Brayton cycle system modeling method based on nonlinear programming
A nonlinear programming and cyclic system technology, applied to steam engine devices, machines/engines, mechanical equipment, etc., can solve problems such as inability to deal with fuzzy constraints, difficulty in ensuring stability, and taking up a lot of time, so as to facilitate performance comparison and calculation steps The effect of simplifying, streamlining the modeling process
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[0057] Attached below figure 1 , taking a supercritical carbon dioxide Brayton cycle system applied to a small-scale fluoride-salt cooled high-temperature reactor as an example, the specific implementation of the method of the present invention will be described in detail.
[0058] The modeling method of Brayton cycle system based on nonlinear programming includes five steps: determining boundary conditions, dividing process, manifesting parameters, local planning and overall planning:
[0059] Step 1. Determine the boundary conditions: determine the composition of the working fluid, the minimum temperature pressure of the cycle, the ambient temperature, the ambient pressure, and the heat source temperature; the ambient temperature range is limited to 288.15K; the ambient pressure is limited to 0.1MPa, and the heat source temperature is limited to 923-973K;
[0060] Step 2. Divide the process: Divide the Brayton cycle system into hot end, heat return end and cold end according...
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