Turbofan Bypass Ratio · BPR = ṁ_bypass / ṁ_core
unseel.com · Fighter (1:1) → Airliner (5:1) → GTF (12:1)
BPR 1.0
Engine
Mode
Bypass air (cool)
Core air (hot)
Fan blades
Combustor flame
Unseel.com · Turbofan BPR