Scaling of turbulence intensity for low-speed flow in smooth pipes

C.J.J. Russo; Nils T. Basse

doi:10.1016/j.flowmeasinst.2016.09.012

Scaling of turbulence intensity for low-speed flow in smooth pipes

C.J.J. Russo, Nils T. Basse^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Scientific › peer-review

96 Citations (Scopus)

Abstract

In this paper, we compare measured, modelled, and simulated mean velocity profiles. Smooth pipe flow simulations are performed for both incompressible (below Mach 0.2) and compressible (below Mach 0.1) fluids. The compressible simulations align most closely with the measurements. The simulations are subsequently used to make scaling formulae of the turbulence intensity as a function of the Reynolds number. These scaling expressions are compared to scaling derived from measurements. Finally, the found compressible scaling laws are used as an example to show how the flow noise in a flowmeter is expected to scale with the mean flow velocity.

Original language	English
Pages (from-to)	101-114
Number of pages	14
Journal	Flow Measurement and Instrumentation
Volume	52
DOIs	https://doi.org/10.1016/j.flowmeasinst.2016.09.012
Publication status	Published - 1 Dec 2016

Keywords

CFD simulations
Flow in smooth pipes
Flowmeters
Incompressible and compressible flow
Princeton Superpipe measurements
Semi-empirical modelling
Turbulence intensity scaling

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10.1016/j.flowmeasinst.2016.09.012

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title = "Scaling of turbulence intensity for low-speed flow in smooth pipes",

abstract = "In this paper, we compare measured, modelled, and simulated mean velocity profiles. Smooth pipe flow simulations are performed for both incompressible (below Mach 0.2) and compressible (below Mach 0.1) fluids. The compressible simulations align most closely with the measurements. The simulations are subsequently used to make scaling formulae of the turbulence intensity as a function of the Reynolds number. These scaling expressions are compared to scaling derived from measurements. Finally, the found compressible scaling laws are used as an example to show how the flow noise in a flowmeter is expected to scale with the mean flow velocity.",

keywords = "CFD simulations, Flow in smooth pipes, Flowmeters, Incompressible and compressible flow, Princeton Superpipe measurements, Semi-empirical modelling, Turbulence intensity scaling",

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N2 - In this paper, we compare measured, modelled, and simulated mean velocity profiles. Smooth pipe flow simulations are performed for both incompressible (below Mach 0.2) and compressible (below Mach 0.1) fluids. The compressible simulations align most closely with the measurements. The simulations are subsequently used to make scaling formulae of the turbulence intensity as a function of the Reynolds number. These scaling expressions are compared to scaling derived from measurements. Finally, the found compressible scaling laws are used as an example to show how the flow noise in a flowmeter is expected to scale with the mean flow velocity.

AB - In this paper, we compare measured, modelled, and simulated mean velocity profiles. Smooth pipe flow simulations are performed for both incompressible (below Mach 0.2) and compressible (below Mach 0.1) fluids. The compressible simulations align most closely with the measurements. The simulations are subsequently used to make scaling formulae of the turbulence intensity as a function of the Reynolds number. These scaling expressions are compared to scaling derived from measurements. Finally, the found compressible scaling laws are used as an example to show how the flow noise in a flowmeter is expected to scale with the mean flow velocity.

KW - CFD simulations

KW - Flow in smooth pipes

KW - Flowmeters

KW - Incompressible and compressible flow

KW - Princeton Superpipe measurements

KW - Semi-empirical modelling

KW - Turbulence intensity scaling

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VL - 52

SP - 101

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JO - Flow Measurement and Instrumentation

JF - Flow Measurement and Instrumentation

ER -

Scaling of turbulence intensity for low-speed flow in smooth pipes

Abstract

Keywords

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