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What is the 2,200 meters-per-second flux at the target? How many neutrons are absorbed in the target per cm3 per second assuming the thermal microscopic absorption cross section for Be is 0.010 barn
Develop the inertia dyadic for this component. Without having the device in hand, state and sketch the general proportions of the element in terms of its mass distribution.
Determine the acceleration of the shell with respect to ground at this instant. State all assumptions. You need to choose orientation of fixed and moving reference frames.
Calculate (a) the maximum stress (in MPa) (b) the minimum stress (in MPa) (c) the stress intensity factor range K (in MPa*m^0.5) at the crack tip.
Heat transfer from the surface of the turbine to the surroundings occurs at a rate of 16 Btu per lb of nitrogen flowing. Determine the power developed by the turbine in horsepower.
How long will it take them to glide to the edge of the rink? Where will they reach it? Give your answer as an angle north of west.
The rate of heat transfer from the cold space is twice that from the freezer, and the power input is 0.25 kW, find the maximum values of the three heat transfer rates.
The loading direction is along the [001] direction of the crystal. The yield strength determined is 50 GPa. Determine the critical resolved shear stress of this fcc metal.
What is the material removal rate in both mm^3/min and in^3/min? If you are machining an alloy steel (5140 H), what is the power requirement in kW?
The humidifier provides a cool mist of liquid water at 10 C and at a flow rate of 0.1 kg-water/s. Determine the temperature and relative humidity of the air exiting the humidfier.
The ratio between the volume at the final state to the volume at the initial state is 8. Determine the temperature and pressure at the final state and the work per unit mass transferred during the p
The plate has a uniform temperature of 700K and has an emissive power of 5000 W/m^2. Determine the total emissivity and absorptivity of the plate.
The methane is not an ideal gas at the conditions of this problem; use the principle of corresponding states and the generalized correction chart(s). a. Find the final temperature (K) b. Find the he
An aircraft flying horizontally over flat level from the ground mph and an altitude of 2400ft release bomb. Neglecting aerodynamic drag, how far before reaching the target (measuring horizontally) m
Process i) begins at 100 kPa and 20degC and ends at 750 kPa. a) Calculate the rates of specific work and heat transfer for each process and find the cycle efficiency.
Sketch the microstructures for spheroidite and tempered martensite based on the processing routes discussed above. Label the phases present. b) Which material will exhibit the greater hardness? Brie
Steam enters an adiabatic turbine at 5 MPa and 450 C and leaves at a pressure of 1.4 MPa. Determine the work output of the turbine per unit mass of steam if the process is reversible.
What is the rate of heat transfer to the air from the combustion products in kW? What air temperature would result at the exit of the heat exchanger?
The heat rejection occurs at a pressure of 30 kPa. a) Sketch this cycle on a T-s diagram, clearly indicating the processes relative to the vapor dome. b) What is the thermal efficiency of the cycle?
How long would it take to heat .17 kg of water from 4.4 C to 48.8 C using saturated water vapor at 100 kPa, 99.61 C and a mass flow rate of 4 g/min?
Determine the mass flow rate of liquid water required to produce an exit state of saturated vapor at 500 kpa. What is the rate of entropy generation? What is primary cause of irreversibility in the
Calculate the change in entropy of a gas of mass 8kg when 100 kj of heat energy is supplied to the gas. the temperature of the gas remains constant at 100 c during the heat transfer process.
Calculate the net work output, the heat input in the boiler and the thermal efficiency of the cycle. Sketch the cycle on the T-s and h-s diagrams for water.
Steam at 4 MPa and 400 °C is throttled adiabatically to a pressure of 1 MPa. If the change in kinetic energy is negligible, Calculate the specific volume of the steam after throttling.