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1. For natural convection problems, if α is replaced by ν in the nondimensional scaling, derive the new non-dimensional form.
2. Calculate laminar flow and heat transfer from a hot cylinder at Re = 40 using the CBS flow code. Assume the buoyancy effect is negligible.
a certain process requires 2.3 cubic feet per second of water to be delivered at a pressure of 30 psi. this water comes
Package Design Brief: Assume you are the packaging engineer for a large consumer products company. In this company, the Packaging Design Briefs are initiated by the marketing group and forwarded to the Package Engineering group.
an air-conditioner with refrigerant -134a as the working fluid is used to keep a room at 26 celsius by rejecting the
vinegar is a solution of acetic acid dissolved in water. a 5.54 g sample of vinegar was neutralized by 30.10ml of .100
consider a subsonic engine inlet i.e. a diffuser with an inlet area of 2300 in2 and an exitinlet area ratio of 1.44.
A steel rod of radius 0.01 m and length 2. M is pulled on with a tensile force of 200,000 N, and the bar stretches to a length of 2.08 m. The radius of the bar is reduced to 0.0099 m. Determine the stress, strain, Young's modulus (E), and Poisson's r..
This signal is read by the microcomputer and is used to modify the switching signal so as to correct the motor speed. Using a schematic diagram, describe the hardware needed to implement this control scheme. Explain the operation of the control sy..
The sensor housing is mounted on a stationary platform, such as the support structure of the system being monitored. A spring motor winds the cable back as the cable retracts. Using suitable sketches, describe the operation of this displacement se..
water occupies the bottom 0.8 m of a cylindrical tank. on top of the water is 0.3 m of kerosene which is open to the
Refrigerant 134a at 30 lbf/in.2, 408F enters a compressor operating at steady state with a mass flow rate of 150 lb/h and exits as saturated vapor at 160 lbf/in.2 Heat transfer occurs from the compressor to its surroundings, which are at 408F. Cha..
Three springs and a mass are attached to a rigid, weightless bar PQ as shown in Fig. 2.51. Find the natural frequency of vibration of the system.
Estimate the minimum torque and power required to drive the mixer. Explain your answer in clear detail and show your work.
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