NUMERICAL STUDY OF MASS TRANSFERDYNAMICS FOR HEMODIAFILTRATIONBY ORTHOGONAL COLLOCATION

张国亮; 张凤宝; 王绍亭; 陈元勇

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NUMERICAL STUDY OF MASS TRANSFERDYNAMICS FOR HEMODIAFILTRATIONBY ORTHOGONAL COLLOCATION

更新时间：2025-12-16

- NUMERICAL STUDY OF MASS TRANSFERDYNAMICS FOR HEMODIAFILTRATIONBY ORTHOGONAL COLLOCATION
- CIESC Journal Issue 5, (1993)
- 作者机构：
  
  天津大学生物医学工程研究所,天津大学生物医学工程研究所,天津大学生物医学工程研究所,天津大学化工系天津300072,天津300072,天津300072,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 October 1993，
  
  Published：25 October 1993
- 稿件说明：
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张国亮, 张凤宝, 王绍亭, et al. NUMERICAL STUDY OF MASS TRANSFERDYNAMICS FOR HEMODIAFILTRATIONBY ORTHOGONAL COLLOCATION[J]. CIESC Journal, 1993, (5).
DOI：

张国亮, 张凤宝, 王绍亭, et al. NUMERICAL STUDY OF MASS TRANSFERDYNAMICS FOR HEMODIAFILTRATIONBY ORTHOGONAL COLLOCATION[J]. CIESC Journal, 1993, (5). DOI：

摘要

提出了血液透析、血液超滤和血液透析超滤过程传质的通用模型

并利用正交配置技术分析了影响传质速率的各种因素.结果表明

采用正交配置法进行上述传质过程的模拟时

简单的三点配置即与解析解的结果接近.采用正交配置法比有限差分法简单、快速和准确.

Abstract

The mass transfer models for hemodialysis(HD)

hemofiltration(HF) and hemodiafiltration(HDF) in hollow fiber modules have been established as a generalized duct convective mass transfer model

in which the dialysis-filtration number is taken as the model parameter. A numerical solution of the model is obtained by using the orthogonal collocation method. The influence of some variables on mass transfer characteristics is discussed. The results obtained by orthogonal collocation are compared with those obtained by the finite-difference method and exact analytical solution. With regard to computing-time

the orthogonal collocation has an advantage over the finite-difference method.

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