Abstract
As the aviation industry seeks to reduce its environmental impact and improve fuel efficiency, diesel engines have re-emerged as a promising alternative to traditional aviation fuels. This paper explores the historical development, advantages, challenges, and current applications of diesel engines in aviation. With their superior fuel efficiency, lower emissions, and enhanced durability, diesel engines offer significant potential for reducing operational costs and contributing to the industry's sustainability goals. However, challenges related to engine weight, performance limitations, certification processes, and noise concerns have slowed their widespread adoption. Key advancements in turbocharging, direct fuel injection, and hybrid integration are poised to overcome these obstacles, making diesel engines increasingly viable for various aviation sectors. Current applications, such as the Diamond DA40 and DA62, the Aero Vodochody L-39 Albatros, and the Pipistrel Alpha Electro, demonstrate the adaptability and cost-saving potential of diesel engines. The paper concludes by discussing future prospects for diesel engine technology in aviation, highlighting ongoing technological innovations and the critical role of regulatory support in fostering sustainable aviation solutions.
Published Version
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