TY - JOUR
T1 - A simplification of pyrolytic reaction model of hydrocarbon fuel and its application in simulation of heated channel flow
AU - Feng, Yu
AU - Qin, Jiang
AU - Liu, Shuyuan
AU - Zhang, Silong
AU - Li, Xin
AU - Cao, Yong
AU - Huang, Hongyan
N1 - Publisher Copyright:
© 2018 Elsevier Masson SAS
PY - 2018/8
Y1 - 2018/8
N2 - The pyrolytic reaction model plays an important role in studying heat and mass transfer of heated channel flow with pyrolysis because of the influence of pyrolysis on mass and energy balance. So, focusing on the application of pyrolysis reaction model of hydrocarbon fuel in simulation, an approach to simplify the pyrolytic reaction model of hydrocarbon fuel was proposed to reduce the computational workload of simulation. The basic idea of simplification lies in the fact that species with similar critical properties have similar thermophysical properties, and they could be represented as single specie based on corresponding states principle (CSP), so the number of specie equations in the numerical model was significantly reduced according to combining species in products. Numerical tests indicate that the relative difference, caused by simplification, is within 1%. In addition, the species equations are decreased from 18 to 10 and the computational efficiency is doubled. Therefore, this simplification could serve as an effective way for pyrolytic reaction model of hydrocarbon fuel in terms of model accuracy and efficiency.
AB - The pyrolytic reaction model plays an important role in studying heat and mass transfer of heated channel flow with pyrolysis because of the influence of pyrolysis on mass and energy balance. So, focusing on the application of pyrolysis reaction model of hydrocarbon fuel in simulation, an approach to simplify the pyrolytic reaction model of hydrocarbon fuel was proposed to reduce the computational workload of simulation. The basic idea of simplification lies in the fact that species with similar critical properties have similar thermophysical properties, and they could be represented as single specie based on corresponding states principle (CSP), so the number of specie equations in the numerical model was significantly reduced according to combining species in products. Numerical tests indicate that the relative difference, caused by simplification, is within 1%. In addition, the species equations are decreased from 18 to 10 and the computational efficiency is doubled. Therefore, this simplification could serve as an effective way for pyrolytic reaction model of hydrocarbon fuel in terms of model accuracy and efficiency.
KW - Heat and mass transfer
KW - Pyrolysis
KW - Regenerative cooling
KW - Simplification
KW - n-Decane
UR - https://www.scopus.com/pages/publications/85045436354
U2 - 10.1016/j.ijthermalsci.2018.04.002
DO - 10.1016/j.ijthermalsci.2018.04.002
M3 - 文章
AN - SCOPUS:85045436354
SN - 1290-0729
VL - 130
SP - 10
EP - 18
JO - International Journal of Thermal Sciences
JF - International Journal of Thermal Sciences
ER -