Find the total heat loss from a room in units (1 unit = 1 kWh); the...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
Find the total heat loss from a room in units (1 unit = 1 kWh); the U-values and surface areas of the different elements are given in the Table 1. The inside and outside air temperatures are 10 °C and 0 °C respectively. The ground temperature is 5 °C. Please consider following information for room volumetric specific heat capacity of air (Cv)= 1212 J/m³K number of air changes per hour (N) = 2 per hour volume of the room (V) = 150 m³ Table 1. U-values and surface areas of the different elements of a room. U-Value Area (m²) (W/m²K) 0.35 68.0 2.2 3.3 1.9 11.7 0.25 55.0 0.25 55.0 Element Walls Doors Windows Floor Roof Find the total heat loss from a room in units (1 unit = 1 kWh); the U-values and surface areas of the different elements are given in the Table 1. The inside and outside air temperatures are 10 °C and 0 °C respectively. The ground temperature is 5 °C. Please consider following information for room volumetric specific heat capacity of air (Cv)= 1212 J/m³K number of air changes per hour (N) = 2 per hour volume of the room (V) = 150 m³ Table 1. U-values and surface areas of the different elements of a room. U-Value Area (m²) (W/m²K) 0.35 68.0 2.2 3.3 1.9 11.7 0.25 55.0 0.25 55.0 Element Walls Doors Windows Floor Roof
Expert Answer:
Related Book For
Posted Date:
Students also viewed these chemical engineering questions
-
A simple harmonic oscillator's velocity is given by vy(t) = (0.870 m/s)sin(11.2t - 6.25). Find the oscillator's position, velocity, and acceleration at each of the following times. (Include the sign...
-
Some recent financial statements for Smolira Golf Corporation follow. Assets SMOLIRA GOLF CORPORATION 2020 and 2021 Balance Sheets 2021 Liabilities and Owners' Equity Current liabilities Accounts...
-
a. Example 13-1: Batch Reactor with an Exothermic Reaction Wolfram 1. Adiabatic Case: Use Wolfram to see whether you can find a trajectory that is ready to ignite and whose trajectory looks like a...
-
Correction, overproduction, inventory and motion are all examples of: a. Waste b. 5 S target areas c. Noise d. Value-added activities
-
The distribution of the number of mites conditional on 0, 1, and 2 lice. How different are the conditional distributions, and would they lead you to suspect that the two pests do not act...
-
What are the main categories of government spending? What are the main categories of government revenue?
-
Accounts Receivable Balance} Ray's beginning and ending accounts receivables balances are \(\$ 147,990\) and \(\$ 142,720\), respectively. Ray's sold \(\$ 3,745,060\) of merchandise, of which \(50...
-
Proprietary Fund Financial Statements. Von County has prepared the following statement of revenues, expenses, and changes in fund net assets for its proprietary funds. The county has three enterprise...
-
Imagine you have completed your bachelors degree at Strayer and you are searching for a job in finance, accounting or business. Using various employment websites (i.e. Monster.com, Indeed.com,...
-
Sports Performance Increased (BPI) Ltd. is a relatively new company that created various sports apps designed for athletes. These apps can be downloaded onto a mobile device and assist users in...
-
Transportation in the North Access to safe, reliable, and sustainable transportation is essential to all Northern Territories residents, communities, businesses, industries, and visitors....
-
(a) Give a list of the common applications of planetary gear trains. Describe the working of the dif- ferential mechanism of a motor car. (b) In the planetary gear train shown in Fig.15.37, gear 1...
-
3. What tax incentive(s) would cause CNG vehicles to have the least cost? Same for Electric.
-
When choosing a new or another WAN provider, how important should cloud connectivity be in terms of supporting the current business you do or how important it will be in the near future for your...
-
(a) First perform a multiple regression with all the variables, what can you say about the significance of the variables based on only the p-values. Next use the "step" function to perform backward...
-
1) Two stars separated by a large distance have some force of attraction between them. If the distance between the stars then triples, assuming the masses of the stars are kept the same, what happens...
-
Superior Markets, Incorporated, operates three stores in a large metropolitan area. A segmented absorption costing Income statement for the company for the last quarter is given below: Sales Cost of...
-
If the cylinder described in Problem 21.3 were initially heated to 500F, how long would it take for the center of the cylinder to cool to 240F if it were constructed of a. Copper? b. Brass? c. Nickel?
-
Given the following synthesis of ethyl 3-chloro-3-methylbutanoate, fill in the missing intermediates or reactants. CH3-CH-CH -CH-OH T CH3 CH3 (a) CH3 -CH-CH-C-0-CH-CH3 (b) CH3 CH3-C-CH-C-0-CH-CH3
-
Explain why atomic radius decreases as you move to the right across a period for main-group elements but not for transition elements.
-
Explain why water drops are spherical in the absence of gravity.
-
The foreign project's cash flows have to be converted to U. S. dollars, since the shareholders of the U. S. corporation (assuming they are mainly U. S. residents) are interested in dollar returns....
-
Purchasing power parity assumes there are neither transaction costs nor regulations which limit the ability to buy and sell goods across different countries. In many cases, these assumptions are...
-
a. Our suppliers switch from delivering by train to air freight. b. We change from producing just in time to meet seasonal sales to steady, year-round production. c. Competition in the markets in...
Study smarter with the SolutionInn App