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優(yōu)化原理與小動脈血流量─管徑關系
_ Optimization Principle and "Blood Flow - Diameter"Relationship in Arterioles |
| 作者： 胡志雄; |
| 單位：溫州醫(yī)學院; |
| 關鍵詞： 血流量－管徑關系; 冪定律流; 優(yōu)化分析; |
| 分類號： |
| 出版年·卷·期（頁碼）：1994·1·1（22-25） |
| 摘要： |
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作者假設血液為符合冪定律的非牛頓流體，對小動脈血管系統(tǒng)進行了詳細的優(yōu)化分析。導出了血流量與管徑立方成正比的結論以及壁面切變率與管徑無關的推論。此結果既包含了前人對于牛頓血流的研究成果，又能克服后者的不足，而與近期的生理測定一致。 |
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Assumed the blood in arterioles is a non-Newtonian fluid governed by the power law, a detailed optimization analysis for arteriole blood vessels was conducted. A general conclusion,that(1)the blood flow is proportional to the cubic power of the vessel diameter; (2)the shear ratio of the vessel surface is independent of the vessel diameters. This result not only contained the previous research achievement on the Newtonian blood flow, but also overcome the insufficiency of it, and was identical with the recen... |
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地址：北京安定門外安貞醫(yī)院內(nèi)北京生物醫(yī)學工程編輯部 電話：010-64456508 傳真：010-64456661 電子郵箱：[email protected] |