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Technical Brief

Experimental Investigation of Pressure Distribution in Turbulent Flow Between Parallel and Inclined Disks

[+] Author and Article Information
Daniel A. Eisenberg

POLO Research Laboratories for Emerging Technologies
in Cooling and Thermophysics,
Federal University of Santa Catarina,
Florianopolis, SC 88040-900, Brazil
e-mail: Daniel.Eisenberg@asu.edu

Cesar J. Deschamps

POLO Research Laboratories for Emerging Technologies
in Cooling and Thermophysics,
Federal University of Santa Catarina,
Florianopolis, SC 88040-900, Brazil
e-mail: deschamps@polo.ufsc.br

1Present address: School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, AZ 85281.

2Corresponding author.

Contributed by the Fluids Engineering Division of ASME for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received January 22, 2015; final manuscript received May 28, 2015; published online July 10, 2015. Assoc. Editor: Daniel Maynes.

J. Fluids Eng 137(11), 114501 (Jul 10, 2015) (6 pages) Paper No: FE-15-1053; doi: 10.1115/1.4030764 History: Received January 22, 2015

Although the flow between parallel and inclined disks is a simple representation of many complex flow situations, this class of flow poses significant problems for experimental and numerical study. This paper presents experimental results of the pressure distribution for turbulent radial flow between parallel and inclined disks, considering different ratios between the diameters of the frontal disk and feeding orifice. The experimental results bolster the lack of data for both flow situations in the turbulent regime and demonstrate differences between them. The results presented have high accuracy and known uncertainty, making them useful for comparison to analytical and numerical results.

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Figures

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Fig. 2

Schematic representation of the experimental setup

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Fig. 3

Details of the test section: (a) positioning system and (b) frontal disk

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Fig. 4

Typical axisymmetric frontal disk pressure distribution (s/d = 0.05; D/d = 3.00; Re = 25,000; and α = 0 deg)

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Fig. 5

Pressure distribution on the frontal disk as a function of Reynolds number: s/d = 0.05; D/d = 1.66; and α = 0 deg

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Fig. 6

Pressure distribution on parallel frontal disk as a function of D/d and s/d

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Fig. 7

Pressure distribution on inclined frontal disk as a function of s/d

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Fig. 8

Pressure distribution on inclined frontal disk as a function of D/d

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