Question

For a straight, rectangular fin that is 2 cm in length, and 1 cm in thickness,...

For a straight, rectangular fin that is 2 cm in length, and 1 cm in thickness, with a thermal conductivity of 55 W/moC, density = 8000 kg/m3, and a wall temperature of 500oC in an environment where h=50 W/m2oC and Tair = 25oC, what is the heat dissipated from the fin per meter of depth?

Engineering   Chemical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

It is a case of fin with finite length. For this we will be requiring fin perimeter, cross sectional area and characteristic length. The required solutions are provided below.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A fin of rectangular profile has a thermal conductivity of 14 W/m C, thickness of 2.0...
A fin of rectangular profile has a thermal conductivity of 14 W/m C, thickness of 2.0 mm, and length of 23 mm. The base of the fin is maintained at a temperature of 220 o C while the fin is exposed to a convection environment at 23 o C with h=25 W/m2 o C. Calculate heat lost per meter of fin depth for the three tip conditions. (a) Convection, (b) Adiabatic, and (c) T (x=L) = 23 o C.
An aluminum fin 1.6 mm thick surrounds a tube 2.5 cm in diameter. The length of...
An aluminum fin 1.6 mm thick surrounds a tube 2.5 cm in diameter. The length of the fin is 12.5 mm. The tube-wall temperature is 200◦C, and the environment temperature is 20◦C. The heat-transfer coefficient is 60 W/m2 · ◦C. Consider the heat dissipated in a pipe 1.20 m long if the fins are 4.2 mm apart from center to center Explain your procedure with formulas
The extent to which the tip condition affects the thermal performance of a fin depends on...
The extent to which the tip condition affects the thermal performance of a fin depends on the fin geometry and thermal conductivity, as well as the convection coefficient. Consider an alloyed aluminum (k = 180 W/m*K) rectangular fin of length L = 10 mm, thickness t = 1 mm, and width w >> t. The base temperature of the fin is Tb = 100°C, and the fin is exposed to a fluid of temperature T∞ = 25°C. Assuming a uniform...
A stainless-steel fin (k = 16 W/m. °C) has a length of 15 cm and a...
A stainless-steel fin (k = 16 W/m. °C) has a length of 15 cm and a square cross section 12.5 by 12.5 mm attached to a wall maintained at 250 °C. The heat-transfer coefficient is 40 W/m. °C, and the environment temperature is 90 °C. Calculate the percentage increase in heat transfer after attaching the fin.
The initial temperature distribution across a wall with a thickness of 60 cm is described with...
The initial temperature distribution across a wall with a thickness of 60 cm is described with the following function: T(x) = -250x+100x2+ 20x3/ 2x where T is temperature in degrees Celsius and x is the coordinate in meters. The wall has a thermal conductivity of 2.5 W cm-1 K-1. (i)        On a unit surface area basis, determine the heat flux into the wall on the left face. (ii)       On a unit surface area basis, determine the heat flux out of...
A rectangular furnace wall is made of fire clay (Height = 3m, Width = 1.2m, thickness...
A rectangular furnace wall is made of fire clay (Height = 3m, Width = 1.2m, thickness L=0.17m) The temperautre of the inside surface ( area H x W, Tx, is 1592 K,and of the outside surface (area = H x W ), Tc is 1364 K Determine the temperature gradient Determine the heat transfer rate Determine the heat transfer flux Determine thermal resistance
A thin metallic wall may be constructed using copper (properties are given in the table). The...
A thin metallic wall may be constructed using copper (properties are given in the table). The piping is required to have a radius r = 0.008 m and carries steam at 385 K. The wall is inside a room surrounded by air at a temperature of 298 K. The wall is insulated with a material (properties are given in the table). Properties Copper Insulation material Thermal Conductivity (W/m per ˚C) 385 0.071 Density (kg/m3) 8940 453 i. If the external...
A carpenter builds an exterior house wall with a layer of wood 3.0 cm thick on...
A carpenter builds an exterior house wall with a layer of wood 3.0 cm thick on the outside and a layer of Styrofoam insulation 2.2 cm thick on the inside wall surface. The wood has a thermal conductivity of 0.080 W/(m⋅K), and the Styrofoam has a thermal conductivity of 0.010 W/(m⋅K). The interior surface temperature is 16.0 ∘C, and the exterior surface temperature is -11.0 ∘C. Part A What is the temperature at the plane where the wood meets the...
Consider a large uranium plate of thickness 5 cm and thermal conductivity k = 28 W/m...
Consider a large uranium plate of thickness 5 cm and thermal conductivity k = 28 W/m K in which heat is generated uniformly at a constant rate of q˙ = 6 × 10^5 W/m^3 . One side of the plate is insulated while the other side is subjected to convection in an environment at 30◦C with a heat transfer coefficient of h = 60 W/m2 K. Considering six equally spaced nodes with a nodal spacing of 1 cm, (a) Sketch...
An 80.0 cm × 1.25 m glass window has a thickness of 2.34 mm. If the...
An 80.0 cm × 1.25 m glass window has a thickness of 2.34 mm. If the indoor temperature is 22.0°F and the outdoor temperature is 98.5°F, What is the rate at which heat is conducted through the glass in this window? (thermal conductivity of glass is 0.75 W/(m•K))
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT