氩气、氦气和氢气混合到从涡流燃烧器发出的LPG火焰：热能和CO抑制

IF 5 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Thermal Sciences Pub Date : 2025-09-29 DOI:10.1016/j.ijthermalsci.2025.110340

Ahmed Mahfouz M.M. Abd-Elgawad , Karim Emara , Ahmed Emara

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引用次数: 0

摘要

一氧化碳是最危险的有毒气体之一。这些气体杀死人类并危害环境。目前的研究表明，从水电解生产非碳酸燃料（氢）。氩气、氦气和氢气被用作液化石油气（LPG）燃料的添加剂，混合比例为5%、10%、15%、30%和40%。实验测量和数值模拟结果在空气燃料比（AFR = 24和18）和恒定热负荷下进行。对比结果表明，混合氢气可以减少70%的CO排放量，而混合氢气30%可以减少55%的CO排放量。氢引起更大的湍流和更好的均匀混合物。氦气和氩气是惰性载体，用于增加导热性，抑制热NOx的形成，并在广泛的操作条件下增强火焰稳定性。较高的烟尘核浓度位于火焰的上部前缘。大、中型锅炉和熔炉可以利用目前的问题，以尽量减少污染物和提高热能生产力。

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Argon, helium, and hydrogen blending to LPG flames issuing from swirl-induced burner: Thermal energy and CO inhibition

Carbon monoxide is one of the most dangerous poisonous gases. These gases kill human beings and harm the environmental surroundings. The current investigation illustrates production of non-carbonados fuel (Hydrogen) from water electrolysis. Argon, Helium and Hydrogen are used as additives for liquified petroleum gas (LPG) fuel with blending ratios (5, 10, 15, 30 and 40 %). Experimental measurements and numerical simulations results have been conducted at air fuel ratios (AFR = 24 and 18) and constant thermal load. Comparative findings show that blending hydrogen gas would diminish CO emissions by 70 % and 55 % by blending H₂ 30 %. Hydrogen causes higher turbulence and better homogenous mixture. Helium and Argon are inert carriers used to increase thermal conductivity, inhibit thermal NOx formation and enhance flame stability over wide range of operating conditions. Higher soot nuclei concentrations are located at the upper flame front. Large, medium boilers and furnaces could use the current issues to minimize pollutants and enhance thermal energy productivity.

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来源期刊

International Journal of Thermal Sciences 工程技术-工程：机械

CiteScore

8.10

自引率

11.10%

发文量

531

审稿时长

55 days

期刊介绍： The International Journal of Thermal Sciences is a journal devoted to the publication of fundamental studies on the physics of transfer processes in general, with an emphasis on thermal aspects and also applied research on various processes, energy systems and the environment. Articles are published in English and French, and are subject to peer review. The fundamental subjects considered within the scope of the journal are: * Heat and relevant mass transfer at all scales (nano, micro and macro) and in all types of material (heterogeneous, composites, biological,...) and fluid flow * Forced, natural or mixed convection in reactive or non-reactive media * Single or multi–phase fluid flow with or without phase change * Near–and far–field radiative heat transfer * Combined modes of heat transfer in complex systems (for example, plasmas, biological, geological,...) * Multiscale modelling The applied research topics include: * Heat exchangers, heat pipes, cooling processes * Transport phenomena taking place in industrial processes (chemical, food and agricultural, metallurgical, space and aeronautical, automobile industries) * Nano–and micro–technology for energy, space, biosystems and devices * Heat transport analysis in advanced systems * Impact of energy–related processes on environment, and emerging energy systems The study of thermophysical properties of materials and fluids, thermal measurement techniques, inverse methods, and the developments of experimental methods are within the scope of the International Journal of Thermal Sciences which also covers the modelling, and numerical methods applied to thermal transfer.