Results 31 to 40 of about 2,407 (297)
MATEC Web of Conferences, 2017 Short staggered labyrinth seals are widely used in high pressure cylinder shroud seals of steam turbines. They are good at restricting the leakage flow but do not respond well to rotordynamics and often lead to turbomachine instabilities.
Zhong Minglei
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The aesthetics of sculptural and functional creativity in the art of carving Sumerian cylinder seals
مجلة فنون البصرة, 2023 The current research dealt with (the aesthetic of sculptural and functional creativity in the art of carving Sumerian cylindrical seals) through the study of the aesthetic of sculptural and functional creativity in the art of carving Sumerian cylindrical
Farah Hussein Kazem
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Supercritical Carbon Dioxide Turbine Design and Arrangement Optimization
Frontiers in Energy Research, 2022 To achieve a supercritical CO2 cycle power generation system, a 25 MW supercritical CO2 turbine rotor and cylinder were designed. Then, two compact arrangement schemes were proposed in this paper for the optimization of a supercritical CO2 turbine rotor.
Zhenya Li +5 more
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E3S Web of Conferences, 2018 The article considers the factors that directly influence the operation of the lip seals to seal the gap between the piston and the working cylinder in hydraulic props of mechanized supports, this directly affects the tightness of the props and, as a ...
Buyalich Gennady +2 more
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Value and exoticism: Cylinder Seals in the Late Bronze Age Aegean (1600-1100 BC) [PDF]
, 2021 Cylinder Seals are iconic objects of the Ancient Near East. In the late Bronze Age Aegean sealing was practice with stamp seals. Nevertheless more than 100 cylinder seals have been found in the Aegean.
van Wijngaarden, G.J.; id_orcid
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The delegation of power: Neo-Assyrian bureau seals [PDF]
, 2008 Bureau seals are an innovation of the Assyrian administration to cope with the delegation of power that running a world empire demanded. By placing some bureau seals in their historical context we find indications that these seal types were introduced ...
Radner, K
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Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Catalog of seals of Kongis Kargamis, Emar [Meskene] [PDF]
, 2015 Hatice Gonnet-Bağana's notes seen on a copy of catalog of seals from Kongis Kargamis detailing the numerous seals found in the Emar region [Meskene]. The catalog references Professor Dominique Beyer's work on compiling and editing the tablets, cylinder ...
Unidentified; Gonnet-Bağana, Hatice +1 more
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Advanced Engineering Materials, EarlyView.Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich +3 more
wiley +1 more source
Cahiers du Centre d’Études ChypriotesIn the absence of robust evidence for the use of cylinder seals in Late Cypriot administration, these artefacts have been understood as symbols of status and identity on the island.
Alexander Donald
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