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Determine the convection heat loss from both the top and the bottom of a flat plate at Ts = 80°C with air in parallel flow at Too = 25°C, uoo = 3 m/s. The plate is t = 1 mm thick, L = 25 mm long, and of depthw = 50 mm. Neglect the heat loss from the edges of the plate. Compare the convection heat loss from the plate to the convection heat loss from an Lc = 50-mm-long cylinder of the same volume as that of the plate. The convective conditions associated with the cylinder are the same as those associated with the plate.
Superheated steam in a piston-cylinder device is initially at 200 °C, 600 kPa. Heat is removed from the system during an isobaric process until half of the mass condenses to saturated liquid
A distillation column, as shown in the figure to the right, is a device used to separate components with different volatilities. In a specific process, a distillation column is used to separate a feed stream containing 0.4500 mol ethanol/mol and 0.55..
Evaluate the maximum theoretical power that can be developed by the turbine, in kW, and the corresponding exit temperature.
r-134a in piston-cylinder arrangement is at 700 kpa and 80 degrees celcius. it is now cooled at a conswtant pressure to
A fan jumps into a swimming pool in an attempt to drown her sorrows. She is able to float on her back...in a position that is neutrally buoyant...so that she can continue to breathe through her mouth. Believing that 70% of her body is composed of wat..
a 1500 lb crate is pulled along the around at a constant speed for a distance of 25ft using a cable that makes an andle
a 2 mm diameter spherical air bubble is suspended in an insulating fluid . with a focused laser the bubble is heated so
the primary type of interior-automatic bonding between water molecules in a solution in pure water is? deformation occurs when a material is subjected to enough tensile stress that it deforms in a shape but then returns to it is original diminuendos ..
design 4-5-6-7 polynomial for double-dwell cam follower with the following specifications. design the profile for rise
A Pitot-static probe connected to a water manometer is used to measure the velocity of air. If the deflection (the vertical distance between the fluid levels in the two arms) is 7.3 cm, determine the air velocity. Take the density of air to be 1.2..
A 74 wt% Ni-26 wt% Cu alloy is heated to a temperature within the ? + liquid phase region. If the composition of the phase is 80 wt% Ni, using figure 10.3
a walk-in cooler using a vapor compression refrigeration cycle is configured as shown below. the cycle uses cfc22 or
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