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- The material often used to manufacture electric strip heater coils is ____.PROBLEM:VIC-13 FROM THE BOOK: ENGINEERING THERMOFLUIDS, M. MASSOUD.What are valid reasons for adding Yttrium to the zirconia in the Thermal Barrier Coating (TBC) in a turbine blade? Select one or more: a. To increase the weight of the TBC b. To match the thermal conductivity of the TBC to the underlying oxide layer To avoid breakage during change in thermal conditions d. To prevent a change of the crystallographic structure as the temperature changes To match the thermal conductivity of the TBC to the metal substrate C. e.
- REFERENCE: FROM BOOK - ENGINEERING THERMOFLUIDS, M. MASSOUDINTRODUCTION: for (HEAT TRANSFER THROUGH COMPOSITE WALLS) PROCEDURE: for (HEAT TRANSFER THROUGH COMPOSITE WALLS)Think about the bimetallic strip in we discussed in class. Consider a strip that is formed from bonded layers of two materials of your choice. Estimate how long the strip needs to be to produce a measurable deflection given a 10C temperature change.
- What cross-sectional property is influenced by the size effect factor between the depth and width of a member?View Policies Current Attempt in Progress A composite bar is fabricated by brazing aluminum alloy [E = 10,000 ksi] bars (1) to a center brass [E = 17,000 ksi] bar (2) as shown in the figure. Assume d = 0.75 in., a = 0.2105 in., L = 21 in. If the total axial force carried by the two aluminum bars must equal the axial force carried by the brass bar, calculate the thickness brequired for brass bar (2). b= Ma Save for Later in. Aluminum (1) (1) -Brass (2) Attempts: 0 of 1 used Submit AnswerTo insulate a device against a high external temperature, which of the following are practical routes: Select one or more: a. Lay down a dense tough polymer coating b. Plasma-deposit a dense, high strength ceramic coating c. Assemble a high-strength metal alloy shell on the outside of the device d. Create an outer layer with a solid shell filled with a porous material made out of a ceramic
- Please provide a clear solution and make a pv and ts diagramA prototype of a tube with a square cross-section is to be fabricated using stereolithography. The outside dimension of the square = 100 mm and the inside dimension = 90 mm (wall thickness = 5 mm except at corners). The height of the tube (z-direction) = 80 mm. Layer thickness = 0.1 mm. The diameter of the laser beam (“spot size”) = 0.25 mm, and the beam is moved across the surface of the photopolymer at a velocity of 500 mm/s. Compute an estimate for the time required to build the part, if 10 s are lost each layer to lower the height of the platform that holds the part. Neglect the time for post-curing.To insulate a device against a high external temperature, which of the following are practical routes: Select one or more: a. Lay down a dense tough polymer coating b. Assemble a high-strength metal alloy shell on the outside of the device C. Plasma-deposit a dense, high strength ceramic coating d. Create an outer layer with a solid shell filled with a porous material made out of a ceramic