An open-cycle OTEC system operates with warm surface water at 24 C and surface condenser water...
An open-cycle OTEC system operates with warm surface water at 24 C and surface condenser water of 14 C from the deep cold water at 12 C. The evaporator pressure is 0.0264 bar that corresponds to a saturation temperature of 22 C, and the condenser pressure and temperature are 16 C and 0.0182 bar. The turbine efficiency is 0.83. If the turbine is to extract 100 kW, determine the system efficiency and the warm water, cold water, and turbine mass flow rates.
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An open-cycle OTEC system operates with warm surface water at 24
C and surface condenser water...
Calculate h1,h2,h3,h4 & Work turbine & Wpump from Rankine Cycle T1=5 Celisius & T2= 26.9 Celisius....
Calculate h1,h2,h3,h4 & Work turbine & Wpump from
Rankine Cycle T1=5 Celisius & T2= 26.9 Celisius. ( Ammonia) is
the fluid
However, Lockheed Martin a company that has paired up with The Reignwood Group to build a commercial 10 MW OTEC system which will be the largest OTEC system in operation to date [4). This will be a floating platform constructed off the coast of China where conditions are prime for an OTEC plant, which means a warm surface water...
A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated water...
A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated water vapor enters turbine 1 (efficiency of 85%) at a flow rate of 5 kg/sec, 50 bar and 500°C and expands to 1.5 bar. Half of the flow is extracted for industrial heating and the rest enters a heat exchanger. The condensate leaves the heat exchanger as saturated liquid at 1 bar and combines with the return flow from the industrial process, which comes back...
3. A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated...
3. A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated water vapor enters turbine 1 (efficiency of 85%) at a flow rate of 5 kg/sec, 50 bar and 500°C and expands to 1.5 bar. Half of the flow is extracted for industrial heating and the rest enters a heat exchanger. The condensate leaves the heat exchanger as saturated liquid at 1 bar and combines with the return flow from the industrial process, which comes...
3. A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated...
3. A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated water vapor enters turbine 1 (efficiency of 85%) at a flow rate of 5 kg/sec, 50 bar and 500°C and expands to 1.5 bar. Half of the flow is extracted for industrial heating and the rest enters a heat exchanger. The condensate leaves the heat exchanger as saturated liquid at 1 bar and combines with the return flow from the industrial process, which comes...
An ideal reheat Rankine cycle with water as the working fluid operates the inlet of the...
An ideal reheat Rankine cycle with water as the working fluid operates the inlet of the high-pressure turbine at 8000 kPa and 450°C, the inlet of the low-pressure turbine at 300kPa and 500°C, and the condenser at 10 kPa. Determine the mass flow rate through the boiler needed for this system to produce a net 5000 kW of power and the thermal efficiency of the cycle.
3. A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated...
3. A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated water vapor enters turbine 1 (efficiency of 85%) at a flow rate of 5 kg/sec, 50 bar and 500°C and expands to 1.5 bar. Half of the flow is extracted for industrial heating and the rest enters a heat exchanger. The condensate leaves the heat exchanger as saturated liquid at 1 bar and combines with the return flow from the industrial process, which comes...
A nuclear power plant based on the Rankine cycle operates with a boiling-water reactor to develop...
A nuclear power plant based on the Rankine cycle operates with a boiling-water reactor to develop net cycle power of 3 MW. Steam exits the reactor core at 100 bar, 52O degree C and expands through the turbine to the condenser pressure of 1 bar. Saturated liquid exits the condenser and is pumped to the reactor pressure of l00 bar. Isentropic efficiencies of the turbine and pump are 81% and 78%, respectively. Cooling water enters the condenser at 15 degree...
A simple Rankine cycle uses water as the working fluid. The boiler operates at 6000 kPa...
A simple Rankine cycle uses water as the working fluid. The boiler operates at 6000 kPa and the condenser at 40 kPa. At the entrance to the turbine, the temperature is 380 °C. The isentropic efficiency of the turbine is 88 %, pressure and pump losses are negligible, and the water leaving the condenser is subcooled by 5.9 °C. The boiler is sized for a mass flow rate of 17 kg/s. Determine the following values. °C m®/kg 1 kJ/kg (1)...
C. (35%) A power plant operates on a superheat vapor power cycle with water is the...
C. (35%) A power plant operates on a superheat vapor power cycle with water is the working fluid. Superheated steam enters the turbine at 80 bar, 480° C, and expands to 0.08 bar to the condenser and becomes saturated liquid enters the feed water pump. The net cycle work output is 100 MW. Assume isentropic process exists at the turbine and the pump. (a) Sketch the schematic and T-S diagram of the power cycle (5%), (b) determine the heat input...
Tutorial Questions 1 1. Water is the working fluid in an ideal Rankine cycle. The condenser...
Tutorial Questions 1.1. Water is the working fluid in an ideal Rankine cycle. The condenser pressure is kPa, and saturated vapor enters the turbine at 10 MPa. Determine the heat transfer rates, in kJ per kg of steam flowing, for the working fluid passing through the boiler and condenser and calculate the thermal efficiency.2. Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 16 MPa, and the condenser pressure is 8 kPa ....
Calculate h1,h2,h3,h4 & Work turbine & Wpump from
Rankine Cycle T1=5 Celisius & T2= 26.9 Celisius. ( Ammonia) is
the fluid
However, Lockheed Martin a company that has paired up with The Reignwood Group to build a commercial 10 MW OTEC system which will be the largest OTEC system in operation to date [4). This will be a floating platform constructed off the coast of China where conditions are prime for an OTEC plant, which means a warm surface water...
A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated water vapor enters turbine 1 (efficiency of 85%) at a flow rate of 5 kg/sec, 50 bar and 500°C and expands to 1.5 bar. Half of the flow is extracted for industrial heating and the rest enters a heat exchanger. The condensate leaves the heat exchanger as saturated liquid at 1 bar and combines with the return flow from the industrial process, which comes back...
3. A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated water vapor enters turbine 1 (efficiency of 85%) at a flow rate of 5 kg/sec, 50 bar and 500°C and expands to 1.5 bar. Half of the flow is extracted for industrial heating and the rest enters a heat exchanger. The condensate leaves the heat exchanger as saturated liquid at 1 bar and combines with the return flow from the industrial process, which comes...
3. A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated water vapor enters turbine 1 (efficiency of 85%) at a flow rate of 5 kg/sec, 50 bar and 500°C and expands to 1.5 bar. Half of the flow is extracted for industrial heating and the rest enters a heat exchanger. The condensate leaves the heat exchanger as saturated liquid at 1 bar and combines with the return flow from the industrial process, which comes...
3. A cogeneration system works with a water cycle and a refrigerant (ammonia) cycle combined. Superheated water vapor enters turbine 1 (efficiency of 85%) at a flow rate of 5 kg/sec, 50 bar and 500°C and expands to 1.5 bar. Half of the flow is extracted for industrial heating and the rest enters a heat exchanger. The condensate leaves the heat exchanger as saturated liquid at 1 bar and combines with the return flow from the industrial process, which comes...
A nuclear power plant based on the Rankine cycle operates with a boiling-water reactor to develop net cycle power of 3 MW. Steam exits the reactor core at 100 bar, 52O degree C and expands through the turbine to the condenser pressure of 1 bar. Saturated liquid exits the condenser and is pumped to the reactor pressure of l00 bar. Isentropic efficiencies of the turbine and pump are 81% and 78%, respectively. Cooling water enters the condenser at 15 degree...
A simple Rankine cycle uses water as the working fluid. The boiler operates at 6000 kPa and the condenser at 40 kPa. At the entrance to the turbine, the temperature is 380 °C. The isentropic efficiency of the turbine is 88 %, pressure and pump losses are negligible, and the water leaving the condenser is subcooled by 5.9 °C. The boiler is sized for a mass flow rate of 17 kg/s. Determine the following values. °C m®/kg 1 kJ/kg (1)...
C. (35%) A power plant operates on a superheat vapor power cycle with water is the working fluid. Superheated steam enters the turbine at 80 bar, 480° C, and expands to 0.08 bar to the condenser and becomes saturated liquid enters the feed water pump. The net cycle work output is 100 MW. Assume isentropic process exists at the turbine and the pump. (a) Sketch the schematic and T-S diagram of the power cycle (5%), (b) determine the heat input...
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