Turbo Physics Grade 12 Pdf

T₂ = T₁ × (P₂/P₁)^((γ-1)/γ)

| Misconception | Grade 12 Reality | |---------------|------------------| | “Turbos use exhaust pressure to spin.” | They use and enthalpy , not static pressure alone. | | “A bigger turbine always gives more power.” | No – moment of inertia increases, slowing response. Trade-off per rotational dynamics. | | “The compressor and turbine spin at same speed.” | True, because they’re on a common shaft. Angular velocity ( \omega ) is identical. | | “Bernoulli applies everywhere in a turbo.” | Only in frictionless, incompressible regions – real turbos use Euler’s turbine equation. | turbo physics grade 12 pdf

Grade 12 thermodynamics introduces the and the first law : ( \Delta U = Q - W ). A turbocharger operates on an open version of the Brayton cycle: T₂ = T₁ × (P₂/P₁)^((γ-1)/γ) | Misconception |

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T₂ = T₁ × (P₂/P₁)^((γ-1)/γ)

| Misconception | Grade 12 Reality | |---------------|------------------| | “Turbos use exhaust pressure to spin.” | They use and enthalpy , not static pressure alone. | | “A bigger turbine always gives more power.” | No – moment of inertia increases, slowing response. Trade-off per rotational dynamics. | | “The compressor and turbine spin at same speed.” | True, because they’re on a common shaft. Angular velocity ( \omega ) is identical. | | “Bernoulli applies everywhere in a turbo.” | Only in frictionless, incompressible regions – real turbos use Euler’s turbine equation. |

Grade 12 thermodynamics introduces the and the first law : ( \Delta U = Q - W ). A turbocharger operates on an open version of the Brayton cycle: