Consider the heat transfer that occurs through the wall of a house. The outdoor and indoor temperatures are 0 ° C and 27 ° C, respectively, and the exterior and interior surface temperatures of the wall are 5 ° C and 20 ° C, respectively. The heat transfer occurring through the wall is 1035W. Calculate the entropy generation in the wall and the total entropy generated as a result of heat transfer

Q: Problem 1: The dimensions of a warehouse are area A = 100,000 ft?, height h = 30 ft. Assume that the…

A: Given Data  The dimensions of the ware house is given as  : Area of the warehouse = 100000 ft2…

Q: Which of the following whose values are  not depend on the transition of a system from the initial…

A: State functions are those functions whose values are not dependent on the transition path of the…

Q: An aluminium pan whose thermal conductivity is 237 W/m/°C has a flat bottom whose diameter is 20 cm…

A:

Q: 30°C

A:

Q: Q1) A 20-cm-square plate loses heat with rate of 5000 W/m². Air at 1 atm and 300 K flows across the…

A: Side of the square plate, a = 20 cm = 0.20 m Heat lost from the plate, Q = 5000 W/m2 Air flows at…

Q: For a stream of water (at 32 °C) flowing over a plate at a constant surface temperature of (90 °C)…

A: Given:  T∞ = Twater = 32 oC            Thermal conductivity of water at 32 oC = 0.6 W/m.k…

Q: A metallic solid cylinder has a diameter of 11 cm and initial temperature of 300oC. The cylinder is…

A: Given, d= 11cm = 0.11m, r = 0.055m Ti = 300oC Tx = 50oC h = 1200W/m2oC Q = 4.9*106 J/m k = 204W/moC,…

Q: As the water flows through a pipe with an inner diameter of 5 cm and a length of 10 m, it heats up…

A: Inner diameter of the pipe, di = 5 cm = 0.05 m Length of the pipe, L = 10 m Initial water…

Q: Question 3 A pipeline is constructed by a proposed material M with thermal conductivity of 0.0015…

A:

Q: (a) Beginning with the heat equation, calculate the total quantity of heat being conducted per unit…

A:

Q: 1. During the isothermal heat rejection process of a Carnot cycle, the working fluid experiences an…

A: Given: In Isothermal heat rejection Carnot cycle, entropy change of working fluid is -0.7 Btu/R,…

Q: A 30.00-mL sample of an unknown H3PO, solution is titrated with a 0.100 M NAOH solution. The…

A: Given: The balanced chemical reaction is, H3PO4(aq.) + 3NaOH(aq.) → 3H2O(l) + Na3PO4(aq.) The…

Q: 7-2, Losses by Natural Convection from a Cylinder. A vertical cylinder 76.2 mm in diameter and 121.9…

A: The radiation heat loss is neglected. The mean of the given two temperatures will be the film…

Q: The heat transfer coefficient, h, captures both heat conduction and flow effects. Thus, in the case…

A: Given data: We have a heated sphere at Ts in a large, motionless fluid at temperature T1 far from…

Q: A metallic solid cylinder has a diameter of 11 cm and initial temperature of 300oC. The cylinder is…

A:

Q: 6.3 In a particular application involving airflow over a sur- face, the boundary layer temperature…

A: All answers are attached below; please check. Explanation:Step 1:Step 2:Step 3:Step 4:Please rate my…

Q: An aluminum bar has a diameter of 11 cm and is initially uniform in temperatureat 300◦C. If it is…

A: Lumped system analysis assumes a uniform temperature distribution throughout the body, which implies…

Q: A long circular cylinder is encased and centered in a long square cylinder of concrete (k 1.2 W/m·K)…

A: Given , Thermal conductivity,k=1.2W/mKTemperature of cylinder,T1=200°C=473KTemperature of…

Q: The expansion of a closed system occurs at a constant pressure, there is no change in their kinetic…

A:

Q: It is the transfer of energy as a result of a temperature difference between the system and the…

A: Heat is the transfer of thermal power from a system to its environment or from one object to some…

Q: The class includes 40 people. Heat loss from the walls of the class, including the glass windows, is…

A: (a) Write the energy balance equation for the system as follows: dEdt =…

Q: Problem 1. Water boils inside of a small pipe, at a temperature T₁. Heat is generated at a rate of R…

A: From energy balance at distance r from the centre qgenrated  = qconductedqAgL = -KAdTdrarea of…

Q: Through a laboratory experiment it was determined that the heat flow through a wall of an unknown…

A:

Q: Steam is being transported in a pipe at a chemical production facility in Germany The outer diameter…

A: The rate of heat loss is obtained from heat transfer coefficient ,cross sectional area and change in…

Q: 5. Variable Heat Generation and Equation of Energy Change. A plane wall is insulated so that…

A: The plane wall is insulated and conduction occurs only in x direction The heat generation per unit…

Q: Polymer laminates are formed by “squeezing” two flat sheets of polymer together under high pressure.…

A: To derive an expression for the temperature as a function of time and position in the two polymer…

Q: For the plane wall shown, solve the conduction equation, deriving an algebraic expression for the…

A: Conduction is a simple heat transfer process in which heat transfers from one end to another end of…

Q: Heat is negative when when transferred from the system to the surroundings True False

A: Heat: It is a form of energy which transfers from hotter body to colder body by thermal radiation.…

Q: Question 1 Hot oil flows through a steel tube with an outer diameter of 6 cm. The walls of the tube…

A:

Q: 1. A flat plate of width 1 m is maintained at a uniform sur- face temperature of T, = 150°C by using…

A: a.The required power generation, q (W/m3), in a module positioned at a distance 700 mm from the…

Q: 6. Consider a person whose exposed surface area is 1.9 m², emissivity is 0.85, and surface…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: 1- Both heat and mass do not exchange between the system and its surrounding in system.

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: A concrete wall is insulated on one side and exposed to ambient air at 25°C on the other. If the air…

A: A concrete wall insulted on left side is exposed to ambient air.

Q: Q2-A hollow stainless-steel cylinder having an inside diameter of 4 cm and thickness of 1 cm is…

A: Assumptions Steady state heat transfer takes place inside the cylinder. The cylinder has heat…

Q: 8. Which of the following statements is true? a. In an endothermic process heat is transferred from…

A: This question is based on endothermic and exothermic processes.

Q: Obtain by dimensional analysis a functional relationship for the wall heat transfer coefficient h…

A:

Q: 1/6 Convection Ex. 3.15: air at 101.325 kPa and 308 K (35 °C) flows across a 50 mm diameter cylinder…

A: Given Diameter of cylinder D = 50 mm Density d = 0.966 Conductivity k = 0.0312 NPr = 0.695

Q: Estimate the heat loss by natural convection from the surface of a heated horizontal cylindrical…

A: Given: The surface temperature of the heater Ts = 40 oC Water temperature T = 26 oC; Therefore, the…