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首页> 外文会议>International Conference on Fluid Mechanics and Heat Mass Transfer >Microwave Heating Characteristics of Ethanol Fuel in Local-contact Microwave-heating Injector
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Microwave Heating Characteristics of Ethanol Fuel in Local-contact Microwave-heating Injector

机译：局部接触微波加热喷射器中乙醇燃料的微波加热特性

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摘要

A comprehensive study on ethanol microwave heating and its influenced on the spray performances in LMI system was investigated numerically and experimentally. Numerical modeling was developed to simulate the heating performances of ethanol inside the heating zone where the microwave heating process occurred. The important phenomena of electromagnetism, heat transfer and fuel flow were solved in COMSOL Multiphysics with several parameters design such as geometry size and shape of the heating zone. Validation of the simulation was performed using direct measurement data of fuel temperature and spray characteristics during heating. Spray characteristics of the fuel heated were experimentally mmeasured using laser dispersion spray analyser (LDSA). Current studies indicate the dependency of fuel temperature on the electric field distribution inside heating area. An increasing of fuel temperature during microwave heating affects the reduction of droplet diameter of ethanol. The detail discussions of the phenomena generated from simulation results and experimental validations are presented in this paper.
机译：在数值和实验研究了对LMI系统喷雾性能的乙醇微波加热及其影响的综合研究。开发了数值建模，以模拟热波加热过程中的加热区内的乙醇的加热性能。在COMSOL多体学中解决了电磁，传热和燃料流量的重要现象，其中几个参数设计，例如加热区的几何尺寸和形状。使用加热过程中的燃料温度和喷涂特性的直接测量数据进行模拟的验证。使用激光色散喷涂分析仪（LDSA）通过试验加热的喷涂特性。目前的研究表明燃料温度对加热区内电场分布的依赖性。微波加热过程中燃料温度的增加会影响乙醇的液滴直径的降低。本文提出了从仿真结果和实验验证产生的现象的详细讨论。

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