Engineering, 12.11.2019 02:31 psa180
Calculate z and v for nitrogen trifluoride at 300 k and 95 bar by the following equations (a) the truncated virial equation [eq. (3.38)] with the following values of virial coefficients b--83.5 cm3.mol-1 c-5592 cm6.mol-2 (b) the truncated virial equation [eq. (3.36)], with a value of b from the generalized pitzer correlation [eqs. (3.58 (3.62)] (c) the redlich/kwong equation (d) the soave/redlich/kwong equation (e) the peng/robinson equation for nf3. tc-234 k, pc-44.6 bar, and ? 0.126 equation (3.38) pv rt equation (3.36) bc pv rt bp rt equation (3.58) abp rtc equation (3.62) b0.139- 0.172 t4.2
Answers: 2
Engineering, 04.07.2019 18:10
Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.
Answers: 2
Engineering, 04.07.2019 18:10
An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
Answers: 2
Engineering, 04.07.2019 19:20
Apreheater involves the use of condensing steam at 100°c on the inside of a bank of tubes to heat air that enters at 1 atm and 25°c. the air moves at 5 m/s in cross flow over the tubes. each tube is 1 m long and has an outside diameter of 10 mm. what is the minimum value of nl needed to achieve an outlet temperature of t 75 c? what is the corresponding pressure drop across the tube bank?
Answers: 3
Engineering, 05.07.2019 23:20
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Answers: 3
Calculate z and v for nitrogen trifluoride at 300 k and 95 bar by the following equations (a) the tr...
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