利用带聚集和破碎核的 DQMOM 方法研究脉冲流化床中的纳米粒子流特性

IF 13.3 1区工程技术 Q1 ENGINEERING, CHEMICAL

Chemical Engineering Journal Pub Date : 2024-11-14 DOI:10.1016/j.cej.2024.157684

Chen Juhui, Li Mingyuan, Li Dan, Chen Ke, Pang Shuxiang, Ma Zhikai

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引用次数: 0

摘要

本研究以脉动流化床为重点，考虑了流化过程中颗粒相之间的粘性力。提出了聚集核和破碎核的计算模型。通过将种群平衡模型与欧拉-欧拉双流体模型耦合，并使用直接正交矩法（DQMOM）求解种群平衡模型，研究了纳米颗粒团聚体在脉动流化床中的流动特性。结果表明，脉动流入显著改善了纳米颗粒团聚体在流化床内的流动分布。

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Investigation of nanoparticle flow characteristics in a pulsed fluidized bed using the DQMOM method with aggregation and fragmentation nucleus

Focusing on pulsating fluidized beds, this study considers the viscous forces between particle phases during the fluidization process. A calculation model for aggregation and fragmentation nucleus is proposed. By coupling a population balance model with Euler-Euler two-fluid model and solving the population balance model using the Direct Quadrature Method of Moments (DQMOM), the flow characteristics of nanoparticle agglomerates in a pulsating fluidized bed were investigated. The results indicate that pulsating inflow significantly improves the flow distribution of nanoparticle agglomerates within the fluidized bed.

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来源期刊

Chemical Engineering Journal 工程技术-工程：化工

CiteScore

21.70

自引率

9.30%

发文量

6781

审稿时长

2.4 months

期刊介绍： The Chemical Engineering Journal is an international research journal that invites contributions of original and novel fundamental research. It aims to provide an international platform for presenting original fundamental research, interpretative reviews, and discussions on new developments in chemical engineering. The journal welcomes papers that describe novel theory and its practical application, as well as those that demonstrate the transfer of techniques from other disciplines. It also welcomes reports on carefully conducted experimental work that is soundly interpreted. The main focus of the journal is on original and rigorous research results that have broad significance. The Catalysis section within the Chemical Engineering Journal focuses specifically on Experimental and Theoretical studies in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. These studies have industrial impact on various sectors such as chemicals, energy, materials, foods, healthcare, and environmental protection.