Obtain a relation for the time required for a lumped system to reach the average temperature 1/2

Question:

Obtain a relation for the time required for a lumped system to reach the average temperature 1/2 (T_i + T_∞), where T_i is the initial temperature and T_∞ is the temperature of the environment.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals of Thermal-Fluid Sciences

ISBN: 978-0078027680

5th edition

Authors: Yunus A. Cengel, Robert H. Turner, John M. Cimbala

See More Books

Question Posted: Dec 04, 2018 05:21 AM

See More Questions

The density of atmospheric air varies with elevation, decreasing with increasing altitude. (a) Using the data given in the table, obtain a relation for the variation of density with elevation, and...
The velocity of a liquid flowing in a circular pipe of radius R varies from zero at the wall to a maximum at the pipe center. The velocity distribution in the pipe can be represented as V(r), where r...
Obtain a relation for the second-law efficiency of a heat engine that receives heat QH from a source at temperature TH and rejects heat QL to a sink at TL, which is higher than T0 (the temperature of...
The number of hours of daylight that occur at any location on Earth depends on the time of year and the latitude of the location. The equations below model the numbers of hours of daylight in Seward,...
Suppose x, y, and z are into variables and w and t are double variables. What value is assigned to each of these variables after the last statement executes? x = 17; y = 15; x = x + y / 4; z = x % 3...
(a) Kiele Company sells three different categories of tools (small, medium, and large). The cost and fair value of its inventory of tools are as follows. Determine the value of the company?s...
The chapter indicated that joint costing is used to value inventory and report earnings. Explain at least two other situations when the method of joint-cost allocation could have an impact on...
Florida Power & Light (FP&L) Company has enjoyed a reputation for quickly fixing its electric system after storms. However, during the hurricane seasons of 2004 and 2005, a new reality was that the...
Have a problem that need step by step instructions on how to calculate federal income tax per period for MJ Fisher and TIllman Moravanti Italian Imports has four employees and pays biweekly. Assume...
Design a two players game of stack using C++ or Python as follows: two players are given n numbers as input and a stack to store these numbers. Initially, players push all input numbers into their...
A brick of 203 102 57 mm in dimension is being burned in a kiln to 1100C, and then allowed to cool in a room with ambient air temperature of 30C and convection heat transfer coefficient of 5 W/m 2...
Obtain relations for the characteristic lengths of a large plane wall of thickness 2L, a very long cylinder of radius r o , and a sphere of radius r o .
Evaluate each expression using the functions a. (g(0)) b. g((3)) c. g(g(-1)) d. ((2)) e. g((0)) f. (g(1/2)) f(x) = 2x, g(x) = -X x - 1, -2x0 0x 2.
Perhaps we need a way to differentiate ourselves from the competition? Is it possible that we are dividing the customer's time too much? Does this mean that we should instead look to attract more...
Complete these answers with full paragraph sentences. 1)What are the Mission, Vision, & Values of the Palo Alto Network? 2) What are the Four Functions of Management Planning, Organizing, Leading, &...
One highly visible trait of a successful leader is that of role model: behavior exhibited by a leader is carefully observed and often sets the tone for the entire center. As a role model, it is...
Design a flowchart that illustrates the key processes and decision points within the custom leadership system, along with the various inputs and outputs. At the center of the flowchart is the leader,...
Prepare a sample memo to those that have been selected to serve on the "Bulletin 1" committee. Remind them of their charge and outline a calendar of meetings. Lastly, include a list of resources. ...
Journalize the following sales transactions for Tomas Sportswear. Explanations are not required. The company estimates sales returns at the end of each month. Jul. 1 5 Tomas sold $21,000 of men's...
Determine the optimal use of Applichem's plant capacity using the Solver in Excel.
For the data given in Problem 1: a. Plot the scaled frequency histogram. b. Compute the mean and standard deviation and use them to estimate the lower and upper limits of gas mileage corresponding to...
Chemists and engineers must be able to predict the changes in chemical concentration in a reaction. A model used for many single-reactant processes is Rate of change of concentration = -kC n where C...
For the data given in Problem 2: a. Plot the scaled frequency histogram. b. Compute the mean and standard deviation and use them to estimate the lower and upper limits of strength corresponding to 68...
Current Attempt in Progress On July 3 1 , 2 0 2 2 , Crane Compary had a cash balance per books of $ 6 , 2 4 5 . 0 0 . The statement from Dakata State Bark on that date showed a balance of $ 7 , 7 9 5...
Cede & Co. expects its EBIT to be $89,000 every year forever. The firm can borrow at 5 percent. Cede currently has no debt, and its cost of equity is 10 percent. If the tax rate is 35 percent, what...
In the Marriott example, one discussion point considered when a firm might use a single hurtle rather than different divisional or business unit rates. When a single rate is used and the divisions...

Obtain a relation for the time required for a lumped system to reach the average temperature 1/2

Question:

Step by Step Answer:

A relation for the time period for a lumped system to reach the ...View the full answer

Fundamentals of Thermal-Fluid Sciences

Students also viewed these Physics questions