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Iranian Journal of Chemical Engineering، جلد ۱۹، شماره ۴، صفحات ۰-۰
عنوان فارسی
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عنوان انگلیسی Improving the performance of a two-phase ejector using genetic algorithm based on secondary fluid entrainment rate
چکیده انگلیسی مقاله Ejectors offer a cost-effective and practical solution for recovering flare gases, thereby reducing greenhouse gases. Improving the entrainment rate of the secondary fluid can enhance ejector performance. The objective of this research is to identify the optimal ejector geometry to maximize the absorption rate of the secondary fluid. Computational fluid dynamics is used to evaluate a two-phase ejector. Geometric parameters such as throat diameter and length, nozzle diameter, and converging and diverging angles impact the absorption rate of the secondary fluid. Using a multi-objective genetic algorithm, the optimal values for each parameter are obtained. The results show that reducing the throat length and angle of the converging section, as well as nozzle diameter, leads to increased absorption. In contrast, the throat and angle of the divergent section increase absorption. Additionally, energy efficiency is investigated under basic and optimized geometries. The findings reveal that increasing the soak range does not necessarily enhance energy efficiency.
کلیدواژه‌های انگلیسی مقاله Entrainment rate of secondary fluid,gas-liquid ejector,recovery of flare gas,geometry design,multi-objective genetic algorithm optimization,Computational Fluid Dynamics
نویسندگان مقاله Mehdi Moghadasi |
aDepartment of Chemical Engineering, Borujerd Branch, Islamic Azad University, Borujerd, Iran

Mostafa Moraveji |
Amirkabir university of technology (Tehran Polytechnic)

Omid Alizadeh |
Department of Chemistry and Chemical Engineering, Rasht branch, Islamic Azad University, Rasht, Iran.

نشانی اینترنتی https://www.ijche.com/article_171527_d2233e81613c3b2aa0f0675ed0daae57.pdf
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