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An air-standard dual cycle has a compression ratio of 16. At the beginning of compression, p1 5 14.5 lbf/in.2, V1 5 0.5 ft3, and T1 5 508F. The pressure doubles during the constant volume heat addition process.For a maximum cycle temperature of 30008R, determine
(a) the heat addition to the cycle, in Btu.
(b) the net work of the cycle, in Btu.
(c) the thermal efficiency.
(d) the mean effective pressure, in lbf/in.2
(e) To investigate the effects of varying maximum cycle temperature, plot each of the quantities calculated in parts (a) through (d) for maximum cycle temperatures ranging from 3000 to 40008R.
A pin-connected structure consists of a rigid beam ABCD and two supporting bars. Bar (1) is an aluminium alloy [E = 70 GPa] with a cross-sectional area of A1 = 2,400 mm2. Bar (2) is a bronze alloy [E = 100 GPa] with a cross-sectional area of A2 = 6,0..
air is considered as an ideal gas. dont use gas table for gas properties just assume that both cv and cp are constants.
A Charpy V Notch test was conducted for an ASTM A572 grade 50 bridge steel. the average values of the test results at four different test temperatures were found to be
air at 110 kpa and 250 k is compressed steadily to 570 kpa and 400 k. the mass flow rate of air through the compressor
write a matlab code to draw a cubic bezier curve using decasteljau algorithm. the input to the program should be four
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a hemisphere shell with mass m and radius r rests on a horizontal table. at the top of the shell there is a hole. the
A golden bar of metal (5 centimeters by 18 centimeters by 4 centimeters) being transported by armored car is suspected of being fake, made from a less valuable metal with a thin coating of pure gold. The bar is found to have a mass of 2.7 kilograms. ..
the rigid tank illustrated in the figure has a volume of 0.06 m3 and initially contains a two-phase liquid-vapor
A pressure drop of 200 kPa is measured over a 400-m length of 8-cm-diameter horizontal cast iron pipe that transports 20-C water. Determine the ?ow rate using (a) the Moody diagram and (b) an alternate equation.
calculate the span of a differential pressure transmitter that is mounted 10 inches below the bottom instrument tap on
A 0.6 m diameter gas pipeline is being used for the long-distance transport of natural gas. Just pas a pumping station, the gas is found to be at a temperature of 25 C and a pressure of 3.0 MPa. The mass flow rate is 125 kg/s, and the gas flow is adi..
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