Explain the physical significance of the Nusselt.Calculate the Nusselt numbers for the following:A gas flow (Prandtl number, Pr = 0.71, dynamic viscosity, μ = 4.63 x 10-5. andkgmsspecific heat, Cp = 1.175 kJ/kgK) over a turbine blade of chord length 20 mm, wherethe average heat transfer coefficient is 1000 W/m².K.

Given data: Prandtl Number = Pr = 0.71 Dynamic viscosity = µ = 4.63 x 10-5 kg/ms Specific heat =…

Explain the physical significance of the Nusselt. Calculate the Nusselt numbers for the following: A gas flow (Prandtl number, Pr = 0.71, dynamic viscosity, u = 4.63 x 10-5. and kg ms. specific heat, cp = 1.175 kJ/kgK) over a turbine blade of chord length 20 mm, where the average heat transfer coefficient is 1000 W/m².K.

Explain the physical significance of the Nusselt. Calculate the Nusselt numbers for the following: A gas flow (Prandtl number, Pr = 0.71, dynamic viscosity, u = 4.63 x 10-5. and kg ms. specific heat, cp = 1.175 kJ/kgK) over a turbine blade of chord length 20 mm, where the average heat transfer coefficient is 1000 W/m².K.

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

Similar questions

Please answer and explain, steps,formula used in solving the problem. Thanks ?
(Q)A pump running at 1,440 rpm has to support a load of 10 kN. Journal diameter is 130 mm. Design a suitable Finite hydrodynamic journal bearing (L/D=1) with radial clearance of 0.065mm. The inlet oil film temperature is 450C. Calculate the bearing characteristics and the required heat dissipation. *
Please write down a related Average Nusselt number equation for each case. (Do not calculate) Laminar flow SCHEMATIC: Air 4∞ = 2 m/s Top = 25°C p = 1 atm w= 0.2 m L=25 AL 0.25 m T = 500 °C ASSUMPTIONS: (1) Top surface is smooth, (2) Bottom surface is adiabatic, (3) Critical Reynolds number is 5 × 105, (4) Negligible radiation.
Q1/ Consider the following fluids, each with a velocity of u = 9 m/s and a temperature of 10°C, in cross flow over a 10-mm diameter cylinder maintained at 50°C. Calculate the rate of heat transfer per unit length for saturated water? ***** 2 Satu Dety PP Liquid 3149 9920 4.246 996.0 528 9040 7.354 902.1 393 9901 Nu 0.3+1 Endalay Specific Heal Veputation 0.62 Re2 Pro [1 + (0.4/Pypa[1+ (282,000) aper 0.0231 2402 4180 00304 4378 0.0397 2419 4178 0.0612 2407 4179 00655 2335 4180 tree Thermal Coductivity THAY Liquid Vapor Le Dynamic Vacosity 1870 Vapor Liquid 0607 0.0186 0110 0.90710 1875 0615 0.0169 0.796 101 100110 1880 BAZ3 0.0192 0720x10 1016 10 1825 0.631 0.5196 0653x10 103150 1832 0437 0.0000 0596x10104610 Fran www. Lignon A'IN Ligad Vaper 614 1.00 0.24710 542 100 0234-10 4.83 1.00 0.337x10 4.32 100 0377x10 191 100 0415-10
(1) Experiments show that in a slightly Viscorur flund at on a молод high speeds the drag force fo exerted on body depends on several parametes. An engineer assumes that the drag force fo is a functon of the budy width normal to the upstream Velocity, I upstream Velouty, ✓, the upstream flud veElucay P viscosity, M, speed of sound, I and the airfoils surface roughnars. " use the Buckingham ♬ Theorem to determine the functional dependence of to on non-dimensional flow similarity parameters (2:) Lot the transition to turbulence occur when I = 1.01m, V= 1·01m/s and M₁P = 1:01·10⁰5 m² s. Calculate the transchen Reynolds number, Retrains.
Questions: 1. Explain the physical meaning and equation of Reynolds number, Nusselt number, Biot number, Prandtl number ?
An isothermal long cylinder with square (side of 0.4 m and diagonal of 0.5657 m) cross-section is placed in a flow with a velocity of 1 m/s as shown. The properties of the fluid are: kinematic viscosity is 1.38 x 10-5 m²/s, thermal conductivity is 0.024 W/m.°C, and Prandtl number is 0.73. What is the average Nusselt number for the flow? 1253 a Figure 1: Flow configuration for Problem 6. The dimensions are: a=0.4 m, b=0.5657 m
How to calculate permeability according to silica bead characxteristics without knowing pressure drop? silica diameter: 2.5mm Inlet mass flow rate: 0.3m^2/min Inlet Temperature: -10 degree C
Please help class is heat transfer, will rate question. Show all steps and equations used, thank you.
Q3
Please explain clearly I don't want answer choice only
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