We all forget that over sixty percent of fuel energy is lost as exhaust and as jacket heat forever. Of course sixty percent of grid energy is lost just getting to to you. Not precise of course, but that is certainly the order of magnitude.
which is why mobile energy storage through battery storage is so attractive. It will allow our energy production and distribution to be optimised by ridding ourselves from on demand 24/7 systems we now rely on.
In the meantime a better engine is welcome provided wear and tear does not degrade it too quickly.
China unveils world’s 1st diesel engine with 53.09% thermal efficiency
The team concentrated effort into optimizing four vital systems: fuel supply, air intake, combustion, and friction reduction.
APR 24, 2024
Since the invention of the diesel internal combustion engine 127 years ago, engineers and scientists have strived to improve its thermal efficiency.
In a markable advancement, the first diesel engine in history with an intrinsic thermal efficiency of 53.09 percent was unveiled by Chinese firm Weichai Power.
The firm showcased its new technology at the 2024 World Congress on Internal Combustion Engines, which commenced in Tianjin, China.
The accomplishment was recognized by TÜV SÜD, an internationally respected testing organization, and the China Automotive Technology & Research Center, a specialized testing entity for Chinese internal combustion engines.
Leading efficiency innovation
The percentage of diesel combustion energy transferred into useful engine output work without needing a waste heat recovery mechanism is known as the base engine’s thermal efficiency. The engine’s economy improves with the base engine’s increased thermal efficiency.
Weichai Power achieved a noteworthy milestone in this regard on September 16, 2020, when it unveiled a diesel engine that set a new record with a body thermal efficiency of 50.23 percent.
On January 8, 2022, the business made even more progress, raising the engine’s thermal efficiency to 51.09 percent. The company most recently achieved 52.28 percent thermal efficiency on November 20, 2022, surpassing its prior records.
The firm compared to mainstream products, which typically achieve an average thermal efficiency of 46 percent for diesel engines on the market. Deploying thermal efficiency technology in base engines with a 52.28 percent thermal efficiency can lead to a significant 12 percent reduction in both fuel consumption and carbon dioxide emissions.
Fine-tuning existing technologies
Weichai Power’s research team built on its prior successes by investing over 500 days of concentrated effort into optimizing four vital systems: fuel supply, air intake, combustion, and friction reduction.
The team effectively advanced high-expansion combustion, mixed-flow pressurization, high-efficiency fuel injection, and low-resistance friction-reducing technologies.
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