
Introduction to Heat Transfer
6th Edition
ISBN: 9780470501962
Author: Frank P. Incropera, David P. DeWitt, Theodore L. Bergman, Adrienne S. Lavine
Publisher: Wiley, John & Sons, Incorporated
expand_more
expand_more
format_list_bulleted
Question
Chapter 1, Problem 1.69P
To determine
The average temperature reached by heat sink when device dissipate
Expert Solution & Answer

Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
where M1=0.41m, M2=1.8m, M3=0.56m, please use bernoulis equation where necessary and The solutions should include, but not be limited to, the equations used tosolve the problems, the charts used to solve the problems, detailed working,choice of variables, the control volume considered, justification anddiscussion of results etc.If determining the friction factor, the use of both Moody chart and empiricalequations should be used to verify the validity of the value.
Q3. The attachment shown in Fig.2 is made of 1040 HR. Design the weldment
(give the pattern, electrode number, type of weld, length of weld, and leg size).
All dimensions in
mm
120
Fig.2
12
17
b =7.5
5 kN
60
60°
15 mm
DA
100 mm
50 mm
Assuming the load applied P 80 kN. Determine the
maximum stress in the bar shown assuming the diameter of the
whole A is DA = 25 mm.
Chapter 1 Solutions
Introduction to Heat Transfer
Ch. 1 - The thermal conductivity of a sheet of rigid,...Ch. 1 - The heat flux that is applied to the left face of...Ch. 1 - A concrete wall, which has a surface area of 20m2...Ch. 1 - The concrete slab of a basement is 11 m long, 8 m...Ch. 1 - Consider Figure 1.3. The heat flux in the...Ch. 1 - Prob. 1.6PCh. 1 - The inner and outer surface temperatures of a...Ch. 1 - A thermodynamic analysis of a proposed Brayton...Ch. 1 - A glass window of width W=1m and height H=2m is 5...Ch. 1 - Prob. 1.10P
Ch. 1 - The heat flux that is applied to one face of a...Ch. 1 - Prob. 1.12PCh. 1 - Prob. 1.13PCh. 1 - Prob. 1.14PCh. 1 - The 5-mm-thick bottom of a 200-mm-diameter pan may...Ch. 1 - Prob. 1.16PCh. 1 - For a boiling process such as shown in Figure...Ch. 1 - You've experienced convection cooling if you've...Ch. 1 - Prob. 1.19PCh. 1 - A wall has inner and outer surface temperatures of...Ch. 1 - An electric resistance heater is embedded in a...Ch. 1 - Prob. 1.22PCh. 1 - A transmission case measures W=0.30m on a side and...Ch. 1 - Prob. 1.24PCh. 1 - A common procedure for measuring the velocity of...Ch. 1 - Prob. 1.26PCh. 1 - Prob. 1.27PCh. 1 - Prob. 1.28PCh. 1 - Prob. 1.29PCh. 1 - Prob. 1.30PCh. 1 - Prob. 1.31PCh. 1 - Prob. 1.32PCh. 1 - Prob. 1.33PCh. 1 - Prob. 1.34PCh. 1 - An electrical resistor is connected to a battery,...Ch. 1 - Pressurized water pin=10bar,Tin=110C enters the...Ch. 1 - Consider the tube and inlet conditions of Problem...Ch. 1 - An internally reversible refrigerator has a...Ch. 1 - A household refrigerator operates with cold- and...Ch. 1 - Chips of width L=15mm on a side are mounted to a...Ch. 1 - Consider the transmission case of Problem 1.23,...Ch. 1 - One method for growing thin silicon sheets for...Ch. 1 - Heat is transferred by radiation and convection...Ch. 1 - Radioactive wastes are packed in a long,...Ch. 1 - An aluminum plate 4 mm thick is mounted in a...Ch. 1 - A blood warmer is to be used during the...Ch. 1 - Consider a carton of milk that is refrigerated at...Ch. 1 - The energy consumption associated with a home...Ch. 1 - Liquid oxygen, which hems a boiling point of 90 K...Ch. 1 - The emissivity of galvanized steel sheet, a common...Ch. 1 - Three electric resistance heaters of length...Ch. 1 - A hair dryer may be idealized as a circular duct...Ch. 1 - In one stage of an annealing process, 304...Ch. 1 - Convection ovens operate on the principle of...Ch. 1 - Annealing, an important step in semiconductor...Ch. 1 - In the thermal processing of semiconductor...Ch. 1 - A furnace for processing semiconductor materials...Ch. 1 - Single fuel cells such as the one of Example 1.5...Ch. 1 - Prob. 1.59PCh. 1 - Prob. 1.60PCh. 1 - Prob. 1.61PCh. 1 - A small sphere of reference-grade iron with a...Ch. 1 - A 50mm45mm20mm cell phone charger has a surface...Ch. 1 - A spherical, stainless steel (AISI 302) canister...Ch. 1 - Prob. 1.65PCh. 1 - Prob. 1.66PCh. 1 - A photovoltaic panel of dimension 2m4m is...Ch. 1 - Following the hot vacuum forming of a paper-pulp...Ch. 1 - Prob. 1.69PCh. 1 - Prob. 1.70PCh. 1 - Prob. 1.71PCh. 1 - The roof of a car in a parking lot absorbs a solar...Ch. 1 - Prob. 1.73PCh. 1 - Prob. 1.74PCh. 1 - Consider Problem 1.1. If the exposed cold surface...Ch. 1 - Prob. 1.76PCh. 1 - Prob. 1.77PCh. 1 - A thin electrical heating element provides a...Ch. 1 - Prob. 1.79PCh. 1 - Prob. 1.80PCh. 1 - Prob. 1.81PCh. 1 - The curing process of Example 1.9 involves...Ch. 1 - The diameter and surface emissivity of an...Ch. 1 - Bus bars proposed for use in a power transmission...Ch. 1 - A solar flux of 700W/m2 is incident on a...Ch. 1 - In considering the following problems involving...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- arch Moving to año Question 5 The head-vs-capacity curves for two centrifugal pumps A and B are shown below: Which of the following is a correct statement at a flow rate of 600 ft3/min? Assuming a pump efficiency of 80%. Head [ft] 50 45. 40 CHE 35. 30 25 20 PR 64°F Cloudy 4arrow_forwardI need help with a MATLAB code. I am trying to implement algorithm 3 and 4 as shown in the image. I am getting some size errors. Can you help me fix the code. clc; clear all; % Define initial conditions and parameters r0 = [1000, 0, 0]; % Initial position in meters v0 = [0, 10, 0]; % Initial velocity in m/s m0 = 1000; % Initial mass in kg z0 = log(m0); % Initial mass logarithm a0 = [0, 0, 1]; % Initial thrust direction in m/s^2 (thrust in z-direction) sigma0 = 0.1; % Initial thrust magnitude divided by mass % Initial state vector x0 = [r0, v0, z0] x0 = [r0, v0, z0]; % Initial control input u0 = [a0, sigma0] u0 = [a0, sigma0]; % Time span for integration t0 = 0; % Initial time tf = 10; % Final time N = 100; % Number of time steps dt = (tf - t0) / N; % Time step size t_span = linspace(t0, tf, N); % Discretized time vector % Solve the system of equations using ode45 [t, Y] = ode45(@(t, Y) EoMwithDiscreteMatrix(t, Y, u0, x0, t0, tf), t_span, x0); % Compute the matrices A_k,…arrow_forwardQ2) Determine the thickness of weld (h) for the figure shown below. when the Su= 410 MPa and factor of safety of 2. COR 50 200 60 F=2000Narrow_forward
- Please draw front, top and side view, in AutoCAD both of themarrow_forwardQuestion 7 A well is pumped from a confined aquifer at a constant rate of 1000 gallons per minute (gpm). The following data were collected during the pumping test: . Distance from the well to the observation well (r) = 150 feet Differential drawdown (Ah) in the observation well at this distance = 2.5 feet Aquifer properties: Transmissivity (T) = 25,000 gpd/ft • Storativity (S)- 0.0005 (dimensionless) Pumping time (t) = 5 hours Watch your units !! Using the above information, calculate the drawdown (h) in feet in the observation well at a distance of 150 feet after 5 hours of pumping. (Use the powerpoint slides for approximations for the well function W(u).arrow_forwardQu 2 Calcium oxide (CaO) a white, caustic, alkaline solid that reacts vigorously with water to produce calcium hydroxide, releasing heat in the process. It is used in various industrial applications, including cement production and water treatment. FA= 41{0 The ionic radii of the ions are: TCa2+= 0.100 nm and roz-= 0.140 nm. On the basis of this information answer the following questions: 1. What is the type of bonding that exists in CaO crystal? 2.Calculate attractive (Fs) force in [N] between a Ca'* iron and O* ifon that is separated by an equilibrium distance ro. Calculate repulsive (FR) force in [N] between a Ca?* iron and O? iron that is separated by an equilibrium distance ro. What is the magnitude of the net force FN?arrow_forward
- Show work if any equations or calculations are used.What is the main alloying element and carbon percentage of SAE-AISI 4621 Steel?arrow_forwardThe particle has a mass of 0.5 kg and is confined to move along the smooth horizontal slot due to the rotation of the arm OA. Determine the force of the rod on the particle and the normal force of the Isot on the particle when 0 = 30°. The rod is rotating with a angular velocity of ė = 2rad/s and an angular acceleration of = 3rad/s². Assume the particle only contacts one side of the slot at any instant. To check your answer, please enter the normal force of the slot onto the particle in Newtons. A * = 2 rad/s -0- 0.5 marrow_forwardSolve, use engineering economic tablesarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Heat Transfer (Activate Learning wi...Mechanical EngineeringISBN:9781305387102Author:Kreith, Frank; Manglik, Raj M.Publisher:Cengage Learning

Principles of Heat Transfer (Activate Learning wi...
Mechanical Engineering
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Cengage Learning
Heat Transfer – Conduction, Convection and Radiation; Author: NG Science;https://www.youtube.com/watch?v=Me60Ti0E_rY;License: Standard youtube license