지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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In this study, we present a multidimensional open system for valveless pumping (VP). This system consists of an elastic tube connected to two open tanks filled with a fluid under gravity. The two-dimensional elastic tube model is constructed based on the immersed boundary method, and the tank model is governed by a system of ordinary differential equations based on the work-energy principle. The flows into and out of the elastic tube are modeled in terms of the source/sink patches inside the tube. The fluid dynamics of this system is generated by the periodic compress-and-release action applied to an asymmetric region of the elastic tube. We have developed an algorithm to couple these partial differential equations and ordinary differential equations using the pressure-flow relationship and the linearity of the discretized Navier-Stokes equations. We have observed the most important feature of VP, namely, the existence of a unidirectional net flow in the system. Our computations are focused on the factors that strongly influence the occurrence of unidirectional flows, for example, the frequency, compression duration, and location of pumping. Based on these investigations, some case studies are performed to observe the details of the flow features.
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참고문헌 (26)
참고문헌 신청
[학
A. Borzi / 2003 / Numerical investigation of the liebau phenomenon / Z. Angew. Math. Phys 54 (6) : 1050 ~ 1072
A. I. Hickerson / 2006 / On the resonance of a pliant tube as a mechanism for valveless pumping / J. Fluid Mech 555 : 141 ~ 148
A. L. Fogelson / 1988 / A fast numerical method for solving the threedimensional stokes' equations in the presence of suspended particles / J. Comput. Phys 79 (1) : 50 ~ 69
B. E. Griffth / 2005 / On the order of accuracy of the immersed boundary method: higher order convergence rates for suffciently smooth problems / J. Comput. Phys 208 (1) : 75
A. Borzi / 2003 / Numerical investigation of the liebau phenomenon / Z. Angew. Math. Phys 54 (6) : 1050 ~ 1072
A. I. Hickerson / 2006 / On the resonance of a pliant tube as a mechanism for valveless pumping / J. Fluid Mech 555 : 141 ~ 148
A. L. Fogelson / 1988 / A fast numerical method for solving the threedimensional stokes' equations in the presence of suspended particles / J. Comput. Phys 79 (1) : 50 ~ 69
B. E. Griffth / 2005 / On the order of accuracy of the immersed boundary method: higher order convergence rates for suffciently smooth problems / J. Comput. Phys 208 (1) : 75
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