A binary vapour cycle operates on mercury and steam. Standard mercury vapour at 4.5 bar is supplied to themercury turbine, from which it exhausts at 0.04 bar. The mercury condenser generates saturated steam at 15bar which is expanded in a steam turbine to 0.04 bar.(1) Determine the overall efficiency of the cycle.(ii) If 48000 kg/h of steam flows through the steam turbinc, what is the flow through the mercury turbine ?(ii) Assuming that all processes are reversible, what is the useful work donc in the binary vapour aycle for thespecified steam flow ?(iv) If the steam leaving the mercury condenser is superhecated to a temperature of 300°C in a superhcaterlocated in the mercury boiler and if the internal efficiencies of the mercury and steam turbines are O.84 and0.88 respectively, calculate the overall efficiency of the cycle. The properties of standard mercury are givenbelow :hfkJlkg) h,(kJlkg) sp (kJlkg K) §, (kJkg K) v, (m³Ihg) v, (m³Ikg)0.5397p (bar) t (°C)4.545062.93355.980.135279.9 x 1060.0680.04216.929.98329.850.08080.692576.5 x 1065.178.

Answered: Image /qna-images/answer/c759afee-8ad4-496b-8589-bb433c7eccc2.jpg

A binary vapour cycle operates on mercury and steam. Standard mercury vapour at 4.5 bar is supplied to the mercury turbinc, from which it exhausts at 0.04 bar. The mercury condcnser generates saturated steam at 19 bar which is expanded in a steam turbinc to D.04 bar. 1) Determino the overall officiency of the cydle. (i) If 48000 kg/M of steam flows through the steam turbinc, what is the flow through the mercury turbine Cüi) Assuming that all processes are reversible, what is the useful work done in the binary vapour aycle for the specified steam flow ? (iv) If the steam lcaving the mercury condenser is superhcated to a temperaturc of 300°C in a superhcater located in the mercury boiler and if the internal officiencies of the mercury and steam turbines are D.84 and 0.88 respectivcly, calculate the overall officienoy of the aycle. The propertios of standard mercury arc given below : p (bar) t(°C) hfkJ/kg) hhJ/kg) s, (kJ/hg K) s, (kJlkg K) v, (m³lkg) v, (m³lkg) 4.5 450 62.93 355.98 0.1352 0.5397 79.9 × 10* 0.068 0.04 216.9 29.98 329.85 0.0808 0.6925 76.5 x 10 5.178.

A binary vapour cycle operates on mercury and steam. Standard mercury vapour at 4.5 bar is supplied to the mercury turbinc, from which it exhausts at 0.04 bar. The mercury condcnser generates saturated steam at 19 bar which is expanded in a steam turbinc to D.04 bar. 1) Determino the overall officiency of the cydle. (i) If 48000 kg/M of steam flows through the steam turbinc, what is the flow through the mercury turbine Cüi) Assuming that all processes are reversible, what is the useful work done in the binary vapour aycle for the specified steam flow ? (iv) If the steam lcaving the mercury condenser is superhcated to a temperaturc of 300°C in a superhcater located in the mercury boiler and if the internal officiencies of the mercury and steam turbines are D.84 and 0.88 respectivcly, calculate the overall officienoy of the aycle. The propertios of standard mercury arc given below : p (bar) t(°C) hfkJ/kg) hhJ/kg) s, (kJ/hg K) s, (kJlkg K) v, (m³lkg) v, (m³lkg) 4.5 450 62.93 355.98 0.1352 0.5397 79.9 × 10* 0.068 0.04 216.9 29.98 329.85 0.0808 0.6925 76.5 x 10 5.178.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

5.18 : Taking the data of the preceding problem except the final temperature of the cooling water is to be taken to apply to a jet condenser, calculate the weight of injection (cooling) water required per kg of steam.
Simulates the following thermodynamic cycle. Flow rate (Refrig-23) R-23 is 1 kg per hour and the pressure pressure in all converters is zero. Find the flow rate (Refrig-22) of R-22 in kgmole / h and W1. Compressors have an adiabatic range of 75%. (FP.PR)
Q2/Gas turbine unit having heat exchanger with thermal ratio(0.75),ahigh pressure stage turbine drives the compressor and a low pressurestage turbine generate the power. The overall pressure ratio is (5/1) andthe maximum temperature is (1000 o c).The isentropic efficiencies ofcompressor, H.P.T and L.P.T are (0.7),(0.78) and (0.8) respectively andmechanical efficiency of both shafts is (99 %) . Calculate:a- The pressure between turbine stages when the air intake conditionare (1 bar) and (29 oc) b- Thermal efficiency when the mass flow is (30 kg/sec)Cpg= 1.15 kJ/kg.K ɣg=1.33
Need detailed solution
answer all with explanation
Q 4) A simple vapour compression plant produces (5 tonnes) of refrigeration. The enthalpy values at inlet to compressor, at exit from the compressor, and at exit from the condenser are (183.19, 209.41 and 74.59 kJ/kg) respectively. Determine :- (i) The refrigerant flow rate, (ii) The C.O.P. (ii) The power required to drive the compressor. (iv) The rate of heat rejection to the condenser.
In an ideal Rankine cycle, steam is generated at 4.1 MPa and 480 deg. C. The condenser is at 32 deg. C. Determine: a. The cycle thermal efficiency b. For the engine with the same end states, the thermal efficiency and steam rate
A 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 + SN/10 ) kg/sec of steam circulated and fill up the blanks in theitems below:1. TS diagram with the cycle showing correct location of points with respect to saturation domeline with ne and nc = 90%.2. If the generator efficiency = 95%, brake engine efficiency = 90% what is the brake work in KW?Answer: ______________________3. Actual Steam Rate for the engine in Kg/KW-hr with efficiency values at item 2. Answer: _________________________
Bokr Py- 6000 kP Wpampin Pump Turbine P50 kPa Condenser "punpin Figure 2 (b) Determine the thermal efficiency of the cycle in part (a) when the liquid enters the pump 1.3°C cooler than a saturated liquid at the condenser pressure.
please answer 6 to 10
Steam is generated at 10 MPa and 450OC and condensation occurs at 170 kPa. (a)For a Rankine engine operating between these limits, compute the thermal efficiency and the heat rate. (b) Considering that a Rankine cycle occurs between the limits, determine QA, QR, WNet, and eC. (c)What mass flow rate is required for a net output of 35 MW?
A binary-vapour cycle operates on mercury and steam. Saturated mercury vapour at 4.5 bar is suppliedto the mercury turbine, from which it exhaust at 0.04 bar. The mercury condenser generates saturatedsteam at 15 bar which is expanded in a steam turbine to 0.04 bar.(i) Find the overall efficiency of the cycle.(ii) If 50000 kg/h of steam flows through the steam turbine, what is the flow through the mercuryturbine ?(iii) Assuming that all processes are reversible, what is the useful work done in the binary vapour cyclefor the specified steam flow ?(iv) If the steam leaving the mercury condenser is superheated to a temperature of 300°C in a superheaterlocated in the mercury boiler, and if the internal efficiencies of the mercury and steam turbinesare 0.85 and 0.87 respectively, calculate the overall efficiency of the cycle. The properties ofsaturatedmercury are given below :