Ask
Login
TAGGED IN

Heat Transfer

Follow this tag to get notifications whenever a new post is added

ALL TAGS
0
votes
1
answer
2.6k
views
1
answer
Determine Capacity ratio, NTU and effectiveness if the overall heat transfer coefficient is $300 W/m^2K4.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
6.3k
views
1
answer
Derive an expression for shape factor in the following cases
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
2.2k
views
1
answer
One side of metallic plate absorbs a heat flux of 1000 Wm2. Its other side is insulated.The emissivity of surface is 0.8 and convective heat transfer coefficient is 20 Wm2K
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
1.9k
views
1
answer
Find the duct wall temperature.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
2.9k
views
1
answer
10mm OD pipe carries a cryogenic fluid at 80K.This pipe is encased by another pipe of 15mm OD and the space between them is evacuated.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
4.4k
views
1
answer
Determine heat lost by radiation per meter length of 80 mm diameter pipe at 300deg C, if
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
17k
views
1
answer
What is radiation shield?
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
5.6k
views
1
answer
The net radiation from the surfaces of two parallel plates maintained at temperature T1 and T2 is to be reduced by 79 times.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
1
vote
1
answer
7.2k
views
1
answer
Show that the radiant heat transfer between two infinitely large parallel plates seprated by n shield is
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
9.3k
views
1
answer
A filament of 75 W Light bulb may be considered as black body radiating into a black enclosure of 70deg C
heat transfer updated 4.9 years ago by teamques10 ★ 69k
3
votes
1
answer
17k
views
1
answer
Prove that total emissive power of black surface is π times the intensity of radiation.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
1
vote
1
answer
6.3k
views
1
answer
Distinguish between specular and diffuse radiation.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
20k
views
1
answer
Define: Radiosity and Irradiation.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
5.0k
views
1
answer
What is the mode of heat transfer in vacuum? Define absorptivity, reflectivity and transmissivity.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
6.9k
views
1
answer
Define the natural convection and state few practical examples of it.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
1
vote
1
answer
20k
views
1
answer
What is thermal Boundary Layer? Illustrate the same with the help of a neat diagram.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
1
vote
1
answer
3.1k
views
1
answer
Write a short note on: Heat pipe.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
2.4k
views
1
answer
With the help of Buckingham π-theorem show that for a forced convection
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
1.1k
views
1
answer
Air at 200 degC and at velocity of 2 m/s over a plate maintained at 1000degC. The length and width of the plate are 800 mm and 400mm resp. using exact solution; calculate the heat transfer rate from.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
3
votes
1
answer
5.3k
views
1
answer
Determine heat loss per meter length of duct corresponding to unit temperature difference.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
2.4k
views
1
answer
Calculate steady state heat loss from the door.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
4.3k
views
1
answer
Explain Reynolds analogy.
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
12k
views
1
answer
Explain physical significance of the Reynolds number and Prandtl number
heat transfer updated 4.9 years ago by teamques10 ★ 69k
0
votes
1
answer
9.8k
views
1
answer
Significance of dimensionless numbers used in heat transfer by convection
heat transfer updated 4.9 years ago by teamques10 ★ 69k
3
votes
1
answer
19k
views
1
answer
Show by dimensional analysis for forced convection,
heat transfer updated 4.9 years ago by teamques10 ★ 69k
<prev • 87 results • page 2 of 4 • next >