Air at 10°C and 1 atm is flowing parallel at a velocity of 15.5 m/s over the top flatsurface of copper plate. The top surface of the copper plate is 0.03m by 0.03msquare. The temperature of copper plate is uniform at 65.6°C. For laminar flow,calculate the dimensionless Reymolds number (Nre) and Nussel number (NNu).Table A.3-3a. Physical Properties of Air at 101.325 kPa (1 Atm Abs), SIUnitsBx (Bp²/1?)T(kJ/kg · u x T (Pa ·s, k (W/m103(1/K •(°C) T (K) (kg/m³) K)-17.8255.41.379 1.0048 1.62 × 6sor kg/m · s) · K) Npr (1/K) m³)0.022500.7203.92 2.79 x108O 273.21.293 1.0048 1.72 × (0-50.024230.7153.65 2.04 ×10810.0 283.21.246 1.0048 1.78 ×/00.024920.7133.53 1.72 x10837.8 311.01.137 1.0048 1.90%/0-S0.027000.7053.22 1.12 x108Select one:O A. NRe = 27826.58; NNu =98.58O B. NRe = 23215.74; NNu =152.68O C. NRe = 27826.58; NNu = 152.68O D. NRe = 23215.74; NNu =98.58

From the given table, the values for T= 283.21 K is as: Density, ρ =1.246 kg/m3V =15.5 m/sx= 0.03 mμ…

Air at 10°C and 1 atm is flowing parallel at a velocity of 15.5 m/s over the top flat surface of copper plate. The top surface of the copper plate is 0.03m by 0.03m square. The temperature of copper plate is uniform at 65.6°C. For laminar flow, calculate the dimensionless Reymolds number (Nge) and Nussel number (Nnu).

Air at 10°C and 1 atm is flowing parallel at a velocity of 15.5 m/s over the top flat surface of copper plate. The top surface of the copper plate is 0.03m by 0.03m square. The temperature of copper plate is uniform at 65.6°C. For laminar flow, calculate the dimensionless Reymolds number (Nge) and Nussel number (Nnu).

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: Air at 30oC (density=1.165 kg/m3, kinematic viscosity = 16x10-5 m2/s) flows over a flat plate at a…

A: Given:Air temperature, T=30oCAir density, ρ=1.165 kg/m3Kinematic viscosity, ν=16*10-5 m2/sFree…

Q: B A6-mm-diameter electrical transmission line carries an electric current of 50 A and has a…

Q: Air at standard pressure flows across a flat plate at 3m/s. The temperature surface is 50oC and the…

Q: Consider two cases involving parallel flow of dry air at V = 5 m/s, T=45°C, and atmospheric pressure…

Q: Engine oil at 100°C and a velocity of 0.20 m/s flows over both surfaces of a 1-m-long flat plate…

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

Q: Air with free stream temperature of 10 C is flowing over a flat plate (1.5m long and Im wide). The…

Q: A thin, flat plate that is 0.2 m × 0.2 m on a side with rough top and bottom surfaces is placed in a…

A: Given-Information: V=30m/sT∞=20°CTs=80°CQ=2200W To-Determine: Drag Force.

Q: A liquid is entering a 10 m long pipe of 0.2 m diameter at 25°C with an average velocity of 0.02…

Q: ttempt please

A: Given-Information:- Vair craft = 120 m/sTair = -8°CTwing = 8°CLc = 2.1 mcf = 0.002h = 12,000 ftp =…

Q: What is the physical significant of prandtl number? Question does the value of the prandtl number…

A: Prandtl Number:It is the ratio of kinematic viscosity to the thermal diffusivity.Mathematically,

Q: Air at standard pressure flows across a flat plate at 3m/s. The temperature surface is 50oC and the…

Q: Consider airflow over a flat plate of length L = 1 m. a) Evaluating the thermophysical properties of…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: An object of characteristic length Z = 0.5 m is 10°C warmer than the surrounding fluid, which is…

A: 1. Reynolds number:Write expression for Reynolds number. ...... (1)Here V is fluid…

Q: Air at 295 K flows at 3 m/s over a flat plate at 390 K. The air properties are as follows: density…

A: The objective of the question is to find the distance from the leading edge where the flow becomes…

Q: Determine the maximum allowable uniform heat flux, in W/m², that may be imposed at a wall heating…

A: To Find : The maximum allowable uniform heat flux Given : The ambient temperature is TThe maximum…

Q: Calculate the heat transfer from a 60 cm x 60 cm plate on which air flows at 40 C and. The plate…

Q: Exhaust gases at 1 atm and 300°C are used to preheat water in an industrial facility by passing them…

Q: A flat plate of width 1 m and length 0.22 m is maintained at a temperature of 32°C. Ambient fluid at…

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

Q: Calculate the convective heat transfer rate via the top and the two side walls of a refrigerated box…

A: To find: The convective heat transfer rate. Given: The dimension of trailer are 16×2.6×4.1 m. The…

Question

Air at 10°C and 1 atm is flowing parallel at a velocity of 15.5 m/s over the top flat
surface of copper plate. The top surface of the copper plate is 0.03m by 0.03m
square. The temperature of copper plate is uniform at 65.6°C. For laminar flow,
calculate the dimensionless Reymolds number (Nre) and Nussel number (NNu).
Table A.3-3a. Physical Properties of Air at 101.325 kPa (1 Atm Abs), SI
Units
Bx (Bp²/1?)
T
(kJ/kg · u x T (Pa ·s, k (W/m
103
(1/K •
(°C) T (K) (kg/m³) K)
-17.8255.41.379 1.0048 1.62 × 6s
or kg/m · s) · K) Npr (1/K) m³)
0.022500.7203.92 2.79 x
108
O 273.21.293 1.0048 1.72 × (0-5
0.024230.7153.65 2.04 ×
108
10.0 283.21.246 1.0048 1.78 ×/0
0.024920.7133.53 1.72 x
108
37.8 311.01.137 1.0048 1.90%/0-S
0.027000.7053.22 1.12 x
108
Select one:
O A. NRe = 27826.58; NNu =98.58
O B. NRe = 23215.74; NNu =152.68
O C. NRe = 27826.58; NNu = 152.68
O D. NRe = 23215.74; NNu =98.58

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

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Fick’s Law of Diffusion and Mass Transfer

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 liquid is entering a 10 m long pipe of 0.2 m diameter at 25°C with an average velocity of 0.02 m/s. The pipe is kept at a constant surface temperature of 40°C. Assume the flow is both hydrodynamically and thermally fully-developed in the pipe. Find out the outlet temperature. Justify if the assumption of fully-developed flow is appropriate. The properties of the fluid can be assumed constant with following values Density: 484.2 kg/m³; Specific heat capacity: 2802 J/kg.K; Thermal conductivity: 0.0904 W/m.K; Dynamic viscosity: 9.197 × 10-5 kg/m.s; Prandtl number: 2.85. 29.3 °C
Air at 295 K flows at 3 m/s over a flat plate at 390 K. The air properties are as follows: density =1.1 kg/m3, viscosity =18.1×10−6 Pa.s, specific heat capacity =1005 J/kgK, and thermal conductivity =0.024 W/mK. The velocity and temperature profiles are assumed to be linear, giving the local Nusselt number to be Nux = 0.289 Rex1/ 2Pr1/3. The flow will become turbulent at a Reynolds number of 5×105. Assume the width of the plate perpendicular to the air flow is 1 m. At what distance from the leading edge does the flow become turbulent? ________m What is the heat transfer at the point of transition? ___________W What is the total heat transfer along the length of the plate where the flow is laminar? __________W
i need the answer quickly
Air stream at 1 atm flows with a velocity of 2 m/s, in parallel over a 3 m long square flat plate, placed on ground, where there is an unheated starting length of 1 m. The air stream has a temperature of 20 °C and the heated section of the flat plate is maintained at a constant temperature of 80 °C. Determine the local heat transfer coefficient at trailing edge and average convection heat transfer coefficient for the heated section. Also calculate the heat loss by convection. Determine the average friction coefficient and wall shear stress and drag force.
Air is flowing at 35°F with a velocity of 12 ft/s over a plate 10 ft long and 2 ft wide. The plate is at room temperature. Determine the coefficients of local friction, heat transfer coefficient and heat transfer rate of the plate at 1 ft intervals along the length. Plot on the same graph the results as a function of distance from the leading edge, the graph will be reviewed. The table of thermal properties of air is on the platform. Report in the following boxes your results for a length of 5 ft.
A plastics plant manufactures larges pieces of plastic by continuously extruding thin sheets.As the sheets flow out of the extruder, they are cooled via forced convection and radiation.The plastic sheets are 1 mm thick, 1 m wide, and leave the extruder at a rate of 9 m/min.A fan blows air over the top and bottom surface of the sheet during the first meter after thesheet leaves the extruder. The fan accelerates the air to 3 m/s and the air is known to be at27°C at the fan outlet. At the exit of the extruder, the plastic is at 90°C. The plastic isestimated to have an emissivity of ? = 0.9 and the general surroundings are at 20°C. A) Determine the rate of heat transfer via convection and radiation from the 1-m-longsection of the plastic sheet that is being force cooled. take the surface temperature to be 90°C overthe entire section of interest. B) The density-specific heat product of the plastic is ?? = 1920 kJ m3– K⁄ . What is thetemperature of the plastic at the end of the cooling…
(b) In turbulent flows contrast the approaches that are used to represent the velocity profile within the boundary layer and comment on any limitations that each may offer.
Air is to be heated by passing it over a bank of 4-m-long tubes inside which steam is condensing at 100°C. Air approaches the tube bank in the normal direction at 20°C and 1 atm with a mean velocity of 5.2 m/s. The outer diameter of the tubes is 0.016 m, and the tubes are arranged staggered with longitudinal and transverse pitches of SL = ST = 0.03 m. There are 20 rows in the flow direction with 10 tubes in each row. Assume the air properties at mean temperature of 35°C and 1 atm. The air properties at the assumed mean temperature of 35°C and 1 atm are k = 0.02625 W/m·K, ρ = 1.145 kg/m3, cp = 1.007 kJ/kg·K, Pr = 0.7268, μ = 1.895 × 10−5 kg/m·s, Prs = Pr@Ts = 100°C = 0.7111. Determine the pressure drop across the tube bank