Numerical Exercise 1. A flat plate is supplied with a constant heat flux of 100 [W/m²] from bottom. The plate has 0.5m2 area and is kept in a room with ambient temperature 20°C. If it has a steady state temperature of 32°C what is the heat transfer coefficient? Ta = 293[K] ģ = h(T, – Ta) Tp = 305[K] %3D ģ = 100 [W /m²]
Numerical Exercise 1. A flat plate is supplied with a constant heat flux of 100 [W/m²] from bottom. The plate has 0.5m2 area and is kept in a room with ambient temperature 20°C. If it has a steady state temperature of 32°C what is the heat transfer coefficient? Ta = 293[K] ģ = h(T, – Ta) Tp = 305[K] %3D ģ = 100 [W /m²]
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
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Question
![%A7
36 l 36.ll
T'UI T'UIltu CulIvtcioII Ovti a llai plalt uut iU NOW Palaliti LU
the plate:
a) Laminar Flow:
0.664RE/2Pr/3
Nu =
a) Turbulent Flow:
Nu = 0.037Re*/5Pr/3
Numerical Exercise
1. A flat plate is supplied with a constant heat flux of 100 [W/m²]
from bottom. The plate has 0.5m2 area and is kept in a room with
ambient temperature 20°C. If it has a steady state temperature of
32°C what is the heat transfer coefficient?
Ta = 293[K]
ģ = h(T, – Ta)
Tp = 305[K]
ģ = 100 [W /m²]
Numerical Exercise
2. The air has the following properties at 27C: Density
[kg.m-3], Dynamic Viscosity
Heat capacity, Cp = 1.005 [kJ.kg-1.K-']. If the thermal conductivity
of air at that temperature is 1= 0.026 [W.m-'.K-'], what is the
average Nusselt Number over a flat plate of dimension 10 cm X
10 cm when air is flowing parallel to its surface with a speed 1
[ms]?
1.18
1.85X10-5 [kg.m-l.s-l], Specific
PVLC
Re =
V = 1 [m/s]
pCp
Pr =
Lc
0.1 [m]
1 1
Nu = 0.664RežPr3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F16015b4b-9636-467f-8997-1bd0ce9fae7c%2F8f599273-098f-423b-af82-4370d231ed04%2Fqap690t_processed.jpeg&w=3840&q=75)
Transcribed Image Text:%A7
36 l 36.ll
T'UI T'UIltu CulIvtcioII Ovti a llai plalt uut iU NOW Palaliti LU
the plate:
a) Laminar Flow:
0.664RE/2Pr/3
Nu =
a) Turbulent Flow:
Nu = 0.037Re*/5Pr/3
Numerical Exercise
1. A flat plate is supplied with a constant heat flux of 100 [W/m²]
from bottom. The plate has 0.5m2 area and is kept in a room with
ambient temperature 20°C. If it has a steady state temperature of
32°C what is the heat transfer coefficient?
Ta = 293[K]
ģ = h(T, – Ta)
Tp = 305[K]
ģ = 100 [W /m²]
Numerical Exercise
2. The air has the following properties at 27C: Density
[kg.m-3], Dynamic Viscosity
Heat capacity, Cp = 1.005 [kJ.kg-1.K-']. If the thermal conductivity
of air at that temperature is 1= 0.026 [W.m-'.K-'], what is the
average Nusselt Number over a flat plate of dimension 10 cm X
10 cm when air is flowing parallel to its surface with a speed 1
[ms]?
1.18
1.85X10-5 [kg.m-l.s-l], Specific
PVLC
Re =
V = 1 [m/s]
pCp
Pr =
Lc
0.1 [m]
1 1
Nu = 0.664RežPr3
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