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Steel (AISI 1010) plates of thickness δ = 6 mm and length L = 1 m on a side are conveyed from a heat treatment process and are concurrently cooled by atmospheric air of velocity u∞ = 10 m/s and T∞ = 20°C in parallel flow over the plates.
For an initial plate temperature of Ti = 300°C, what is the rate of heat transfer from the plate? What is the corresponding rate of change of the plate temperature? The velocity of the air is much larger than that of the plate.
heat transfer to a 1.5kg block of ice at -10 degrees celsius melts it to a liquid at 10 degrees celsius in a kitchen.
a rocket having a total mass of 8 mg is fired vertically from rest. if the engines provide a constant thrust of t300 kn
a 35g bullet b is fired with a velocity of 400 ms into the side of a 3kg square panel suspended in air from a pin at
carbon dioxide at 20 degrees celsius and a pressure of 550 kpa flows through a pipe at 0.04 ns what would be the
A written report providing your recommendations is required, including an annotated list of food-cooling Dos and Don'ts for restaurants supplied by the company with fish.
Construct graphs of total stresses, effective stresses and pore pressures before and after the reclamation.
If a slider block C is fixed to the disk that has a constant counter clockwise angular velocity of 4 rad/sec, determine the angular velocity and angular acceleration of the slotted arm AB at the instant shown.
Steam produced at 70 bar and some unknown temp. A small amount of steam is bled off just before entering a turbine and goes through an adiabatic throttling valve to atmospheric pressure. The temp of the steam exiting the throttling valve is 400C.
an otto cycle has the lowest t as 520 r and the lowest p as 12 psi. the highest t is 4500 r and combustion adds 500
What parts of a home make up the building envelope? What is the building envelope's purpose? What are the main building envelope issues that are addressed during weatherization
Estimate the slope dp/dt of the ice +water line using the triple point information. Specific entropy of ice at the triple point is -1221J/kgK , specific entropy of liquid water at triple point is 0.0 J/kgK. Determine therefore the temperature in Cels..
A Stirling cycle operates with 1 kg of air between thermal energy reservoirs at 27oC and 527oC. The maximum cycle pressure is 2000 kPa and the minimum is 100 kPa. Assuming constant specific heat at room temperature,
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