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A 0.2-cm-thick, 10-cm-high, and 15-cm-long circuit board houses electronic components on one side that dissipate a total of 15 W of heat uniformly. The board is impregnated with conducting metal fillings and has an effective thermal conductivity of 12 W/m*K. All the heat generated in the components is conducted across the circuit board and is dissipated from the back side of the board to a medium at 37 deg. C, with a heat transfer coefficient of 45 W/m^2*K.
(a) Determine the surface temperatures on the two sides of the circuit board.
Steam enters the turbine of a simple vapor power plant with a pressure of 160 bar and a temp of 560 C and expands adiabatically to 0.08 bar
how can this goal be achieved? are there alternative solutions which might also be effective?
The effect on temperature and density of air under adiabatic compression, Air is going through a compressor
What is the total rate of heat transfer to the air? What is the pressure drop associated with the airflow?
Using the required parameters for a typical large size car* and an appropriate frontal Quarter-Car model.
Evaluate thermal efficiency of the cycle
Determine the velocity of shearing along the shear plane and the velocity of sliding at the tool-chip interface and find the work done per minute in shearing the metal and against the friction.
Determine the thermal efficiency of the cycle and the net specific work. Assume each turbine stage isentropic efficiency to be 99% and assume the FWH is open.
Find the safe applied torque that can be transmitted by the shaft ABCD, if the maximum shear stress in the hollow section is 47 MPa and G = 82.5 GPa.
Design a control system for an annealing furnace - Please describe any auxiliary equipment that needs to be considered. MEE 30002 Control Engineering
Immediately before failure, the testing machine records a force (F) of 50N, and a deformation (δ) of 2mm. We need to determine the maximum flexural strength (σ)
The compression strength of Kevlar 49 fiber is about one-eight of its tensile stress. Estimate the smallest diameter of a rod on which 12 um diameter Kevlar fiber can be wound without causing kinks on its compression side.
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