Heat exchange medium, heat exchange system, and nuclear reactor system

    公开(公告)号:US10699818B2

    公开(公告)日:2020-06-30

    申请号:US14415460

    申请日:2013-05-07

    Abstract: Embodiments of the present invention provide a heat exchange medium comprising solid particles and a fluid. Embodiments of the present invention also provide a heat exchange system comprising the abovementioned heat exchange medium, a first heat exchanger, a mixing device disposed upstream of the first heat exchanger and configured to mix the solid particles and the fluid of the heat exchange medium and convey the mixed heat exchange medium to the first heat exchanger, a separating device disposed downstream of the first heat exchanger and configured to separate the solid particles from the fluid in the mixed heat exchange medium discharged by the first heat exchanger, a second heat exchanger, and a first conveying device configured to convey the solid particles separated by the separating device to the mixing device after having passed the separated solid particles through the second heat exchanger. In addition, embodiments of the present invention provide a nuclear reactor system comprising the abovementioned heat exchange system. The gas-solid or liquid-solid two-phase flow according to embodiments of the present invention has the following advantages. For example, it has a large thermal capacity, can be used with a low-pressure system, is non-corrosive, and can be processed off-line. The fission reactor according to embodiments of the present invention can be operated safely and reliably at a high power density or at an extremely high power density.

    Respiratory guidance device and method applied in respiratory-gated ion beam irradiation

    公开(公告)号:US10300301B2

    公开(公告)日:2019-05-28

    申请号:US15315717

    申请日:2015-09-14

    Abstract: Provided are a respiratory guiding device (100) and method used in respiratory gated ion beam irradiation, the respiratory guiding device (100) comprising: a respiratory signal detecting unit (101), for measuring a respiratory motion trajectory curve during free breathing and deep breathing, and a real-time respiratory motion position signal in the case of guided respiration; a respiratory signal processing unit (102), for modeling free breathing and deep breathing according to an average respiratory cycle and an average respiratory amplitude calculated on the basis of the respiratory motion trajectory curve and setting a preset breath-hold time at the tail end of a function curve of a free breathing model and a deep breathing model to establish a respiratory guiding curve; a control unit (103), for adjusting the magnetic excitation cycle of a synchrotron according to the respiratory cycle represented by the respiratory guiding curve during free breathing or deep breathing, thus synchronizing the magnetic excitation cycle of the synchrotron with the respiratory cycle. The device and method effectively reduce residual motion in a target region within a guided respiration window, and improve irradiation efficiency and precision of an ion beam.

    Particle flow simulation system and method

    公开(公告)号:US10007742B2

    公开(公告)日:2018-06-26

    申请号:US14415377

    申请日:2013-05-22

    CPC classification number: G06F17/5009 G06F17/10 G06T2210/52 G06T2210/56

    Abstract: The present invention provides a GPU-based particle flow simulation system and method which includes generating particle information based on particle modeling information inputted from a client terminal, and generating geometric solid information; receiving the particle information and the geometric solid information, determining which GPUs of which computation nodes are to be used based on the number of the particles and the number of idle GPUs in each of the computation nodes; determining which particles are to be processed in which GPUs of which computation nodes based on the determined number of GPUs and a space distribution of the particles, and performing allocation according to the determination result; stimulating particle flow by computing in parallel in the plurality of GPUs a force applied to each particle due to particle collision and thus an acceleration; and presenting a stimulation result. The embodiments of the present invention can implement a virtual experimental simulation of high-density particles, and improve computation efficiency while reducing power consumption.

    RESPIRATORY GUIDANCE DEVICE AND METHOD APPLIED IN RESPIRATORY-GATED ION BEAM IRRADIATION

    公开(公告)号:US20170106209A1

    公开(公告)日:2017-04-20

    申请号:US15315717

    申请日:2015-09-14

    Abstract: Provided are a respiratory guiding device (100) and method used in respiratory gated ion beam irradiation, the respiratory guiding device (100) comprising: a respiratory signal detecting unit (101), for measuring a respiratory motion trajectory curve during free breathing and deep breathing, and a real-time respiratory motion position signal in the case of guided respiration; a respiratory signal processing unit (102), for modeling free breathing and deep breathing according to an average respiratory cycle and an average respiratory amplitude calculated on the basis of the respiratory motion trajectory curve and setting a preset breath-hold time at the tail end of a function curve of a free breathing model and a deep breathing model to establish a respiratory guiding curve; a control unit (103), for adjusting the magnetic excitation cycle of a synchrotron according to the respiratory cycle represented by the respiratory guiding curve during free breathing or deep breathing, thus synchronizing the magnetic excitation cycle of the synchrotron with the respiratory cycle. The device and method effectively reduce residual motion in a target region within a guided respiration window, and improve irradiation efficiency and precision of an ion beam.

    PARTICLE FLOW SIMULATION SYSTEM AND METHOD
    9.
    发明申请
    PARTICLE FLOW SIMULATION SYSTEM AND METHOD 有权
    颗粒流动模拟系统和方法

    公开(公告)号:US20150213163A1

    公开(公告)日:2015-07-30

    申请号:US14415377

    申请日:2013-05-22

    CPC classification number: G06F17/5009 G06F17/10 G06T2210/52 G06T2210/56

    Abstract: The present invention provides a GPU-based particle flow simulation system and method which includes generating particle information based on particle modeling information inputted from a client terminal, and generating geometric solid information; receiving the particle information and the geometric solid information, determining which GPUs of which computation nodes are to be used based on the number of the particles and the number of idle GPUs in each of the computation nodes; determining which particles are to be processed in which GPUs of which computation nodes based on the determined number of GPUs and a space distribution of the particles, and performing allocation according to the determination result; stimulating particle flow by computing in parallel in the plurality of GPUs a force applied to each particle due to particle collision and thus an acceleration; and presenting a stimulation result. The embodiments of the present invention can implement a virtual experimental simulation of high-density particles, and improve computation efficiency while reducing power consumption.

    Abstract translation: 本发明提供一种基于GPU的粒子流模拟系统和方法,其包括基于从客户终端输入的粒子建模信息生成粒子信息,并生成几何实体信息; 接收所述粒子信息和所述几何固体信息,基于所述粒子的数量和所述计算节点中的每个所述空闲GPU的数量来确定要使用哪个计算节点的GPU; 基于所确定的GPU数量和所述粒子的空间分布来确定哪些GPU被处理在哪个GPU中,其中计算节点根据确定结果执行分配; 通过在多个GPU中平行计算由于颗粒碰撞并因此加速而施加到每个颗粒的力来刺激颗粒流动; 并呈现刺激结果。 本发明的实施例可以实现高密度粒子的虚拟实验模拟,并且在降低功耗的同时提高计算效率。

    HEAT EXCHANGE MEDIUM, HEAT EXCHANGE SYSTEM, AND NUCLEAR REACTOR SYSTEM
    10.
    发明申请
    HEAT EXCHANGE MEDIUM, HEAT EXCHANGE SYSTEM, AND NUCLEAR REACTOR SYSTEM 审中-公开
    热交换介质,热交换系统和核反应堆系统

    公开(公告)号:US20150200024A1

    公开(公告)日:2015-07-16

    申请号:US14415460

    申请日:2013-05-07

    Abstract: Embodiments of the present invention provide a heat exchange medium comprising solid particles and a fluid. Embodiments of the present invention also provide a heat exchange system comprising the abovementioned heat exchange medium, a first heat exchanger, a mixing device disposed upstream of the first heat exchanger and configured to mix the solid particles and the fluid of the heat exchange medium and convey the mixed heat exchange medium to the first heat exchanger, a separating device disposed downstream of the first heat exchanger and configured to separate the solid particles from the fluid in the mixed heat exchange medium discharged by the first heat exchanger, a second heat exchanger, and a first conveying device configured to convey the solid particles separated by the separating device to the mixing device after having passed the separated solid particles through the second heat exchanger. In addition, embodiments of the present invention provide a nuclear reactor system comprising the abovementioned heat exchange system. The gas-solid or liquid-solid two-phase flow according to embodiments of the present invention has the following advantages. For example, it has a large thermal capacity, can be used with a low-pressure system, is non-corrosive, and can be processed off-line. The fission reactor according to embodiments of the present invention can be operated safely and reliably at a high power density or at an extremely high power density.

    Abstract translation: 本发明的实施方案提供了包含固体颗粒和流体的热交换介质。 本发明的实施例还提供了一种热交换系统,其包括上述热交换介质,第一热交换器,设置在第一热交换器上游的混合装置,并且构造成将固体颗粒和热交换介质的流体混合并传送 所述混合热交换介质连接到所述第一热交换器,分离装置,其设置在所述第一热交换器的下游,并且被配置为将所述固体颗粒与由所述第一热交换器排出的混合热交换介质中的流体分离;第二热交换器, 第一输送装置,被配置为在分离的固体颗粒通过第二热交换器之后将由分离装置分离的固体颗粒输送到混合装置。 此外,本发明的实施例提供了包括上述热交换系统的核反应堆系统。 根据本发明的实施方案的气固或液固两相流具有以下优点。 例如,它具有很大的热容量,可以与低压系统一起使用,是非腐蚀性的,可以离线处理。 根据本发明的实施方案的裂变反应堆可以在高功率密度或极高的功率密度下安全可靠地操作。

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