TY - JOUR
T1 - An analytical solution for incompressible flow through parallel multiple jets
AU - Wang, Junye
AU - Priestman, Geoffrey H.
AU - Wu, Dongdi
PY - 2001
Y1 - 2001
N2 - A theoretical model of multiple jet flow is introduced based on the thin shear layer theory. The analytical solution has been obtained by using Prandtl's mixing length hypothesis. The results show that along the streamline direction, the axial velocity decreases gradually like a single jet and in the transverse direction, the velocity distribution changes as a cosinoidal function, in which the velocity amplitude decreases with increasing x, gradually approaching a flat profile. It is also shown that the distance at which the individual jets begin to merge increases with increasing pitch, s. For the special cases when the pitch, s is zero, the row of multiple jets becomes equivalent to a single jet. Finally, the predictive results are found to agree well with experimental data in the fully developed turbulent flow region.
AB - A theoretical model of multiple jet flow is introduced based on the thin shear layer theory. The analytical solution has been obtained by using Prandtl's mixing length hypothesis. The results show that along the streamline direction, the axial velocity decreases gradually like a single jet and in the transverse direction, the velocity distribution changes as a cosinoidal function, in which the velocity amplitude decreases with increasing x, gradually approaching a flat profile. It is also shown that the distance at which the individual jets begin to merge increases with increasing pitch, s. For the special cases when the pitch, s is zero, the row of multiple jets becomes equivalent to a single jet. Finally, the predictive results are found to agree well with experimental data in the fully developed turbulent flow region.
KW - Jet mixing
KW - Multiple jets
KW - Process intensification
KW - Turbulent jet
UR - http://www.scopus.com/inward/record.url?scp=33846562341&partnerID=8YFLogxK
U2 - 10.1115/1.1363612
DO - 10.1115/1.1363612
M3 - Journal Article
AN - SCOPUS:33846562341
SN - 0098-2202
VL - 123
SP - 407
EP - 410
JO - Journal of Fluids Engineering, Transactions of the ASME
JF - Journal of Fluids Engineering, Transactions of the ASME
IS - 2
ER -