A copper pipe with the diameter of 5 cm and surface temperature of 75 C is exposed to atmospheric air at 10 C. A) Find the rate of heat loss per unit of length on a calm day B) Find the rate of heat loss per unit of length on a breezy day when the wind speed is 5 m/s

A copper pipe with the diameter of 5 cm and surface temperature of 75 C is exposed to atmospheric air at 10 C. A) Find the rate of heat loss per unit of length on a calm day B) Find the rate of heat loss per unit of length on a breezy day when the wind speed is 5 m/s

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.81P: A person wearing a heavy parka is standing in a cold wind. Describe the modes of heat transfer...

See similar textbooks

Related questions

Q: 110% 72 Sketh the following wavefroms: a)60sin(w+0°) b)2 cos(wt+20°) c)-30sin(wt+3°)

A: Step 1: lets first understand the graph axiswe are referring waveform in sin, we will convert cos…

Q: I need a report for mechanical emginner that talks about elements to improve indoor air quality and…

A: Enhancing Indoor Air Quality and Entertainment in Sports FacilitiesIntroductionPacked stadiums and…

Q: Consider a system whose model is given by dx(t)/dt + 4.5 x(t)=sin(3t). How long does it take for the…

A: Step 1: Given equation in the question ∂t∂x(t) + 4.5 x(t) = sin (3t) Step 2: Homogeneous…

Q: 7. steam enters a group of convergent-divergent nozzles at a pressure of 2.2MPa and with a…

A: Step 1:Step 2:Step 3:Step 4:

Q: Pravinbhai

A: Step 1:Given data:Weight of the rod BD , WBD=3lbangular velocity of crank AB,ωAB=16rad/sAngular…

Q: What specific characteristics should a polymeric material attain to be safely implanted? Contrast…

A: When considering the use of polymeric materials for medical implantation, several specific…

Q: Discuss the source, system and receiver concept in vibration and noise control

A: In mechanical engineering, the source, system, and receiver structure provides a framework for…

Q: describe and explain each step

A: Step 1: Step 2: Step 3: Step 4:

Q: I need to talking about the elements of Enhancing indoor air quality and safe entertainment in…

A: let's break down each element step by step:1. Sensor: - Function:Sensors monitor indoor air quality…

Q: See attached please and thanks

A: Sure, I can help you with this momentum conservation problem.Analyzing the collision:The image…

Q: 5) The center O of the spool starts from rest and acquires a velocity of 1.2 m/s up the incline with…

Q: A slab 0.2 m thick with thermal conductivity of 45 W/mK receives heat from a furnace at 500 K both…

A: Step 1:Thickness of the slab is 0.2mThermal conductivity is 45mKWFurnace temperature is…

Q: Please solve and show all steps in solution or explain how to get numbers

A: Step 1: Given : Isobutane mass flow rate (ṁ) = 10 kg/sQuality at state 1 (x₁) = 0.9Pressure at state…

Q: See attached please and thanks

A: Approach to solving the question:Velocity of free fall body and restitution relationshipDetailed…

Q: P1 is the critical point. If the maximum permissible tensile stress is 150 MPa and themaximum…

A: The information you provided and the image, here's how to determine the largest load (P) the rider…

Q: Consider a machine element as shown in the figure. The stress element at a critical point on this…

Q: STOP USING STUPID ARTIFICIAL INTELLIGENCE

A: Given information:Constant bending stiffness (EI) for the beamLength of beam sections: AB = 15 ft,…

Q: The rod AB, shown in the figure, can slide freely along the floor and the inclined plane. At the…

A: Step 2:Step 3: Step 4:

Q: Please show all your work and explain in details. I am prepping for my exam tomorrow and I am stuck…

A: The objective of this problem is to determine the minimum shaft diameter for ABCD based on strength…

Q: Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it…

A: Step 1:Data giventhe diameter of the tube D=7mm=0.007mthe volumetric flow rate…

Q: A car with a mass of 1000 kg, has 4 suspensions, and has an un-damped natural frequency of vertical…

A: Step 1: We can use the following formula to determine each spring's stiffness: natural frequency of…

Q: 3.1. The velocity at a point in a fluid for a one-dimensional flow may be given in the Eulerian…

A: The last line means that: x is a function of x0 and t in Lagrange coordinates. Please Rate if…

Q: Assume the critical Reynolds number for the flow to be considered as laminar over a flat plate is 5…

A: Step 1: Step 2: Step 3: Step 4:

Q: The 8-kg block is moving with an initial speed of 5 m/s. If the coefficient ofkinetic friction…

Q: Starter is used to transmit initial mechanical power to the car engine and the analysis will be…

A: To determine the torque delivered by the camshaft, we can use the…

Q: 2) (30 PTS.) The coefficient of friction between the 100 kg block and ramp is 0.2 and the force vs.…

Q: What would be the recommend torque and max torque for a hollow shaft made of 52100 bearing steel…

A: Let's first determine the recommended torque for the hollow shaft using some math. Step 1: Torque is…

Q: Assuming an air density of 1.22kg/m3, calculate (1) the pressure loss for a ventilation airway…

Q: A winch has a line speed of 4m/min and lifts a load of 10kN. What is the winch output power? Give…

Q: Problem 3: Manometer The sensitivity of the micromanometer shown in the figure below is defined as:…

A: Page 1 : Page 2

Q: The beam in Figure 1 has a symmetric cross-section with E = 200 GPa and 1= 17.5×10° mm*: • derive…

A: Here's a breakdown of the key points:Deep Beam Shear Failure:Deep beams, defined as beams with a…

Q: Problem 1: Shear stress A 15 mm diameter shaft is pulled through a cylindrical bearing as shown in…

Q: Required information Water in a channel is retained by a gate with 10 cm width (into the plane of…

A: The objective of the question is to determine the amount the spring must be prewound so that the…

Q: Example 11-10: Torque on unbalanced system. Determine the magnitude of the net net torque T needed…

A: are the angular momentum of masses A and B

Q: Describe the differences between: a) Monomer and repeating unit b) Polycondensation and polyaddition…

A: Step 1:Difference are :- a) Monomer vs. Repeating Unit:Monomer: It's the smallest unit of a polymer,…

Q: DONT USE AI!!

A: The Slope-Deflection Method and the Stiffness Matrix Method, considering the constant bending…

Q: Learning Goal: To use transformation equations to calculate the plane state of stress in a rotated…

A: Step 1:Given ∣σx∣=40Mps ∣σy∣=58Mps σy=−58Mps ∣τxy∣=8Mpa τxy=−8Mpa θ=40∘ Step…

Q: Hi, can you please help me with this question?

A: (a) Strike Lines:As mentioned earlier, the boreholes are vertical, and the rockhead interface…

Q: You are in an inventory management field these days. You are working for a place which works on 365…

A: The objective of this question is to determine the number of orders per year that should be placed…

Q: Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it…

Q: I have attached a picture of the lengths of the robot's links, the axes of rotation for each joint,…

A: Step 1: Let's calculate the Denavit-Hartenberg (DH) parameters for your robotic arm based on the…

Q: The response of a certain dynamic system is given by: x(t)=0.003 cos(30t) +0.004 sin(30r) m (5Mks)…

A: Step 1:Solution (i, ii, iii, iv, v, vi)- Step 2:Solution (vii)-

Q: Question 1 1 pts The drive shaft of a car is subjected to both bending and torsion. The torque, T,…

A: To calculate the minimum shaft diameter d using the Goodman criterion, we need to follow these…

Q: None

A: Step 1:Step 2:Step 3:Step 4:Step 5:Step 6:Step 7:Step 8:Step 9:Step 10:

Q: Q1 Find the average value of periodic wavefrom of Fig.below over one full cycle. 35 20 (V) 0 -20 1…

A: General Explanation:We recall that the average value of a function can be defined as a ratio of the…

Q: A football player throws the ball with the initial conditions as shown in the figure. Calculate the…

Q: Machine safeguards must... conform to ANSI standards protect the operator and anyone passing by…

A: The question is asking whether all the listed requirements are necessary for machine safeguards.…

Q: A 1500 kg car is traveling at 25 m/s up a 12 degree incline when it runs out of gas. The value of Ur…

A: Step 1: Step 2: Step 3:

Q: 2-29 For the bracket shown in Figure P2-14 and the data in the row(a) assigned from Table P2-3,…

A: The objective of this question is to calculate the von Mises stresses at points A and B for the…

Q: Q1/For the network shown in the figure below, use nodal equations and solve for the nodal voltages.…

Question

Please show all steps to understand,not Ai generated it has been wrong multiple times.

A copper pipe with the diameter of 5 cm and surface temperature of 75 C is exposed to atmospheric air
at 10 C.
A)
Find the rate of heat loss per unit of length on a calm day
B) Find the rate of heat loss per unit of length on a breezy day when the wind speed is 5 m/s

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

A person wearing a heavy parka is standing in a cold wind. Describe the modes of heat transfer determining heart loss from the person's body.
Using Table 1.4 as a guide, prepare a similar table showing the orders of magnitude of the thermal resistances of a unit area for convection between a surface and various fluids.
The chill felt on a cold windy day is related to the increase in the heat transfer coefficient between the body skin and the surrounding atmosphere. Let's consider a 3mm thick oily skin layer, the inner surface of which is kept at 360C. On a calm day, the heat transfer coefficient on the outer surface reaches 65W / m2K with a wind speed of 25W / m2K 30km / h.a) What is the ratio of the heat lost from the unit area of the skin on the calm day to the windy day.b) What will be the outer surface temperature of the skin on a calm day? What is this for the windy day.c) What should be the temperature of the air in a calm day to obtain the equivalent of the heat loss at -150C air temperature on a windy day?
Fluid fluid with a temperature of -20C passes through a copper cylindrical wire. The outer diameter of the wire is 10 mm. The wire is in contact with air at a temperature of 25C, which is h = 50 W / m2K. The heat conduction coefficient of the wire is k = 0.5 W / mK. It will be applied in different thicknesses. a) Calculation separately for the resulting heat transfer per m when 0, 2.5, 5 and 7.5 m are applied. b) To interpret which thickness will increase the heat transfer by calculating the critical diameter. c) Graph the insulation and heat transfer rate against each other.
Heat transfer
1) "Two-by-four" wood studs have actual dimensions of 4. 13 x 9.21 cm and a thermal conductivity of 0.1 W/m. °C. A typical wall for a house is constructed as shown below. Calculate: a) heat transfer rate through the wall, b) temperature of inside wall, outside wall, and insulation material; and (c) temperature drop across common brick. Disregard any contact resistances at interfaces. Outside air convection, h = 15 W/m?. °C Common brick, k= 0.69 8 cm 1.9 cm, k = 0.96 Gypsum sheath 1.9 cm. k= 048 40.6 cm Insulation, k = 0.04 2 x 4 studs Inside air convection, h= 7.5 W/m²• C
A circular pipe with inner diameter of 0.02 m has its inner surface covered with water at 303K. Dry air is flowing inside the pipe at the velocity of 10 m/s. The temperature of air is 303K and its pressure is at 1 atm. Calculate:a) Mass transfer from the 0.01 m length pipeb) Rate of heat transfer from pipe to air by mass convection and heat convection.
Please don't provide handwritten solution ....
i need the answer quickly
I need the answer as soon as possible
find only the following What is the total heat transfer to/from the building?
A wooden sphere of diameter 5 cm is initially at a uniform temperature of 21 °C. Its surfacetemperature is suddenly raised to 83 °C. The thermal conductivity and thermal diffusivity ofthe wood are 0.15 W/m K and 0.82 x 10-7 m^2/s, respectively. a) Calculate the temperature 2 cm beneath the surface of the sphere 30 min after the sudden increase in temperature.b) Calculate the energy gained by the sphere during this time.