2021
DOI: 10.1016/j.ast.2021.106494
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The efficiency of transpiration flow through perforated plate

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Cited by 12 publications
(26 citation statements)
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“…The higher the hole diameter, the lower the sonic flow coefficient is. However, the trend of the last holes is similar to the regression of Grzelak et al [21] but lower as the external flow velocity is not zero (M ≈ 0.7). Moreover, the choking of the holes below the critical pressure ratio of p pl /p w = 0.528 is evident.…”
Section: Analysis Of the Bleed Efficiencysupporting
confidence: 81%
See 2 more Smart Citations
“…The higher the hole diameter, the lower the sonic flow coefficient is. However, the trend of the last holes is similar to the regression of Grzelak et al [21] but lower as the external flow velocity is not zero (M ≈ 0.7). Moreover, the choking of the holes below the critical pressure ratio of p pl /p w = 0.528 is evident.…”
Section: Analysis Of the Bleed Efficiencysupporting
confidence: 81%
“…25. Additionally, the bleed models of Slater [14] and Grzelak et al [21] are shown. The latter is based on a numerical database of single-hole simulations without external flow and contains different parameter influences such as the length-to-diameter ratio and the porosity level.…”
Section: Analysis Of the Bleed Efficiencymentioning
confidence: 97%
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“…Examples that can be found in the literature concern for example the pressure loss coefficient over thickness of plate [ 28 ], turbulent flow over the perforated plate [ 9 ] and high Reynolds numbers ( Re > 10,000) [ 29 ]. In this paragraph, the obtained results will be compared with the ones of two specific paper that considers various hole diameters in different kinds of plates [ 26 , 27 ]. Implementing the stagnation parameters to Equation (4), we obtain Equation (5).…”
Section: Resultsmentioning
confidence: 99%
“…Aerodynamic porosity considers all these imperfections. The exact way of determining the aerodynamic porosity is presented in [ 26 , 27 ].…”
Section: Methodsmentioning
confidence: 99%