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Consider a polished, unnotched specimen made 2024-T4 drawn rod loaded in the longitudinal direction (see page MH3-112). The specimen is subjected to a fatigue cycle with a minimum stress of 10 ksi and is desired to have a life of 105 cycles to failure. Determine the corresponding fatigue cycle maximum stress according to the equivalent stress model. Repeat this calculation if the minimum stress is increased to 20 ksi.
Molten sodium metal is often used as a coolant in nuclear reactors. Consider molten sodium at 205 C flowing at a rate of 0.23 m/s over a plate with length and width of 1 m and 2 m, respectively.
a water jet pump has a jet area of a0 and jet speec v0. the jet is within a secondary stream of water having speed
an adiabatic compressor compresses air from atmospheric pressure and 70 degf at a rate of 10000 acfm actual cubic feet
Methane gas at 100 atm and -18C is stored in a 10-m3 tank.
Prepare a computer algorithm that determines the alternate depth, given the geometry of a prismatic channel, the discharge, and the depth of flow. Use the interval-halving technique or a solution of your choice.
an air conditioner operating at steady-state takes in moist air at 27 oc 1 bar and 70 relative humidity. the moist air
A balanced-cross-flow compact heat exchanger is required for an air heating system that processes 0.5 kg/s air. The inlet temperature for the hot water is 295 K, and the cold air enters at 270 K to be heated to 287 K. The inlet pressure for the hot w..
air at 0.1 kgs is to be cooled from 140 c to 40 c in a heat exchanger. the coolant water is at 20c constant throughout
For the bar shown below, find the sheer force and bending moment at point A. The cross section of the bar is constant. a = 2.5 m, b = 2.5 m, c = 2.0 m and d = 1.0 m. w = 3 kN/m and P = 13 kN.
a a rod of steel 0.5 m long is heated from 20 c to 80 c while its ends are maintained rigid. determine the type and
1. a commercial refrigerator keeps food fresh at -12 ordmc. it is estimated that the refrigerator removes 3300 kjhr
Refrigerant-134a flows across a 3 m-long plate which imparts a constant heat flux of 50 kW/m2 to the refrigerant. If the refrigerant is at -40 C and is flowing at 1 m/s, determine the following: (a) The average heat transfer coefficient along the len..
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