Structure and method for achieving low-temperature pipeline system pressure oscillation regulation and control
A pipeline system, low temperature technology, applied in the direction of pipe elements, pipes/pipe joints/pipe fittings, mechanical equipment, etc., can solve the problems of increasing the leakage heat loss, harmfulness, liquid level and pressure measurement interference of low temperature pipeline systems, etc. Pressure oscillation, easy to implement, fast control effect
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[0041] Open the oscillation control module 3, measure and record the average pressure and pressure oscillation in the low-temperature pipeline 2 system; after using different modes of control elements, the control results of the pressure oscillation in the low-temperature pipeline system are as follows: Figure 4 , where the dotted line is the steady state of zero oscillation. The high and low temperature temperature ratio of the low temperature pipeline is 66.7, the inner diameter of the pipeline is 2.85m, the length of the pipeline is 1m, and the temperature gradient is located in the middle of the low temperature pipeline. Choose a different inner diameter ratio (r / r 0 =0.18,0.35,0.53,0.70,0.88,1.23,1.40,1.75,2.11,2.46,2.81,3.16,3.51), the r / r of expansion regulatory element 3.1 0 >1, r / r of shrinkage control element 3.2 0 Figure 5 (a) is the pressure ratio diagram under different inner diameter conditions when the position of the control element is x=0m, Figure 5 (b-e)...
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