Numerical simulation of aggregation of submicron particles
Project/Area Number |
22760129
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Single-year Grants |
Research Field |
Fluid engineering
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Research Institution | Sophia University (2012) Osaka University (2010-2011) |
Principal Investigator |
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Project Period (FY) |
2010 – 2012
|
Project Status |
Completed (Fiscal Year 2012)
|
Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
|
Keywords | 混相流 / サブミクロン粒子 / 凝集 / シミュレーション / Submicron particle / Immersed boundary method / Slip flow / Aggregation / Brownian force |
Research Abstract |
This study aimed to develop a direct numerical simulation method to systematicallytreat submicron- to micron-sized particles. This method was based on a body-force-typeimmersed boundary method. The inward slip distance assumed between the virtualand actual interfaces resulted in the slip flow effect and a solid volume fraction wascalculated using the virtual interface. In addition, I developed an algorithm thatcalculates random motion and aggregation by Brownian force and clarified theinfluence of physical conditions such as temperature and boundary conditions on theaggregation shape and formation process by using the Brownian dynamics simulation code
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Report
(4 results)
Research Products
(5 results)