This book is intended for engineering graduate students and research and development scientists who are interested in mass (and heat) transfer in pipe bends under single and two phase flow. The emphasis is on the mass transfer, which is the rate limiting process in Flow Accelerated Corrosion. In particular, the effect of the flow dynamics under single phase flow and the phase interaction and redistribution under annular air-water two phase flow on the local mass transfer distribution is presented. The mass transfer distributions and regions of high mass transfer in different bend geometries...