A parallel computing-based performance algorithm for a trough type light-condensing heat-collecting system
A technology of concentrating light and heat collection and system performance, which is applied in calculation, computer-aided design, complex mathematical operations, etc. It can solve problems that affect calculation accuracy and consume a lot of calculation time, and achieve the effect of ensuring calculation accuracy and saving calculation time
Active Publication Date: 2022-01-18
XINJIANG ELECTRIC POWER DESIGN INST
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Problems solved by technology
When the calculation interval is small, it will consume a lot of calculation time; when the calculation interval is large, the calculation time can be shortened, but the calculation accuracy will be affected
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Embodiment 1
[0075] Such as Figure 1-6 Shown is the structural representation of embodiment 1. This embodiment discloses a performance algorithm of a trough-type light-gathering and heat-collecting system based on parallel computing.
[0076] refer to figure 1 , in the concentrating heat collection system of the trough-type photothermal power station, the trough-type parabolic reflector 1 is used to collect solar energy, and the HTF is heated in the heat collector 2 to realize the conversion of solar energy into thermal energy.
[0077] refer to figure 2 , the heat collection circuit 15 is composed of a plurality of trough heat collection assemblies 3, heat collectors 2 and HTF delivery pipes 4 connected in series, and the heat collectors 2 are arranged at the focal point of the parabola. The light-concentrating heat-collecting subsystem is composed of multiple trough-type heat-collecting assemblies 3 connected in series, and each trough-type heat-collecting assembly 3 is composed of ...
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The invention discloses a parallel computing-based performance algorithm for a trough type light-condensing heat-collecting system. The algorithm comprises the following steps: S1, establishing an HTF circulating conveying system mathematical model according to a medium flow direction for a heat-collecting array in a mirror field; s2, dividing continuous calculation time periods all the year round into a plurality of time period intervals; s3, distributing the time interval to a CPU thread of a computer; s4, in each thread, judging and identifying a system operation mode type by an algorithm; s5, in each thread, selecting a transient model or a steady-state model by an algorithm according to a system operation mode type; s6, in each thread, in the time interval corresponding to the thread, obtaining system performance output of the time interval corresponding to the thread through continuous serial calculation of the system performance; and S7, summarizing and combining calculation results of all the threads by an algorithm to obtain the annual performance of the trough type light condensation and heat collection system. The invention has the advantages that the calculation precision of the performance of the groove type light condensation and heat collection system can be guaranteed, and 60-90% of calculation time can be saved.
Description
technical field [0001] The invention relates to the technical field of photothermal power generation, in particular to a performance algorithm of a trough-type concentrating light-collecting heat collection system based on parallel computing. Background technique [0002] In the concentrating heat collection system of the trough-type photothermal power station, the trough-type parabolic reflective concentrator is used to collect solar energy, and the heat transfer fluid (HTF) is heated in the collector to realize the conversion of solar energy into heat energy. See figure 1 . The heat collecting circuit is composed of multiple trough heat collecting assemblies (Solar Collector Assembly, SCA), heat collectors and HTF conveying pipelines in series, and the heat collectors are arranged at the focal point of the parabola, see figure 2 . A plurality of heat collection circuit columns are connected in series and parallel through the HTF circulation conveying system to form a he...
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IPC IPC(8): G06F30/20G06F17/10G06Q50/06G06F119/02G06F119/08
CPCG06F30/20G06Q50/06G06F17/10G06F2119/02G06F2119/08
Inventor 王卫东
Owner XINJIANG ELECTRIC POWER DESIGN INST