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题名: Nonlinear Diffusion and Transient Osmosis
作者: Igarashi, A ;  Rondoni, L ;  Botrugno, A ;  Pizzi, M
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2011
卷号: 56, 期号:2, 页码:352-366
关键词: IRREVERSIBLE THERMODYNAMICS ;  DISSIPATION ;  SYSTEMS ;  ENTROPY
学科分类: Physics
通讯作者: Igarashi, A (reprint author), Politecn Torino, Dipartimento Matemat, Corso Duca Abruzzi 4, I-10129 Turin, Italy.
部门归属: [Igarashi, Akira; Rondoni, Lamberto; Botrugno, Antonio] Politecn Torino, Dipartimento Matemat, I-10129 Turin, Italy; [Rondoni, Lamberto] Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy; [Rondoni, Lamberto] CAS, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Pizzi, Marco] Eltek Grp, I-15033 Casale Monferrato, Italy
英文摘要: We investigate both analytically and numerically the concentration dynamics of a solution in two containers connected by a narrow and short channel, in which diffusion obeys a porous medium equation. We also consider the variation of the pressure in the containers due to the flow of matter in the channel. In particular, we identify a phenomenon, which depends on the transport of matter across nano-porous membranes, which we call "transient osmosis". We find that nonlinear diffusion of the porous medium equation type allows numerous different osmotic-like phenomena, which are not present in the case of ordinary Fickian diffusion. Experimental results suggest one possible candidate for transiently osmotic processes.
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000293960000028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14305
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Igarashi, A,Rondoni, L,Botrugno, A,et al. Nonlinear Diffusion and Transient Osmosis[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2011,56(2):352-366.
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