A// For laminar flow over a flat plate, the local heat transfer coefficient h, is known to where x is the distance from the leading edge (x =0) of the plate. What is -1/5 vary as x 2 the ratio of the average coefficient between the leading edge and some location x on the plate to the local coefficient at x? for velocity equation u= 2-0.43x+x² Plot the local heat transfer coefficient over a 0.8 cm length(take T-35c)

A// For laminar flow over a flat plate, the local heat transfer coefficient h, is known to where x is the distance from the leading edge (x =0) of the plate. What is -1/5 vary as x 2 the ratio of the average coefficient between the leading edge and some location x on the plate to the local coefficient at x? for velocity equation u= 2-0.43x+x² Plot the local heat transfer coefficient over a 0.8 cm length(take T-35c)

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 5.33P

See similar textbooks

Similar questions

5.6 A fluid flows at 5 over a wide, flat plate 15 cm long. For each from the following list, calculate the Reynolds number at the downstream end of the plate. Indicate whether the flow at that point is laminar, transition, or turbulent. Assume all fluids are at 40°C. (a) air, (b) , (c) water, (d) engine oil.
In a particular engineering application involving airflow (u) over a surface (length in the direction of the flow is L), the temperature distribution of the airflow T(x, y) is measured and can be approximated by the following expression: Tf(x,y)-Ts 1- exp(-º 0.0332 Re2Pr¹/3 = y), where x is the coordinate from the leading edge of x Too-Ts the surface and parallel to the flow direction, while y is the coordinate perpendicular to the surface. Ts is the temperature of the surface and Too is the temperature of the moving fluid, and both are constants. Rex is the Reynolds number with the characteristic length of.x, and Pr is the Prandtl number. Assume uniform properties in the fluid field (thermal conductivity ks, kinemati viscosity vs, etc.). (a) Based on the expression given above, derive the derivative of the fluid temperature (the slope) with respective to y, then find the derivative at the surface (x, y=0), i.e., ду TI at y=0 (b) Based on the derivation of (a), write the expression of…
Example(1-13): steam and water flow through 75 mm inside diameter pipe at flow rate of 0.05 and 1.5 m³/s respectivily. If the mean temperature and pressure are 330 K and 120 kpa, what is the pressure drop per unit length of pipe. Where the pipe roughness 0.00015 mm, liquid and gas viscosities are 0.52x10³ pa.s and 0.0133x10-³ pa.s.
A plate is cooled by a fluid with Prandtl number Pr >> 1. Surface temperature varies with distance form the leading edge according to where C is constant. For such a fluid it is reasonable to assume that axial velocity within the thermal boundary layer is linear given by u=V% y Determine the local Nusselt number and show that surface heat flux is uniform. Use a third degree polynomial temperature profile and assume laminar boundary layer flow y YA To Vo T₁(x,0)=T +C√√x U -8 &₁ X T₁(x) = T₁ +C√x
ANSWER ASAP Using the velocity distribution for a laminar, incompressible flow of a Newtonian fluid in a long vertical tube, for a fluid whose density is 300 kg per cubic meter and viscosity is 1x10 - 4 Pascal-second travelling along a long circular tube of cross sectional area of 1 cm2 owing to a pressure gradient of 1,000 Pascal per meter, the average velocity in meter per second (m/s) is Blank 1.
A fluid passes passes through a pipe with the following condition Fluid: - 1.61 x 10-4 Kinematic Viscosity Density - 2*/ma Specific Heat = 30 000 '/rg K Pipe: Inner Diameter = 50 mm Outer Diameter = 60mm Length = 11 m 3D Thermal conductivity = 17 "/mx Heat Transfer coefficient of water = 99 Compute for Prandit and Nusselt Number
Conduct thorough a research on Reynolds Number, laminar and turbulent flow as it relates to mechanics of fluids
Topic: Heat transfer Completely solve and box the final answer. 6. Water flows at 5m/s is passed through a tube of 2.5 cm diameter, it is found to be heated from 20degC to 60degC. The heating is achieved by condensing steam on the surface of the tube and subsequently the surface temperature of the tube is maintained at 90degC. Water properties are as follows: density=995kg/m3, kinematic viscosity=.657x10-6 m2/s, Pr=4.43, k=.628W/mK, cp=4178J/kgK. What is the heat absorbed by the water?
k An empirical correlation for the Nusselt number (Nu = hd) for flow past tubes is Nu= 0.25Re 0.6 pp.0.38, where Re = is the pud μ k Reynolds number and Pr = p; pH is the Prandtl number. Here, µ is the viscosity and k is the thermal conductivity. Using the simple expressions for the transport properties that we derived in class, determine the temperature and pressure dependency of the convective heat transfer coefficient h.
Topic: Heat transfer Completely solve and box the final answer. 5. Water flows at 5m/s is passed through a tube of 2.5 cm diameter, it is found to be heated from 20degC to 60degC. The heating is achieved by condensing steam on the surface of the tube and subsequently the surface temperature of the tube is maintained at 90degC. Water properties are as follows: density=995kg/m3, kinematic viscosity=.657x10-6 m2/s, Pr=4.43, k=.628W/mK, cp=4178J/kgK. Find the thermal coefficient.
For the flow geometry from the top of a flat plate, the velocity profile around the plate is given as v (y) = ay+by^2-cy^3, and the temperature profile as T (y) = d+ey+fy^2-gy^3. Derive the mathematical expressions that give the regression coefficient and the heat transfer coefficient. CREATE THE KNOWN AND UNKNOWN BY DRAWING THE SHAPE OF THE ORGANIZATION AND WRITE ALL THE ASSUMPTIONS IN DETAIL
Asap