.8-m-diameter spherical tank of negligible thickness contains iced water at 0°C. Air at 25°C flows…

Q: 7-115 Air is to be cooled in the evaporator section of a refrigerator by passing it over a bank of…

Q: A 1.5-m long, copper rod is removed Irom a heat- treatment oven at 550°C and immersed in a 55°C…

A: Given dataLength of copper rod = 1.5 mTemperature of surface of copper rod = Ts = 550°CTemperature…

Q: Q7) The components of an electronic system are located in a 1.5-m-long horizontal duct whose cross…

Q: Air is flowing in parallel over the upper surface of a flat plate with a length of 4 m. The first…

A: The velocity of free stream is V=0.5 m/s. The temperature of air is T∞=100C. The kinematic viscosity…

Q: Q1 (a) Someone claims that in the fully developed laminar flow region, the velocity profile change…

A: No When a flow is fully developed it will have the same velocity profile at any cross-section…

Q: A 2m by 3m flat plate is suspended in a room, and is subjected to air flow parallel to its surfaces…

Q: A square duct having D=23-cm and surface temperature T=70°C is located horizontally in an attic…

Q: QUESTION 3 a) During a cold winter day, wind at 55 km/h is blowing parallel to a 4-m-high and…

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

Q: What is the Continuity Equation for steady flow processes?

A: Continuity Equation for steady flow processes It states that, in a steady state process the rate of…

Q: Air flows over a flat plate at a constant velocity of 20 m/s and ambient conditions of 20 kPa and…

Q: Air at 1atm, 35 degree celcius (ρ = 1.145 kg/m3 and μ = 1.895 x 10-5 kg/m.s) and average velocity of…

Q: Air is heated in a 4cm×4cm sheet metal duct with a uniform surface heat flux of 590 W/m2. The mean…

Question

Required information
Water at 20°C is flowing with velocity of 0.89 m/s between two parallel flat plates placed 1 cm apart.
Given: The properties of water at 20°C are p= 998.0 kg/m3, µ = 1.002 x 103
kg/m-s and Pr = 7.01
Determine/the distance from the entrance at which the velocity boundary layers meet. (Round the final answer to one decimal place.)
The distance from the entrance at which the velocity boundary layers meet is
m.

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

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 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

A 20degC water flows to 50cmx60cm flat plate with velocity of 6m/s . The flat plate surface temperature is maintained at 40deg C. The water flows parallel to the 50cm side of the plate. If the kinematic viscosity of water is 78x10-8 m2/s, What is the local heat flux (Q/A) at the end of the plate (k=0.86 W/m deg C, Re=3840000, and Pr=0.7)? Round your answer to 2 decimal places.
Topic: Heat transfer Completely solve and box the final answer. A 20degC water flows to 50cmx60cm flat plate with velocity of 6m/s . The flat plate surface temperature is maintained at 40deg C. The air flows parallel to the 50cm side of the plate. If the kinematic viscosity of water is 78x10-8 m2/s, at what length the flow become turbulent? If the average laminar heat transfer coefficient of water is 7740W/m2 degC, what is the overall heat transfer at the laminar section?
A 20 °C water flows to 50cmx60cm flat plate with velocity of 6m/s . The flat plate surface temperature is maintained at 40 °C . The air flows parallel to the 50cm side of the plate. If the kinematic viscosity of water is 78x10-8 m2/s, at what length the flow become turbulent? If the average laminar heat transfer coefficient of water is 7740W/m2 °C , what is the overall heat transfer at the laminar section?
An expression for the laminar velocity profile on a flat plate is u=C1sin(C2y)+C3 Where the argument of the sine function is in radians. Using the three common physicalconditions that the velocity profile should satisfy, determine a) the constants C1, C2, and C3.b) the nondimensional velocity profilec) the boundary thickness (δ/x) as a function of lengthd) the skin friction coefficient, Cf as a function of lengthe) displacement thickness (δ*/x) as a function of lengthf) the momentum thickness (θ/x) as a function of lengthg) the drag force (FD) on both sides of the plate
An expression for the laminar velocity profile on a flat plate is u=C1sin(C2y)+C3 Where the argument of the sine function is in radians. Using the three common physicalconditions that the velocity profile should satisfy, determine d) the skin friction coefficient, Cf as a function of lengthe) displacement thickness (δ*/x) as a function of lengthf) the momentum thickness (θ/x) as a function of lengthg) the drag force (FD) on both sides of the plate
Air at 20 ◦ C flows inside a pipe 18-mm-ID having a uniform heat flux of 150 W/m 2 on the surface, the average flow velocity at entry being 1.0 m/s. The air pressure is 2 bar. Determine the value of convection coefficient. If the pipe is 2.5 m long, determine the air exit temperature and the wall temperature at the exit. Assume fully developed hydrodynamic boundary layer.
Topic: Heat transfer Completely solve and box the final answer. 1. A 20degC water flows to 50cmx60cm flat plate with velocity of 5.2m/s . The flat plate surface temperature is maintained at 40deg C. The air flows parallel to the 50cm side of the plate. If the kinematic viscosity of water is 78x10-8 m2/s, at what length the flow become turbulent?
Oil at 350 K is flowing over a flat plate maintained at 425 K. Tha plate is 0.75 m long and 200 mm wide. The velocity of flow is 0.25 m/s. The properties are evaluated at the mean temperature of 350 deg C. Properties of the oil are v = 50 x 10^-6 m^2/s, k = 0.14 W/m-K, Pr = 600, p = 853 kg/m^3. The Nusselt number is most nearly:
Water at 45.0oC flows over a large plate at a velocity of 30.0 cm/s. The plate is 1.0 m long (in the flow direction), and its surface is maintained at a uniform temperature of 5.0oC. Calculate the steady rate of heat transfer per unit width of the plate. Properties The properties of air at 1 atm and the film temperature of (Ts+T∞)/2 = (5+45)/2 = 25°C are: ρ = 996.6 kg/m3, k = 0.610 W/m.oC, μ = 0.854x10-3 kg/m.s, Pr = 5.85
Air at 10 m/s is flowing over a cylinder of D=(15) cm and L = 1 m. Air has thermalconductivity 0.027 W/mK, kinematic viscosity 1.9*10-5 m2/s, and Prandtl number 0.72.Find the Nusselt number
Q2: Air at standard conditions of I atm and 27°C flows over a flat plate at 20 m/s. The plate is 60 cm square and is maintained at 97°C. Calculate the heat transfer from the plate. Answers: Q= 681 W,
What is the physical significant of prandtl number? Question does the value of the prandtl number depend on the type of flow, or the flow geometry? Does the prandtl number of air change with pressure? does it change your temperature?