Physics Grade 12 Pdf - Turbo

He learned is the time to reach the boost threshold. It’s governed by the moment of inertia of the rotating assembly and the exhaust enthalpy flow .

Kael disassembled the twin volutes: the turbine housing (hot side) and compressor housing (cold side). Inside, he found two wheels connected by a common shaft. He knew the basics—exhaust gases spin the turbine, which spins the compressor, which shoves more air into the engine—but why did that make power?

Using angular dynamics: τ = I × α, where τ = torque from turbine, I = rotational inertia, α = angular acceleration. turbo physics grade 12 pdf

New density at 1.7 atm, 45°C (318 K): ρ = (1.7×101325)/(287×318) ≈ 172252/91266 ≈ 1.89 kg/m³

At 1.8 atm and 135°C (408 K): ρ = (1.8 × 101325 Pa) / (287 J/kg·K × 408 K) ρ ≈ 182385 / 117096 ≈ 1.56 kg/m³ He learned is the time to reach the boost threshold

At steady state, Power_turbine × η_mech = Power_compressor

He applied the (from the First Law of Thermodynamics, ΔU = Q – W, with Q=0 for rapid compression): Inside, he found two wheels connected by a common shaft

That diagram became the cover of a new PDF guide: Turbo Physics for Grade 12 . If you want, I can convert this story into a clean, printable PDF layout with diagrams (described in text) and a formula summary page. Just let me know, and I’ll generate the PDF-ready content.

For air, γ = 1.4, so (0.4/1.4) = 0.286.