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Comparison between orifice (linear) flow models [ 9 , 13 ], channel (cubic)...
Published Online: May 24, 2024
Fig. 1 Comparison between orifice (linear) flow models [ 9 , 13 ], channel (cubic) flow models [ 5 , 20 ], and the model developed in Sec. 3 for a seal plate with t s  = 654  μ m at 600 kPa gauge inlet pressure. Experimental data from an actual valve with 30  μ m of travel, described in Sec. ... More about this image found in Comparison between orifice (linear) flow models [ 9 , 13 ], channel (cubic)...
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Prototype valve design and flow pathways: ( a ) cross sections of prototype...
Published Online: May 24, 2024
Fig. 3 Prototype valve design and flow pathways: ( a ) cross sections of prototype valve assembly and ( b ) schematic of the flow path through a valve seal assembly mounted against an orifice More about this image found in Prototype valve design and flow pathways: ( a ) cross sections of prototype...
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Numerical model calculations for flowrate through etched metallic seals wit...
Published Online: May 24, 2024
Fig. 6 Numerical model calculations for flowrate through etched metallic seals with seal bosses of varying width at δ  = 1  μ m. h s  = 152.5  μ m (Fig. 2 ). Predictions from the analytical model of Sec. 3 are overlaid. Pressures shown are gauge pressures. More about this image found in Numerical model calculations for flowrate through etched metallic seals wit...
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Numerical Mach number gradient estimations for flow through an etched metal...
Published Online: May 24, 2024
Fig. 7 Numerical Mach number gradient estimations for flow through an etched metallic seal plate with seal boss width of 800  μ m and h s = 152.5  μ m at δ  = 1  μ m and 600-kPa gauge inlet pressure More about this image found in Numerical Mach number gradient estimations for flow through an etched metal...
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Numerical model calculations for flowrate through etched metallic seals wit...
Published Online: May 24, 2024
Fig. 8 Numerical model calculations for flowrate through etched metallic seals with seal bosses of varying width compared with the analytical model at δ  = 30  μ m. h s = 152.5  μ m. Pressures shown are gauge pressures. More about this image found in Numerical model calculations for flowrate through etched metallic seals wit...
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Numerical Mach number gradient calculations for flow through an etched meta...
Published Online: May 24, 2024
Fig. 9 Numerical Mach number gradient calculations for flow through an etched metallic seal plate with seal boss width of 800  μ m and h s = 152.5  μ m at δ  = 30  μ m and 600-kPa gauge inlet pressure More about this image found in Numerical Mach number gradient calculations for flow through an etched meta...
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Numerical model calculations for flowrate through etched metallic seals wit...
Published Online: May 24, 2024
Fig. 10 Numerical model calculations for flowrate through etched metallic seals with t s  = 800  μ m, varying h s and δ  = 30  μ m. ( h s  = 0 and h s = 50 − 200 μ m in increments of 50  μ m.) Pressures shown are gauge pressures. More about this image found in Numerical model calculations for flowrate through etched metallic seals wit...
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Numerically calculated normalized flow capacity plotted against       A   r...
Published Online: May 24, 2024
Fig. 11 Numerically calculated normalized flow capacity plotted against A ratio to identify location of shift in flow regime. Pressures shown are gauge pressures. More about this image found in Numerically calculated normalized flow capacity plotted against A r...
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Numerical flowrate through etched metallic seal with seal boss  t s   = 800...
Published Online: May 24, 2024
Fig. 12 Numerical flowrate through etched metallic seal with seal boss t s  = 800  μ m plotted against analytical model. Pressures shown are gauge pressures. More about this image found in Numerical flowrate through etched metallic seal with seal boss t s  = 800...
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Numerical flowrate with seal boss  t s   = 800  μ m plotted against analyti...
Published Online: May 24, 2024
Fig. 13 Numerical flowrate with seal boss t s  = 800  μ m plotted against analytical model with flowrate at δ T identified. Pressures shown are gauge pressures. More about this image found in Numerical flowrate with seal boss t s  = 800  μ m plotted against analyti...
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Numerical flowrate with varying seal boss  t s   of 153, 400, 600, and 800 ...
Published Online: May 24, 2024
Fig. 14 Numerical flowrate with varying seal boss t s of 153, 400, 600, and 800  μ m plotted against analytical model at 200-kPa gauge inlet pressure. Pressures shown are gauge pressures. More about this image found in Numerical flowrate with varying seal boss t s of 153, 400, 600, and 800 ...
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Experimental full displacement range flowrate data through etched metallic ...
Published Online: May 24, 2024
Fig. 16 Experimental full displacement range flowrate data through etched metallic seal with seal boss t s  = 654  μ m plotted against analytical model. Pressures shown are gauge pressures. More about this image found in Experimental full displacement range flowrate data through etched metallic ...
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Close-up view of the low-displacement region of Fig.  12 . Pressures shown ...
Published Online: May 24, 2024
Fig. 17 Close-up view of the low-displacement region of Fig. 12 . Pressures shown are gauge pressures. The transition displacements are δ T ( 200   kPa ) = 8.45   μ m , δ T ( 400   kPa ) = 6.30   μ m , and δ T ( 600   kPa ) = 5.27   μ m ... More about this image found in Close-up view of the low-displacement region of Fig. 12 . Pressures shown ...
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Experimental full displacement range flowrate data through etched metallic ...
Published Online: May 24, 2024
Fig. 18 Experimental full displacement range flowrate data through etched metallic seal with seal boss t s  = 153  μ m plotted against analytical model. Pressures shown are gauge pressures. More about this image found in Experimental full displacement range flowrate data through etched metallic ...