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.

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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

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