TY - JOUR
T1 - The effect of magnetic field on a microgravity single droplet combustion
AU - Ishimoto, Jun
AU - Kudo, Takashi
AU - Saito, Kozo
N1 - Funding Information:
This research was supported by a Grant-in-Aid for Scientific Research (C. No. 17686015) from the Ministry of Education, Science and Culture, Japan, and by TEPCO Research Foundation, Japan.
PY - 2008/4
Y1 - 2008/4
N2 - The effects of magnetic field on the microgravity combustion characteristics of a single methanol droplet in homogeneous flow are numerically investigated to develop an effective magnetic control method for microgravity droplet combustion and spray combustion systems. First, governing equations of microgravity single methanol droplet combustion under a homogeneous magnetic field based on an unsteady two-dimensional, spherically symmetric model including single-step chemistry are presented. Employing numerical modeling, several combustion behaviors are calculated taking into account the effect of the unsteady magnetic field profiles at the flame front. It is found that the flame front becomes deformed and is elongated in the direction of the magnetic field due to the inhomogeneous magnetic pressure distribution at the interface between the fuel vapor phase and the oxidizer phase. This nonuniformity of magnetic pressure is caused by the transient deformation of the magnetic field with refraction of magnetic flux at the flame front due to the difference of magnetic susceptibility between the diamagnetic fuel vapor phase and the paramagnetic oxidizer phase.
AB - The effects of magnetic field on the microgravity combustion characteristics of a single methanol droplet in homogeneous flow are numerically investigated to develop an effective magnetic control method for microgravity droplet combustion and spray combustion systems. First, governing equations of microgravity single methanol droplet combustion under a homogeneous magnetic field based on an unsteady two-dimensional, spherically symmetric model including single-step chemistry are presented. Employing numerical modeling, several combustion behaviors are calculated taking into account the effect of the unsteady magnetic field profiles at the flame front. It is found that the flame front becomes deformed and is elongated in the direction of the magnetic field due to the inhomogeneous magnetic pressure distribution at the interface between the fuel vapor phase and the oxidizer phase. This nonuniformity of magnetic pressure is caused by the transient deformation of the magnetic field with refraction of magnetic flux at the flame front due to the difference of magnetic susceptibility between the diamagnetic fuel vapor phase and the paramagnetic oxidizer phase.
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U2 - 10.1007/s00231-007-0292-1
DO - 10.1007/s00231-007-0292-1
M3 - Article
AN - SCOPUS:43049140491
SN - 0947-7411
VL - 44
SP - 635
EP - 640
JO - Heat and Mass Transfer
JF - Heat and Mass Transfer
IS - 6
ER -