Results 11 to 20 of about 2,407 (297)

Mesopotamian cylinder seals - an epigraphic study. [PDF]

open access: yesRevista do Museu de Arqueologia e Etnologia, 2000
The study of cylinder seals is important not only because of its iconography but also because of inscriptions. This article analyzes some texts of a rich merchant from Larsa in the Old Babylonian period.
Katia Maria Paim Pozzer
doaj   +2 more sources

Inscribed Kassite Cylinder Seals in the Metropolitan Museum [PDF]

open access: yesMetropolitan Museum Journal, 2018
Study of inscribed Kassite cylinder seals held in the collections of the Metropolitan Museum of Art.
Gina Konstantopoulos
openaire   +3 more sources

Cylinders in Anatolia: Remarks on Early Bronze Age Seals and Sealings [PDF]

open access: yesAnadolu Araştırmaları
Cylinder seals began to be used in Anatolia shortly after their emergence in Mesopotamia and Iran during the second half of the 4th millennium BCE. These seals, offering a wide narrative space, were used across Western Asia until the 5th century BCE ...
M. Gökçe Dede, Umay Oğuzhanoğlu
doaj   +2 more sources

The Materiality of Cylinder Seals [PDF]

open access: yesBAF-Online: Proceedings of the Berner Altorientalisches Forum, 2020
In the 1980ies Dr. Julia Asher-Greve conducted chemical and mineralogical material analysis on cylinder seals as a part of her SNF-funded project „Naturwissenschaftliche und typologische Untersuchungen an Rollsiegeln“. 1017 seals have been analysed using
Gäumann, Nicole
openaire   +3 more sources

Revisiting the ‘kriegerischer Gott’ of the Akkadian Period

open access: yesReligions, 2023
Boehmer’s Die Entwicklung der Glyptik während der Akkad-Zeit (1965), although nearly 60 years old, is still the major work on the cylinder seals of the Akkadian Period (2334–2150 BCE).
Renate Marian van Dijk-Coombes
doaj   +1 more source

Heat Reduction Characteristics of Wear Ring with Umbrella-type Micro-dimple [PDF]

open access: yes한국정밀공학회지, 2023
For the hydraulic cylinder system of construction equipment to function normally, the hydraulic oil should not leak under high pressure, and the leakage begins with various seals of damage.
Young Chan Yoon, Taek Sung Lee
doaj   +1 more source

Numerical investigation of the influence of the inlet nozzle diameter on the degree of fluid exchange process in a hydraulic cylinder

open access: yesEngineering Applications of Computational Fluid Mechanics, 2021
Operation of heavy-duty machines leads to an observation that seals in hydraulic cylinders are frequently subjected to thermal degradation. The basis of this research is the previously proven thesis that the temperature of the liquid in the cylinder and ...
Tomasz Siwulski, Urszula Warzyńska
doaj   +1 more source

The analysis of permissible radial clearance in a piston-cylinder seal [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2023
In this research work, the influence of the radial clearance on the tightness coefficient of the working chamber with different cylinder diameters is considered. The main design scheme with the accepted assumptions is given.
A. G. Nikiforov, L. A. Muslova
doaj   +1 more source

Piston-Seals Friction Modeling Using a Modified Maxwell Slip Formation and Genetic Identification Algorithm

open access: yesIEEE Access, 2022
Improving spontaneity, shifting control, and efficiency are the main goals of actuators for hydraulic automated transmissions. Friction losses of piston-seals play an essential role in achieving these goals.
Rashad Mustafa   +3 more
doaj   +1 more source

Pembuatan seal tabung gas karet alam dengan filler pasir kuarsa sebagai pengganti karbon hitam

open access: yesMajalah Kulit, Karet, dan Plastik, 2017
This research aimed to make natural rubber-based gas cylinder seals with quartz sand as the filler to replace carbon black. The experiments consisted of the use of 10 phr, 20 phr, 30 phr, 40 phr, and 50 phr of quartz sand. The gas cylinder seals produced
Suharman, M. Harun
doaj   +1 more source

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