(HEAT TRANSFER THROUGH COMPOSITE WALLS)
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- PROBLEM: VID-3 BOOK: ENGINEERING THERMOFLUIDS, M. MASSOUD (please can you answer my question even if it's rough computation)1. A room has a pine ceiling (k = 0.12 WI(m-Cº) ] that measures 3.0 m x 4.0 m 2.0 cm. On a cold day, the temperature inside the room is 20°C, and the temperature in the attic above is 8°C. If 6.0 cm of glass wool insulation ( k = 0.042 WI(m.Cº) ] were put in above the ceiling, how much energy would be saved in one hour? 2. 2.0-kg block moving with an initial speed of 5 m/s slides on a rough table and is stopped by the force of friction. Assuming that the table and air remain at 24°C, calculate the entropy change of the universe.se Finals prep & more: Get help from live tutorsTry bartleby tutorarrow_forward Question Asked Jun 17, 2020 1 views As a researcher in the field of heat transfer, how will you distinguish between radiation by black body and a real body? Explain briefly Point out and briefly explain the various factors affect the thermal conductivity of a material. What is the analogical reason between heat transfer by conduction and flow of electricity through ohmic resistance? Use a composite wall of a building to illustrate the concept.A composite slab with three layers of thermal conductivities k1, k2, k3 and thickness t1, t2, t3 respectively, are placed in a close contact. Derive an expression from the first principle for the heat flow through the composite slab per unit surface area in terms of the overall temperature difference across the slab. Based upon the reradiating properties of absorptivity, reflectivity and transmissivity, how would you distinguish between the…
- Q#01: Define the following:a) Steady and Transient state of heat transfer by the help of an example.b) If the area, thickness and temperatures are same across the material. Justify whichmaterial will transfer more heat, either the material with high thermal conductivity valueor the material with low thermal conductivity value?c) If the area and temperatures are same across the material. Explain whether thermalconductivity will have any effect on thickness or not?Q1: You are designing a high-pressure oxygen cylinder for hospitals fighting against COVID. The material used is layered unidirectional continuous fiber reinforced composite, as schematically shown in Fig.1 (a). In the 0° layer, the fiber is along the Y direction, and the fiber is along X direction in the 90° layer. The thickness of the 90° layer is 1.5 times of that of the 0° layer. The matrix material is an isotropic material with the Young's modulus E-10 GPa and volume fraction Vm-20%, while the continuous fiber is an anisotropic material with the Young's modulus E₁-250 GPa along the length direction, E2-20 GPa along the transverse direction and volume fraction V₁-80% a) Based on rule of mixture and mechanics of material method, calculate the effective Young's modulus along each direction (Ex, Ey, E₂). b) The as-produced (unloaded) inner radius Ro-0.1 m, the wall thickness H=0.005 m (<Q#01: Define the following: a) Steady and Transient state of heat transfer by the help of an example. b) If the area, thickness and temperatures are same across the material. Justify which material will transfer more heat, either the material with high thermal conductivity value or the material with low thermal conductivity value? c) If the area and temperatures are same across the material. Explain whether thermal conductivity will have any effect on thickness or not?Subject: Statistics of rigid bodies TOPIC/S: Analysis of structures (Method of Joints, Method of Section) Instructions: Answer the following and show complete solutions. ( please write legibly)pls send me in 30 min show full steps subject (thermo 2)Heat Transfer Design a 1D conduction experiment to measure thermal conductivity of 3 different materials that can be done in your kitchen. Identify the variables that will be changed and write a detailed protocol.subject (thermo 2) pls answer me in 20 mins thnak youMy Lecture: Heat TransferThe task is to utilise ANSYS Workbench in the design and simulation of a linear, open-sidedcovered walkway, used to provide shelter to pedestrians from the elements whilst ensuringmaximum freedom of movement. An example of a covered walkway . Thecovered walkway is intended for use on a university campus in the United Kingdom. It isdesired that the total mass of the covered walkway is kept to a minimum. There are norestrictions on materials used or methods of manufacture.SEE MORE QUESTIONS