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A Study on the Characteristics of Mass Transfer in Hollow Fiber Membranes  

김기범 (전북대학교 공과대학 생체정보공학부)
김종석 (익산대학 환경공업화학)
김종수 (익산대학 환경공업화학)
유일수 (익산대학 환경공업화학)
이왕로 (익산대학 환경공업화학)
김성종 (익산대학 환경공업화학과)
Publication Information
Membrane Journal / v.14, no.2, 2004 , pp. 142-148 More about this Journal
Abstract
This paper presents the enhancement of oxygen transfer efficiency using vibrating intravascular lung assist device (VIVLAD) for patients having chronic respiratory problems. The flow rate was controlled by the pump and monitored by a built-in flow meter. The vibration apparatus was composed of a piezo-actuator, a function generator, and a power amplifier. Gas flow rates of up to 6 L/min through the 120-cm-long hollow fibers have been achieved by exciting a piezo-actuator. The output PVDF sensor and FRF (frequency response function) were investigated by various frequency in VIVLAD. As a result, the maximum oxygen transfer rate was found to occur with maximum amplitude and the transfer of vibration to the hollow fiber membranes. It was excited by the frequency band of 35 Hz at various distilled water flow rates, and various module types.
Keywords
artificial lung; gas transfer; hollow fiber membrane; vibration method Piezo-actuator;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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