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The Aeropropulsion System Test Facility at the Arnold Air Force Base in Tennessee requires a heat exchanger capable of cooling 2750. lbm/s of gas turbine exhaust from 3500. to 80.0°F before discharging it to the atmosphere.
Carry out a preliminary thermodynamic design of a suitable heat exchanger using water as the second fluid.
Determine the amount of cooling water needed and recommend an appropriate source. Also determine the entropy production rate of your heat exchanger.
Air at 250 kPA and 15C is being forced into a tire, which has a volume of 0.5m^3, at a velocity of 60 m/s through a 6 mm opening. Find the rate of change of the density in the tire.
You have been asked to prepare and deliver a presentation to a non-technical manager to justify the hiring of a system architect for a new project. Write a list of bullet points setting out the key points in your presentation. Naturally, you have ..
a 10-m long and 10-mm inner-diameter pipe made of commercial steel is used to heat a liquid in an industrial process.
a the vacancy formation energy in a particular metal is 0.5 ev. calculate the concentration of vacancies at 400 oc b
What do you understand by ‘scalability'? Discuss the differences between ‘scaling up' and ‘scaling out' and explain when these different approaches to scalability may be used.
a jet engine is a serial combination of a compressor an adiabatic constant pressure combustor and a turbine in that
Calculate the torque required at input T and calculate the magnitude and direction of the torque required to hold the gearbox stationary (holding torque Th). Show the direction of the holding torque applied to the shaft with the aid of a sketch.
a stream of gas flowing at 15000 scfm contains 20 ppm of toluene. assuming the process operates 8500 hours per year
a steam turbine receives water at 15 mpa 600oc at a rate of 100 kgs shown in figure q4 below. in the middle section 20
Assuming ideal operation for all components and constant specific heats for air at room temperature, determine the pressure at the turbine exit, the velocity and temperature of the exhaust gases
Provide your opinion as to which OSHA voluntary cooperative program would be the most beneficial to a small business that prints business cards and letterhead.
a cylinder fitted with a piston 10 lbm of r 134a at 100 psi and 140 f. the refrigerant is cooled at constant pressure
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