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Atmospheric work production process Energy conservation in an open system.

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Presentation on theme: "Atmospheric work production process Energy conservation in an open system."— Presentation transcript:

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5 Atmospheric work production process Energy conservation in an open system

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7 A hurricane viewed as a Carnot cycle n = 1 – Tc / Th = 1 – 200/300 = 33% Source Divine Wind by Kerry Emanuel Efficiency

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10 Reversible and Irreversible Expansion

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14 Gravity Power Cycle

15 Brayton gas-turbine power cycle

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17 Irreversible Gravity Cycle

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19 The AVE replaces the physical chimney with centrifugal force in a vortex. The AVE eliminates the solar collector by using waste heat or natural low temperature heat sources.

20 Work 41 kW Friction losses 4 kW Conditions: P b 100 kPa T b ambient 30 °C T t ambient 28 °C T b chimney 47 °C z 200 m Velocity 8 m/s Flow 680 kg/s Ideal Work 75 kW Exit vel. k.e. 22 kW Turbine Loses 8 kW Conditions: Collector Efficiency 31 % Turbine Efficiency 80 % Insolation 1000 W/m 2 Dia. Chimney 10 m Dia. Collector 244 m Total Insolation 37,700 kW Heat input 11,680 kW Manzanares Solar Chimney – Base Case - Energy budget (Based on actual operating conditions) Resulting efficiency: Ideal 0.64 % (Carnot) Actual 0.35 % Overall 0.11 %

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22 Petrolia 4 m prototype vortex

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