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ប្លង់Sciencesរូបវិទ្យា

រូបវិទ្យា

747 ប្លង់មាន • 15 ប្រភេទរង

ប្លង់ (747)

The Savonius Rotor: Two Hollow Vanes, Any Wind, Always Starts

The Savonius Rotor: Two Hollow Vanes, Any Wind, Always Starts

ដោយ VoltSE

ថាមពល

10
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The Betz Limit: Why No Rotor Takes More Than 16/27 of the Wind

The Betz Limit: Why No Rotor Takes More Than 16/27 of the Wind

ដោយ VoltSE

ថាមពល

10
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The Kaplan Turbine: A Propeller in a Pipe, With Blades That Turn

The Kaplan Turbine: A Propeller in a Pipe, With Blades That Turn

ដោយ EmmaSE

មេកានិក

14
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The Tesla Turbine: Discs, Not Blades, Driven by the Boundary Layer

The Tesla Turbine: Discs, Not Blades, Driven by the Boundary Layer

ដោយ MartinNO

មេកានិក

6
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The Turbocharger: The Exhaust Drives the Compressor

The Turbocharger: The Exhaust Drives the Compressor

ដោយ MartinNO

មេកានិក

14
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The Gas Turbine: When the Turbine Finally Beat Its Own Compressor

The Gas Turbine: When the Turbine Finally Beat Its Own Compressor

ដោយ MartinNO

មេកានិក

11
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The Sirocco Fan: Many Shallow Forward-Curved Blades

The Sirocco Fan: Many Shallow Forward-Curved Blades

ដោយ EmmaSE

មេកានិក

12
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Electricity From the Wind: The Cube Law and a Rotor on a Dynamo

Electricity From the Wind: The Cube Law and a Rotor on a Dynamo

ដោយ VoltSE

ថាមពល

13
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Fins and the Heat Sink: A Fin That Is Too Long Does Nothing

Fins and the Heat Sink: A Fin That Is Too Long Does Nothing

ដោយ EmmaSE

មេកានិក

9
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The Heat Pipe: Evaporation, Condensation and a Wick That Pumps

The Heat Pipe: Evaporation, Condensation and a Wick That Pumps

ដោយ EmmaSE

មេកានិក

21
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The Rotary Regenerator: Store Heat in a Wheel and Carry It Across

The Rotary Regenerator: Store Heat in a Wheel and Carry It Across

ដោយ MartinNO

មេកានិក

23
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The Plate Heat Exchanger: Thin Plates, Turbulence, and a Frame You Can Open

The Plate Heat Exchanger: Thin Plates, Turbulence, and a Frame You Can Open

ដោយ EmmaSE

មេកានិក

15
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Counterflow: The Same Area Does More When the Streams Run Opposite

Counterflow: The Same Area Does More When the Streams Run Opposite

ដោយ EmmaSE

មេកានិក

15
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The Radiator: Mostly Convection, and Why Temperature Is Everything

The Radiator: Mostly Convection, and Why Temperature Is Everything

ដោយ EmmaSE

មេកានិក

12
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The Water-Tube Boiler: Put the Water in the Tubes

The Water-Tube Boiler: Put the Water in the Tubes

ដោយ MartinNO

មេកានិក

9
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The Economiser: The Heat Still Going Up the Chimney

The Economiser: The Heat Still Going Up the Chimney

ដោយ MartinNO

មេកានិក

15
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The Fire-Tube Boiler: Surface, Not Fire, Makes Steam

The Fire-Tube Boiler: Surface, Not Fire, Makes Steam

ដោយ MartinNO

មេកានិក

20
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The Heat of Compression: Why Compressed Air Is Hot and Wet

The Heat of Compression: Why Compressed Air Is Hot and Wet

ដោយ MartinNO

មេកានិក

15
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The Air-Operated Double-Diaphragm Pump: It Stalls Instead of Bursting

The Air-Operated Double-Diaphragm Pump: It Stalls Instead of Bursting

ដោយ EmmaSE

មេកានិក

11
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The Screw Compressor: A Built-In Ratio, and the Cost of the Wrong One

The Screw Compressor: A Built-In Ratio, and the Cost of the Wrong One

ដោយ MartinNO

មេកានិក

14
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The Progressing-Cavity Pump: One Thread Fewer, and Nothing Is Squeezed

The Progressing-Cavity Pump: One Thread Fewer, and Nothing Is Squeezed

ដោយ EmmaSE

មេកានិក

16
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The Liquid-Ring Pump: The Water Is the Piston

The Liquid-Ring Pump: The Water Is the Piston

ដោយ MartinNO

មេកានិក

23
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The Scroll Compressor: Two Spirals, One Orbiting, No Valves

The Scroll Compressor: Two Spirals, One Orbiting, No Valves

ដោយ EmmaSE

មេកានិក

15
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The Steam Injector: Feeding a Boiler With Its Own Steam

The Steam Injector: Feeding a Boiler With Its Own Steam

ដោយ MartinNO

មេកានិក

15
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បង្ហាញ 24 ក្នុងចំណោម 747