A review on the recent advances of flash boiling atomization and combustion applications

IF 32 1区工程技术 Q1 ENERGY & FUELS

Progress in Energy and Combustion Science Pub Date : 2023-09-22 DOI:10.1016/j.pecs.2023.101119

Xuesong Li , Shangning Wang , Shangze Yang , Shuyi Qiu , Zhe Sun , David L.S. Hung , Min Xu

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引用次数: 3

Abstract

Flash boiling atomization is a promising approach to enhance spray atomization with internal energy as the driving force as well. Past investigations primarily focused on the morphologies and macroscopic characteristics of flash boiling sprays. Recently, with the advances in experimental techniques and the need in developing cleaner and more efficient combustion systems, thorough and detailed analyses were carried out on flash boiling atomization. This review article will introduce and discuss recent flash boiling advances using experimental approaches. This work will first discuss the gas-liquid, two-phase features in the nozzle and the impacts on the primary breakup of flash boiling sprays. Then, the characteristics of the external flash boiling spray plumes will be discussed with a dense vapor and sparse droplet feature. Furthermore, practical issues in adopting flash boiling atomization such as injector tip-wetting and spray wall impingement effects are covered in the flash boiling regime. Finally, practical applications of flash boiling atomization in combustors such as reciprocating internal combustion engines are presented. It is aimed that this review can provide an up-to-date summary of the current state-of-the-art of flash boiling atomizations and shed light on the future development of active flashing atomization techniques.

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闪速沸腾雾化及其燃烧应用的最新进展

闪沸雾化是一种以内能为驱动力的喷雾雾化方法。以往的研究主要集中在闪蒸喷雾的形态和宏观特征上。近年来，随着实验技术的进步和开发更清洁、更高效的燃烧系统的需要，对闪蒸雾化进行了深入细致的分析。这篇综述文章将用实验方法介绍和讨论闪蒸的最新进展。这项工作将首先讨论喷嘴中的气液两相特征以及对闪蒸喷雾初级破裂的影响。然后，将讨论具有密集蒸汽和稀疏液滴特征的外部闪蒸喷雾羽流的特征。此外，在闪蒸状态下，还讨论了采用闪蒸雾化的实际问题，如喷嘴尖端润湿和喷雾壁冲击效应。最后，介绍了闪蒸雾化在往复式内燃机等燃烧室中的实际应用。这篇综述的目的是对闪沸雾化的最新技术进行总结，并对主动闪沸雾化技术的未来发展提供启示。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Progress in Energy and Combustion Science 工程技术-工程：化工

CiteScore

59.30

自引率

0.70%

发文量

审稿时长

3 months

期刊介绍： Progress in Energy and Combustion Science (PECS) publishes review articles covering all aspects of energy and combustion science. These articles offer a comprehensive, in-depth overview, evaluation, and discussion of specific topics. Given the importance of climate change and energy conservation, efficient combustion of fossil fuels and the development of sustainable energy systems are emphasized. Environmental protection requires limiting pollutants, including greenhouse gases, emitted from combustion and other energy-intensive systems. Additionally, combustion plays a vital role in process technology and materials science. PECS features articles authored by internationally recognized experts in combustion, flames, fuel science and technology, and sustainable energy solutions. Each volume includes specially commissioned review articles providing orderly and concise surveys and scientific discussions on various aspects of combustion and energy. While not overly lengthy, these articles allow authors to thoroughly and comprehensively explore their subjects. They serve as valuable resources for researchers seeking knowledge beyond their own fields and for students and engineers in government and industrial research seeking comprehensive reviews and practical solutions.