What Will The Ideal Hydrogen ICE Look Like

1、1What Will The Ideal Hydrogen ICE Look Like?Paul McLachlanPivotal Engineering Ltd2What is an Internal Combustion Engine ?34High power density?100 Hp100 Hp5What is an Internal Combustion Engine?EngineTorqueFuel6Where do we start ?First establish the criteriathen design a new enginethat has all the re

2、quired features7A very different fuel requires a very different device8Hydrogen Combustion Characteristics Low volumetric power density Low ignition energy requirement High flame speed at stoichiometric ratios High auto ignition temperature Short quenching distance High diffusivity9Hydrogen Combusti

3、on Characteristics Low volumetric power density Low ignition energy requirement High flame speed at stoichiometric ratios High auto ignition temperature Short quenching distance High diffusivity10High Flame-front Speed11Hydrogen Combustion Characteristics Low volumetric power density Low ignition en

4、ergy requirement High flame speed at stoichiometric ratios High auto ignition temperature Short quenching distance High diffusivity12Criteria for H2 engine Full thermal control High power density High thermal efficiency Low parasitic losses Crankcase flushing Longevity Low Cost Dual fuel capability1

5、314The Water Cooled Pivotal Piston15Moving Mass takes EnergyMore MassMore EnergyMore FuelMore Emissions16Do we use our car less?Or do we take less car with us?17An Automotive ComparisonToyota V6Pivotal Opp 4Capacity (cc /CI) 3000 / 1832000 /122Power (hp)220220Weight (lb)380160Box Size (cu.ft)12618Co

6、mpact Car with 220 HP Pivotal Engine1996199820002003200619400 ccTwin chamber11000 RPM100 MPHThe 400cc Motorcycle1996199820002003200620One Litre Twin Chamber EngineWater-cooled piston1000cctwin chamber100 hp 6200 rpm1996199820002003200621Pivotal DI Engine1000 cc Twin Chamber Orbital direct injection1996199820002003200622Pivotal Light Sport Plane EnginePower 120 hp.Weight 120 lb.TBO 1000 hours.BSFC lb.per hp/hr199619982000200320062330 KW Stand Alone Genset30 KW250 Kg242 Litre Opposed Four Engine25The Pivotal engine has the potential to power