ICE : Spark Ignition Hydrogen Internal Combustion Engine, Motore a combustione interna ad accensione comandata ad idrogeno

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NOMENCLATURA

H

₂

ICE : Hydrogen Internal Combustion Engine, Motore a combustione interna ad idrogeno SI H

₂

ICE : Spark Ignition Hydrogen Internal Combustion Engine, Motore a combustione interna ad accensione comandata ad idrogeno

LH

₂

: Liquid Hydrogen, Idrogeno liquido

HHV: Higher Heating Value, Potere calorifico superiore (PCS)

LHV: Lower Heating Value, Potere calorifico inferiore (PCI)

߶: Rapporto di equivalenza

BFL: BackFire Limit, Limite massimo di ߶ per evitare il backfire IT: Ignition Timing, Istante di accensione

CR: Compression Ratio, Rapporto di compressione SOI: Start Of Injection, Istante di inizio iniezione

VOP: Valve Overlap Period, Periodo di incrocio delle valvole

IMEP: Indicated Mean Effective Pressure, Pressione indicata media effettiva TDC: Top Dead Center, Punto morto superiore

BDC: Bottom Dead Center, Punto morto inferiore ATDC: After TDC, Dopo il TDC

BTDC: Before TDC, Prima del TDC DI: Direct Injection, Iniezione diretta

PFI: Port Fuel Injection, Iniezione indiretta proprio a monte della valvola di aspirazione HAJI: Hydrogen Assisted Jet Injection

EGR: Exhaust Gas Recirculation, Ricircolazione dei gas di scarico

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