Evaluate air properties at a given film temperature

Assignment Help Computer Engineering
Reference no: EM131617189

Question: A manufacturer makes absorber plates that are 1.2 m × 0.8 m in size for use in solar collectors. The back side of the plate is heavily insulated, while its front surface is coated with black chrome, which has an absorptivity of 0.87 for solar radiation and an emissivity of 0.09. Consider such a plate placed horizontally outdoors in calm air at 25°C. Solar radiation is incident on the plate at a rate of 600 W/m2 . Taking the effective sky temperature to be 10°C, determine the equilibrium temperature of the absorber plate. What would your answer be if the absorber plate is made of ordinary aluminum plate that has a solar absorptivity of 0.28 and an emissivity of 0.07? Evaluate air properties at a film temperature of 70°C and 1 atm pressure. Is this a good assumption?

263_1.jpg

Reference no: EM131617189

Questions Cloud

Mutual fund is the best way to reduce exposure to risk : Investing in a well diversified mutual fund is the best way to reduce exposure to risk.
Determine the outer surface temperature of the pipe : Hot water is being transported in a horizontal pipe (k = 0.15 W/m·K, Di = 2.5 cm, Do = 4.5 cm), where the pipe inner surface temperature is at 100°C.
Determine the required electrical power : A circular grill of diameter 0.25 m has an emissivity of 0.8. If the surface temperature is maintained at 150°C, determine the required electrical power.
Literature review - business innovation through open data : Find below list of the potential business research topics that you can focus on when you doing your research topics - Business Innovation Through Open Data
Evaluate air properties at a given film temperature : A manufacturer makes absorber plates that are 1.2 m × 0.8 m in size for use in solar collectors. The back side of the plate is heavily insulated.
What is the economic value added for firm : What is the economic value added for firm A?
What is the value of the cd when it matures : Bill Casler bought a $1000, 9-month certificate of deposit (CD) that would earn 8% annual simple interest. What is the value of the CD when it matures?
Make communication more effective : keeping up with technology is essential in your job and your department could really benefit from a new tool to make communication more effective.
One-month sterling T-bill paying : In April 2016, an FI bought a one-month sterling T-bill paying £100 million in May 2016. How many options should the FI purchase, and what will be the cost?

Reviews

Write a Review

Computer Engineering Questions & Answers

  Developing a pseudocode and the flowchart

Develop a flowchart or puesdocode that carry out the following task:. a) Begin the program. b) Declares the strings. c) Accept an input studentname.

  Explaining the role of cio

Assess the role of CIO within any health care organization and explain the key characteristics a CIO would require to possess to be effective in that position.

  Write design objective of memory hierarchy

Write a design objective of memory hierarchy in parallel processing system and multiprogrammed uniprocessor system.

  Why timer-counter comparison circuit can wait for comparison

Explain why the timer/counter comparison circuit in Figure can wait for a comparison up to 2 counter clock cycles away even though the counter overflows.

  Explain would you object to the given approach

She claims that you could also eliminate your SAN and connect the client computers directly to the disk array. Would you object to this approach? Explain.

  Describe one application relevant for ig based energy system

IGs need dc-ac, ac-dc, and ac-ac converters. Describe one application, relevant for IG-based energy system, for each of those power conversions.

  Generate a 16 dimensional codebook of size 64

Generate a 16-dimensional codebook of size 64 for the Sena image. Construct the vector as a 4 x 4 block of pixels, an 8 x 2 block of pixels, and a 16 x 1 block of pixels.

  Make a program to transfer the same file from client side

In this project, you are required to make a program to transfer the same file from client side to server side for one hundred times with TCP/UDP protocol.

  Design an algorithm to generate

plan an algorithm to generate the sequence of positive integers (in increasing order) whose only prime divisors are 2 and 3; that is, your program should produce the sequence 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27.

  Write a simple computer program to evaluate a function

CS 109 - C/C ++ Programming for Engineers w. MatLab- Spring 2016 Assignment. For this assignment you are to write a simple computer program to evaluate a function of 2 variables over a range of input values, using one- and two-dimensional arrays.  ..

  Description of problems and business impacts

Description of problems and business impacts

  Draw the memory mar and mbr configurations

Four of the 32 pages of the memory of Problem must be accessible at any time. Four auxiliary 5-bit registers, each containing a page address.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd