HIGH-FIDELITY EDDY-RESOLVING SIMULATIONS ON MULTI-CORE ACCELERATORS FOR MULTI-PHASE FLOWS IN CHEMICAL, ENERGY & TRANSPORT

化学、能源领域多相流多核加速器的高保真涡旋解析仿真

基本信息

  • 批准号:
    EP/T01380X/1
  • 负责人:
  • 金额:
    $ 36.51万
  • 依托单位:
  • 依托单位国家:
    英国
  • 项目类别:
    Research Grant
  • 财政年份:
    2020
  • 资助国家:
    英国
  • 起止时间:
    2020 至 无数据
  • 项目状态:
    已结题

项目摘要

The use of scale resolving simulations (SRS) for single phase flow applications has already shown dramatic accuracy benefits. The term SRS encompasses methods resolving a greater spectrum of turbulence e.g. large eddy simulation (LES), quasi-direct numerical simulation and hybrid methods e.g. detached eddy simulation (DES). The purpose of this work is to extend these methods for multi-phase applications. The use of SRS for single-phase turbulent flows is an area of fluids mechanics that has been widely studied for the past twenty years but SRS of multi-phase flows remains a very understudied area. The project will develop a massively parallel, high-order, fully implicit (temporal and spatial), multi-phase scale resolving methodology and perform simulations of (1) a representative aero-engine bearing chamber, (2) a representative transmission system gear and (3) a continuous chemical reactor. It will demonstrate the next generation of multi-phase high-fidelity flow simulations. We will exploit novel computing hardware through the extension and use of a state of the art fully implicit parallel library developed at the University of Oxford. The library, which enables 'future proofing' of CFD codes for modern hardware architectures, has been shown to give a 27x speedup on a GPU compared with the Intel Math Kernel Library tri-diagonal solver on a CPU. The research will be led by Dr. Richard Jefferson-Loveday, Assistant Professor in the department of Engineering at Nottingham University. It will be undertaken in collaboration with industrial partners MAHLE Powertrain, Rolls-Royce, ROMAX and GSK.
尺度分辨模拟(SRS)用于单相流应用已经显示出显著的精度优势。SRS一词包括解决更大范围湍流的方法,例如大涡模拟(LES)、准直接数值模拟和混合方法,例如分离涡模拟(DES)。这项工作的目的是将这些方法扩展到多相应用。在过去的二十年里,将SRS用于单相湍流是流体力学的一个领域,已经得到了广泛的研究,但是多相流的SRS仍然是一个非常欠研究的领域。该项目将开发一种大规模并行、高阶、全隐式(时间和空间)、多阶段尺度解析方法,并对(1)代表性航空发动机轴承室、(2)代表性传动系统齿轮和(3)连续化学反应器进行模拟。它将展示下一代多相高保真流动模拟。我们将通过扩展和使用牛津大学开发的最先进的全隐式并行库来开发新的计算硬件。该库可为现代硬件架构实现CFD代码的“未来验证”,与CPU上的英特尔数学内核库三对角求解器相比,GPU上的加速提高了27倍。这项研究将由诺丁汉大学工程系助理教授理查德·杰斐逊·洛夫迪博士领导。它将与工业合作伙伴马勒动力总成,劳斯莱斯,ROMAX和GSK合作。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Towards Fully Resolved Aero-Engine Bearing Chamber Simulations and an assessment of Delayed Detached Eddy Simulation
实现完全解析的航空发动机轴承室模拟和延迟分离涡模拟的评估
  • DOI:
    10.2514/6.2024-1598
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Jefferson-Loveday R
  • 通讯作者:
    Jefferson-Loveday R
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Richard Jefferson-Loveday其他文献

Suppression of flow separation of a high-lift wing with active flow control
带有主动流动控制的高升力机翼流动分离的抑制
  • DOI:
    10.1016/j.ast.2025.110017
  • 发表时间:
    2025-04-01
  • 期刊:
  • 影响因子:
    5.800
  • 作者:
    Qiangqiang Sun;Faycal Bahri;Mark Jabbal;Wit Stryczniewicz;Richard Jefferson-Loveday;Bruno Stefes;Alexander Büscher
  • 通讯作者:
    Alexander Büscher
A reduced-order model for advection-dominated problems based on the Radon Cumulative Distribution Transform
  • DOI:
    10.1007/s10444-024-10209-5
  • 发表时间:
    2025-01-03
  • 期刊:
  • 影响因子:
    2.100
  • 作者:
    Tobias Long;Robert Barnett;Richard Jefferson-Loveday;Giovanni Stabile;Matteo Icardi
  • 通讯作者:
    Matteo Icardi
Large Eddy Simulations in Turbines: Influence of Roughness and Free-Stream Turbulence
  • DOI:
    10.1007/s10494-013-9465-9
  • 发表时间:
    2013-06-04
  • 期刊:
  • 影响因子:
    2.400
  • 作者:
    V. Nagabhushana Rao;Richard Jefferson-Loveday;Paul G. Tucker;Sylvain Lardeau
  • 通讯作者:
    Sylvain Lardeau

Richard Jefferson-Loveday的其他文献

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