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Discrete particle simulation of gas-solid two-phase flows with multi-scale CPU-GPU hybrid computation
Alternative TitleChem. Eng. J.
Xu, M.; Chen, F. G.; Liu, X. H.; Ge, W.; Li, J. H.
2012
Conference Name22nd International Symposium on Chemical Reaction Engineering (ISCRE)
Source PublicationChemical Engineering Journal
Pages746-757
Conference DateSEP 02-05, 2012
Conference PlaceMaastricht, NETHERLANDS
AbstractThough discrete particle simulation (DPS) has been widely used for investigating gas-solid flows from a more detailed level as compared to traditional two-fluid models (TFMs), it is still seriously limited by the computational cost when large scale systems are simulated. GPUs (graphic processing units), with their massive parallel architecture and high floating point performance, provide new possibilities for large-scale DPS. In this paper, a multi-scale CPU (central processing unit)-GPU hybrid computation mode is developed, in which the fluid flow is computed by CPU(s) while the particle motion is computed by CPU(s). To explore its feasibility, this mode is adopted to simulate the flow structures in the fluidization of Geldart D and A particles, respectively. Further coupled with an EMMS (energy minimization multi-scale) based meso-scale model, the flow behavior in an industrial fluidized bed is finally simulated, shedding light on the engineering applications of DPS, as an alternative to TFM. (C) 2012 Elsevier B.V. All rights reserved.
KeywordGas-solid Two-phase Flow Discrete Particle Simulation Multi-scale Cpu-gpu Hybrid Computation Fluidization Circulating Fluidized-bed Element Method Simulation Numerical-simulation Model Cluster Behavior Geldart Cfd Dynamics Riser
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Indexed ByCPCI
Language英语
Document Type会议论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11267
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Xu, M.,Chen, F. G.,Liu, X. H.,et al. Discrete particle simulation of gas-solid two-phase flows with multi-scale CPU-GPU hybrid computation[C],2012:746-757.
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