Results 281 to 290 of about 3,513,001 (329)
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Proceedings of the Institution of mechanical engineers. Part A, journal of power and energy, 2019
Endwall profiling designed to reduce secondary flow loss may change the local pressure distribution which has an impact on the sealing effectiveness of a rim seal.
Chen Shuxian, L. Zhigang, Li Jun
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Endwall profiling designed to reduce secondary flow loss may change the local pressure distribution which has an impact on the sealing effectiveness of a rim seal.
Chen Shuxian, L. Zhigang, Li Jun
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Journal of Lubrication Technology, 1969
The laminar and turbulent flow of an incompressible fluid between the rotating parallel surfaces of a face seal is investigated analytically to determine the influence of conduction, convection, and dissipation on the temperature distribution. A method of estimating the general temperature level within the seal is suggested.
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The laminar and turbulent flow of an incompressible fluid between the rotating parallel surfaces of a face seal is investigated analytically to determine the influence of conduction, convection, and dissipation on the temperature distribution. A method of estimating the general temperature level within the seal is suggested.
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The wettability of sealing materials and its effect on sealing performance: Part I
Sealing Technology, 2016Wetting influences the sealing mechanisms of rotary shaft lip seals and rod seals. This article, published in two parts, shows how to determine the surface free energy of sealing materials, especially elastomers. Wetting parameters and their influence on sealing operation are explained, and a hypothesis is proposed to connect wetting phenomena with ...
Peter Schuler, Werner Haas
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Scaling Sealing Effectiveness in a Stator-Rotor Cavity for Differing Blade Spans
Turbomachinery, 2018As engine development continues to advance toward increased efficiency and reduced fuel consumption, efficient use of compressor bypass flow, commonly used as cooling flow, becomes increasingly important.
Reid A. Berdanier +5 more
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Honeycomb seal technology achieves superior sealing effect in centrifugal air compressor – Part I
Sealing Technology, 2018Through the use of a detailed case study, this article explains why honeycomb seals, which are used mainly in the aerospace industry, have the potential to be successfully applied to rotating turbine machinery used in the industrial sector. The authors analyse the way in which seals in a centrifugal air compressor in use at a coal chemicals enterprise
Lihao Zhang +3 more
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Volume 1, 2019
There are currently no industry accepted methods for calculating sealing effectiveness of flange connections at the research and development phase of a project.
P. Lutkiewicz +2 more
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There are currently no industry accepted methods for calculating sealing effectiveness of flange connections at the research and development phase of a project.
P. Lutkiewicz +2 more
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Numerical Investigations on the Sealing Effectiveness of Turbine Groove Radial Rim Seal
Heat Transfer, 2019This paper presents a numerical comparison of sealing performance between conventional radial rim seal and seven different kinds of groove radial rim seal with three coolant flow rates. Three-dimensional unsteady Reynolds-Averaged Navier-Stokes (URANS)
Shu-xian Chen +4 more
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The International Journal of Oral and Maxillofacial Implants, 2020
PURPOSE This in vitro study evaluated the effectiveness of a sealing agent on vertical misfit of the implant-abutment interface in an external hexagon implant system before and after mechanical cyclic loading.
Camila Berbel Seloto +3 more
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PURPOSE This in vitro study evaluated the effectiveness of a sealing agent on vertical misfit of the implant-abutment interface in an external hexagon implant system before and after mechanical cyclic loading.
Camila Berbel Seloto +3 more
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Seal Size - Its Effects on Radial Lip-Type Oil Seal Design
SAE Technical Paper Series, 1978<div class="htmlview paragraph">A fractional factorial experimental study was conducted to determine the effect of seal size on seal design. The seven factors studied were inside lip diameter (w/o spring), seal size, shaft-to-bore offset, spring position, contact width, flex section thickness, and material modulus.
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Entrance Effects in Annular Seal Flows
Volume 3B: 15th Biennial Conference on Mechanical Vibration and Noise — Acoustics, Vibrations, and Rotating Machines, 1995Abstract The paper presents the theoretical results for a test case proposed by Staubli (1993) that allows testing the procedures for predicting rotordynamic coefficients of plain annular seals. The calculations were made using the time averaged Navier-Stokes equations.
Mihai Arghir, Jean Frene
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