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The Yuchai YCK16H hydrogen-fueled engine was efficiently ignited in Yulin, Guangxi. The engine, with a displacement of 15.93 liters and a most horsepower of 560 hp, is the biggest hydrogen-fueled engine with the biggest displacement and horsepower in China.
The YCK16H adopts superior gasoline high-pressure widespread rail, high-pressure in-cylinder direct injection know-how and dual-channel turbocharging know-how, which might understand homogeneous combustion or stratified combustion within the cylinder as required, that includes stronger energy efficiency, increased thermal effectivity and higher stability.
The platform has excessive adaptability to gasoline purity and will be tailored to fuels ready by gray hydrogen, inexperienced hydrogen, methanol-produced hydrogen, and different means. The gasoline provide will be freely mixed in response to person wants and the fundamental circumstances of gasoline manufacturing, storage and transportation, which is a extremely adaptable, versatile and controllable zero-carbon/low-carbon energy resolution.
To unravel the issue of the comparatively small energy per liter of hydrogen-fueled engines, Yuchai selected the YC16H platform, which has increased horsepower however is smaller and lighter than related merchandise, and will be extensively utilized in situations reminiscent of 49T tractors and different heavy industrial autos and distributed vitality sources.
The appliance of varied various fuels places ahead increased necessities on engine reliability and flexibility. YCK16H adopts the independently developed clever management system and high-efficiency air administration system, which might understand each equal ratio combustion and lean combustion, and may modify the injection gasoline strain and air consumption quantity in response to completely different fuels, in order to provide play to the position of various fuels effectively.
It applies high-reliability gasoline injection system know-how, electric-driven closed recirculation know-how and superior exhaust gasoline recirculation know-how to forestall the prevalence of issues reminiscent of tough ignition and unstable combustion in ammonia-fueled inside combustion engines. It adopts clever variable management know-how, which might convert completely different fuels by adjusting the gasoline system and clever management software program with out altering the principle physique of the engine, in order to cut back the event price of car producers and higher meet buyer wants.
The appliance of ammonia gasoline and methanol can be one of many highlights of this engine platform. In contrast with hydrogen, ammonia gasoline and methanol characteristic decrease preparation price, simpler storage, large software and fewer environmental impression. Based mostly on the above benefits, ammonia-fueled inside combustion engines and methanol-fueled inside combustion engines have a broader growth prospect. The event of YCK16H supplies a very good technical platform for the appliance of single gasoline of ammonia or methanol, ammonia-hydrogen blended gasoline and diesel-methanol blended gasoline, and lays a technical basis for China to develop zero-carbon emission inside combustion engines.
Li Hanyang, Secretary of the Social gathering Committee and Chairman of Yuchai Group, ignited YCK16H. He mentioned that the brand new vitality engine discipline has developed quickly lately. Yuchai, as a producer of conventional engines, has taken the initiative to embrace clean-energy engines, made breakthroughs in clean-energy engines, and supported China’s strategic objectives of “carbon peaking and carbon neutrality”.
In December 2021, Yuchai efficiently ignited China’s first hydrogen-fueled engine YCK05H oriented to city buses, municipal administration, sanitation, logistics and distribution fields, driving China’s inside combustion engine business into the zero-carbon vitality energy system phase, and marking the beginning of the R&D of hydrogen-fueled engines for industrial autos in China.
After finishing the event of the light-duty hydrogen-fueled engine platform, Yuchai has launched YCK16H heavy-duty in-cylinder direct injection hydrogen-fueled engines, making Yuchai the one skilled energy system provider masking light-duty and heavy-duty hydrogen-fueled inside combustion engines and gasoline cell techniques within the discipline of hydrogen vitality in China.
The pure gasoline engine YCK15N developed based mostly on this platform has accomplished bench assessments and automobile highway assessments, and is predicted to be put into mass manufacturing by the tip of 2022. The verification outcomes present that YCK15N has increased reliability, the variety of cylinder head low-cycle fatigue cycles will increase by 2.35 occasions, and B10 reaches 1 million kilometers. It adopts the business’s first EGR system and crankcase system anti-icing patented know-how, and may nonetheless function usually at -40℃. It’s cost-effective for it has adopted the business’s first TWC (three-way catalyst) + ASC(ammonia slip catalyst) + decarbonization know-how, which implies that the endurance mileage of this product doubles, the bottom gasoline consumption is at the least 5% decrease than that of comparable merchandise, and the torque is bigger than that of comparable merchandise. This product might be extensively utilized in 6X4 high-end tractors for trunk line logistics, and standard-load composite tractors in mountainous or plateau areas.
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