Flowing in pipe Chapter 5 Pipe flow §5-1 Introduction The law of incompressible fluid motion in pipe, some basic notions of it is adaptable to the circumferential motion and channel flow. The questions that flowing in pipe concerned include flow state, velocity distribution beginning segment the calculation of flux and pressure and energy loss5 Chapter 5 Pipe Flow §5-1 Introduction The law of incompressible fluid motion in pipe, some basic notions of it is adaptable to the circumferential motion and channel flow . The questions that flowing in pipe concerned include flow state , velocity distribution , beginning segment ,the calculation of flux and pressure and energy loss