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Refrigerant 134a is the working fluid in an organic Rankine cycle. Saturated vapor at 60°C enters the turbine, and the condenser operates at a pressure 600 kPa. Hot exhaust gases from an internal combustion engine are used to supply the heat input to this cycle. The exhaust gases enter the evaporator of the Rankine cycle at 300°C with a mass flow rate of 250 kg/h. It is important that the exhaust not allow the water in the air to condense in the tail pipe (causes rust). Assume all processes are ideal.
a. Show the cycle on a T-s diagram with respect to saturation lines and including both isobars.
b. Determine the maximum amount of work that can be extracted from the Rankine power cycle (kW).
c. Now that you have solved this problem, describe why water/steam would never work for this type of application (look at the specific qin value).
d. Despite the limits of this type of system (i.e. low work output). Is there any drawback (besides financial) to installing one in a vehicle?
need a critical review journal paper about the different types of trucks gap and skirts and boat tailsabstractnotice
Knowing that the pipe has inner and outer dimensions equal to 35 and 42 mm, respectively, detemine the normal and shearing stresses at point a and point b.
a fully loaded lorry has a mass of 10 tonnes and is travelling along a road at uniform velocity when the brakes are applied and the lorry is brought to rest. if the deceleration is 2m/s2 and the coefficient of rolling friction is 0.15, determine t..
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A solenoid 2.8 m long has a radius of 0.85 cm and 660 turns. It carries a current I of 2.5 A. What is the approximate magnetic field B on the axis of the solenoid?
Estimating fractions of a cost, Estimate what fraction of the price of a pocket calculator is required to cover the cost of developing the product.
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Determine the force in member BC. After the truss is sectioned use a single equation of equilibrium for the calculation of each force. State if these member is in tension or compression. Take F1 = 2 kN , F2 = F3 = 3.8kN , F4 = 5 kN, F5 = 3 kN.
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