A distillation column with a total of 13 actual stages (including a partial condenser) is used to perform a separation which requires 7 ideal stages. Calculate the overall column efficiency, and report your answer in %
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A distillation column with a total of 13 actual stages (including a partial condenser) is used to perform a separation which requires 7 ideal stages. Calculate the overall column efficiency, and report your answer in %
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- A two-stage R-22 system uses flash-gas remoal and intercooling as in the previous problem. The evaporating temperature is -40 C and the condensing temperature is 30 C. The pumping capacity of the high and low stage compressors is shown below: (from picture solve a and b)A Rankine cycle is executed with steam expanding initially from 20 MPaa and 100 deg SH. Condensation occurs at 399.967 millibars vac. All expansion and compression efficiencies are 90 %. Sketch the equipment layout and the TS diagram. Answer the following for (m = 10 + (SN/5) ) kg/sec of steam circulated and fill up the blanks in the items below: 1. TS diagram with the cycle showing correct location of points with respect to saturation dome line with ne and nc = 90%. 2. Actual heat rate in KJ/KW-hr Answer: _______________________ 3. Heat rejected at the condenser in KW (Ideal) Answer: _____________________ 4. Ideal Rankine engine efficiency % Answer: _______________________ 5. Ideal Rankine cycle efficiency % Answer: _______________________ 6. Actual Rankine cycle efficiency using pump and turbine work % Answer: _______________ 7. Actual Rankine cycle efficiency using Qa and Qr values % Answer: _______________ 8. If the generator efficiency = 95%, brake engine efficiency = 90% what is…Consider an ideal Hampson-Linde cycle in which no heat is lost to the environment. Use the data in attached Table to calculate the fraction of nitrogen liquefied on each pass through a Hampson-Linde cycle operating between 1 bar and 100 bars, with an input temperature of 300 K. Assume that the heat exchanger works perfectly, so the temperature of the low pressure gas coming out of it is the same as the temperature of the high-pressure gas going in. Repeat the calculation for an input temperature of 200 K.
- Steam is generated at 4.10 Mpa and 440°C and condensation occurs at 0.105 MPa a. For a Rankine engine operating between these limits, computethe thermal efficiency and the heat rate b. Considering that a Rankine cycle occurs between same limits, determine QA, QR, Wnet and eth c. What mass flow rate is required for a net output of 30 000 kW Don't answer the given problem, just give me the schematic diagram and t-s diagram of the given problemPlease show the coimplete solution. (Example: Conversion of Units) In an ammonia condensing machine (Compressor Plus Condenser) the water used for condensing is 55°F and the evaporator is at 15°F. Calculate the ideal COP.A distillation column with a total condenser and a partial reboiler is separating ethanol andwater at 1.0 atm. Feed is 0.32 mol fraction ethanol and it enters as a saturated liquid at 100mol/s on the optimum plate. The distillate product is a saturated liquid with 80 mol% ethanol.The condenser removes 5615 kW. The bottoms product is 0.05 mol fraction ethanol. AssumeCMO is valid.(a) Find the number of equilibrium stages for this separation. [6 + PR](b) Find how much larger the actual reflux ratio, R, used is than Rmin, i.e. R/Rmin. [3]Note: the heats of vaporization of ethanol and water are λe = 38.58 and λw = 40.645
- A distillation column with a total condenser and a partial reboiler is separating ethanol andwater at 1.0 atm. Feed is 0.32 mol fraction ethanol and it enters as a saturated liquid at 100mol/s on the optimum plate. The distillate product is a saturated liquid with 80 mol% ethanol.The condenser removes 5615 kW. The bottoms product is 0.05 mol fraction ethanol. AssumeCMO is valid.(a) Find the number of equilibrium stages for this separation. [6 + PR](b) Find how much larger the actual reflux ratio, R, used is than Rmin, i.e. R/Rmin. [3]Note: the heats of vaporization of ethanol and water are λe = 38.58 and λw = 40.645 5. A vapour compression refrigeration plant using R12 has saturation temperatures in the evaporator and condenser of -20°C and 35°C respectively. The R12 leaving the condenser is undercooled by 5°C and leaving the evaporator it is superheated by 15°C. The R12 circulates at 10kg/m. Calculate: (a). the dryness fraction of the R12 at the evaporator inlet (b). the cooling load in kW (c). the rate of work done on the R12 in the compressor (d). the plant capacityA Rankine cycle is executed with steam expanding initially from 20 MPaa and 100 deg SH. Condensation occurs at T = 86.49 degree Celsius. All expansion and compression efficiencies are 90 %. Sketch the equipment layout and the TS diagram. Answer the following for (m = 10 + 25/10 ) kg/sec of steam circulated and fill up the blanks in theitems below: 4. Heat rejected at the condenser in KW (Ideal) Answer: ___________________5. Ideal Rankine engine efficiency (% ) Answer: _________________________6. Ideal Rankine cycle efficiency using work of the pump and turbine values % Answer: _________________________
- Steam is generated at 5.15 Mpa and 525C and condensation occurs at 0.127 Mpa. Considering that a Rankine cycle occurs between the same limits, determine the QA, QR, Wnet, cycle efficiency, engine efficiency and heat rate. What mass flow rate is required for a net output of 25000 kW?Please Answer all my Question .. Please help me , I don't want plagiarism.5. Sketch a Rankine eycle on T-s diagram and derive the thermal efficiency for a rankine eycle from its 4 steps. Show on T-S plot and discuss what is the effect of a. Increasing superheat b. decreasing condenser pressure c. Adding friction at pump and turbine