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The purpose of this paper is to describe the equations which govern the flow of compressible fluids through pipes. Particular emphasis is placed on those used within the natural gas industry in hopes that engineers within that industry can make knowledgeable decisions on how to model pipes.
Part II covers some specific calculations and their formulas and has examples of how to do such calculations. The Appendix contains a set of charts, graphs, and other helpful tables
R. Shankar Subramanian Department of Chemical and Biomolecular Engineering Clarkson University. We begin with some results that we shall use when making friction loss calculations for steady, fully developed, incompressible, Newtonian flow through a straight circular pipe. Volumetric flow rate Q = π D. 2 V.
Mass Flow Rate: 𝒎𝒎̇= 𝝆𝝆𝝆𝝆= 𝝆𝝆𝝆𝝆; where 𝑽𝑽Q = Volume Flow Rate
Calculate the friction factor for a pipe using the. Colebrook-White equation. Undertake head loss, discharge and sizing calculations for single pipelines. Use head-loss vs discharge relationships to calculate flow in pipe networks. Relate normal depth to discharge for uniform flow in open channels. laminar. turbulent. FLOW REGIMES. Re ≡.
b) Calculate the flow velocities in ft/s for 𝐿=500, 1000, …, 10,000 ft for different Sch 40 commercial steel pipes of nominal diameters: 4”, 5”, 6” and 8”. IV.
d = a characteristic dimension (the diameter for a round pipe) ν = kinematic viscosity = ρ µ. Through experiment, Reynolds discovered that for pipe flow, if NR is less than approximately 2000, the flow would remain laminar. This value of NR is often referred to as the critical Reynolds number. In general, if N
