Further study on a moving-wall boundary-layer problem with mass transfer

The boundary-layer problem of a semi-infinite flat plate moving in a free stream with mass transfer is discussed in this paper. The paper extends the work of previous researchers to the general situations including mass injection as well as suction on the wall and the case of wall moving in the same direction as the free stream velocity. The analysis is concentrated on the wall drag. The solutions are obtained by numerical techniques. Under certain conditions, current results will reduce to those obtained by other researchers.