Method for obtaining explosion limit of binary combustible liquid mixture and computer
A technology of liquid mixture and explosion limit, which is applied in the field of flammability research of liquid vapor, can solve problems such as the method of undiscovered binary mixture explosion limit, and achieve the effect of avoiding combustion and explosion accidents
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Embodiment 1
[0048] In the method for obtaining the explosion limit of the binary flammable liquid mixture of this embodiment, the binary flammable liquid mixture includes component 1 and component 2, and the method includes the following steps:
[0049] S1. The lower explosion limit values of the pure substances of component 1 and component 2 at the initial temperature T and initial pressure p measured through experiments are L respectively 1 and L 2 , the upper limit of the explosion is U 1 and U 2 ;
[0050] S2, the molar ratio of component 1 to component 2 is c 1 :c 2 , the lower explosion limit of the binary flammable liquid mixture is Explosion limit is Calculate the actual liquid phase mole fraction of component 1 and component 2 at the initial temperature T and initial pressure p according to the gas-liquid phase equilibrium as x L1 and x L2 , the gas phase mole fraction is x v1 and x v2 , and then obtain the sum p' of the actual gas phase partial pressures of compone...
Embodiment 2
[0087] The computer in this embodiment includes a memory and a processor, the memory is used to store computer programs; the processor executes the computer programs to implement the method for obtaining the explosion limit of the binary flammable liquid mixture as described above.
Embodiment 3
[0089] With reference to Table 1, using the estimation method of the present invention, the lower explosion limit of the binary mixture of undecane / n-pentanol with a mole fraction of 0.7:0.3 at an initial temperature of 60° C. and an initial pressure of 100 kPa was carried out in this example. Estimation, the estimated result is 2.17%, the experimental value of the lower explosion limit is 2.06%, the deviation between the estimated value and the experimental value is 0.11%, and the deviation is basically within the uncertainty range of the experimental results.
[0090] Table 1 Estimation of lower explosion limit of undecane / n-pentanol binary mixture
[0091]
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