Calculate the overall heat-loss coefficient for a solar, Ask an Expert

Academics

Calculate the overall heat-loss coefficient for a solar collector with a single glass cover having the following specifications (neglect edge effects):

Spacing between the plate and the cover 5 cm

Plate emittance 0.2

Glass emittance 0.88

Ambient air temperature 283 K

Back insulation thickness 3 cm

Conductivity of back insulation material 0.04 W/(m.K)

Mean plate temperature 340 K

Collector tilts 45°

Wind - heat transfer coefficient 10 W/(m².K)

View complete question

Physics, Academics

Category:- Physics
Reference No.:- M9523355

Have any Question?Write your Review or question?

Related Questions in Physics

Speedy mike driving at 320 ms enters a one-lane tunnel he

Speedy Mike, driving at 32.0 m/s enters a one-lane tunnel. He then observes a slow-moving van 160m ahead traveling at 5.50 m/s. Mike applies his brakes but can accelerate only at -1.50 m/s^2 because the road is wet. Will ...

Question a sled of mass m is being pulled horizontally by a

Question: A sled of mass m is being pulled horizontally by a constant horizontal force of magnitude F. The coefficient of kinetic friction is Îk. During time interval t, the sled moves a distance s, starting from rest. P ...

A rock takes 21 s to hit ground when it is thrown straigh

A rock takes 2.1 s to hit ground when it is thrown straigh up from a cliff with initial velocity of 7.5 m/s. Calculate height of the cliff in m & length it would take to reach the ground if thrown down with same speed.

Question an object of mass m is traveling on a horizontal

Question: An object of mass m is traveling on a horizontal surface. There is a coefficient of kinetic friction Âµ between the object and the surface. The object has speed v when it reaches x=0 and encounters a spring. Th ...

Question a proton with a rest mass Question: A proton (with a rest mass

Question: A proton (with a rest mass m=1.67Ã-10âˆ'27kg) has a total energy that is 4.00 times its rest energy. a. What is the kinetic energy Ek of the proton? Express your answer in billions of electron volts to three si ...

Question part a what focal length does the lens need assume

Question: Part A: What focal length does the lens need? Assume that it is a thin lens. Part B: How far should you place the lens from the slide? The response must be typed, single spaced, must be in times new roman font ...

Jimmy is trying to synchronize two clocks on the roof of

Jimmy is trying to synchronize two clocks on the roof of two buildings. The master clock is located at (x,y,z)=(0m, 0m, 80m), the slave clock is located at ( 200m, 300m, 30m). When the master clock ticks at t=0 s, it pro ...

Question the pressure at the top of the water in a citys

Question: The pressure at the top of the water in a city's gravity-fed reservoir is 1.0 x 105N/m2. Part A: Determine the pressure at the faucet of a home 39 m below the reservoir. Express your answer to two significant f ...

Question youre driving down the highway late one night at

Question: You're driving down the highway late one night at 16 m/s when a deer steps onto the road 35 m in front of you. Your reaction time before stepping on the brakes is 0.50 s, and the maximum deceleration of your ca ...

Question a sump pump used to drain water from the basement

Question: A sump pump (used to drain water from the basement of houses built below the water table) is draining a flooded basement at the rate of 0.55 L/s, with an output pressure of 2.9 Ã- 105 N/m2. a) The water enters ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Physics Expert