Design of multiple-stage hydraulic cylinder for structural safety and sealing analysis [PDF]
Scientific ReportsMulti-stage telescopic hydraulic cylinders are used in cranes, trucks, and factories. Due to the large working distance of horizontal multi-stage hydraulic cylinders, large deflections appear with several structural safety problems, such as leakages ...
Qi Haonan +3 more
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Hydrodynamic Responses and Machine Learning-Based Shape Classification of Harbor Seal Whiskers in the Wake of Bluff Bodies [PDF]
BiomimeticsHarbor seals, equipped with their uniquely structured whiskers, demonstrate remarkable proficiency in tracking the trajectories of prey within dark and turbid marine environments.
Xianghe Li +6 more
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Effect of Geometric Error on Friction Behavior of Cylinder Seals [PDF]
Polymers, 2021 Jian Wu, Haohao Li, Benlong Su
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Experimental Study on Aerodynamic Characteristics of Downwind Bionic Tower Wind Turbine [PDF]
BiomimeticsThe vibrissae of harbor seals exhibit a distinct three-dimensional structure compared to circular cylinders, resulting in a wave-shaped configuration that effectively reduces drag and suppresses vortex shedding in the wake.
Junwei Yang +3 more
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Undulating Seal Whiskers Evolved Optimal Wavelength‐to‐Diameter Ratio for Efficient Reduction in Vortex‐Induced Vibrations [PDF]
Advanced ScienceSeals are well‐known for their remarkable hydrodynamic trail‐following capabilities made possible by undulating flow‐sensing whiskers that enable the seals to detect fish swimming as far as 180 m away.
Amar M. Kamat +5 more
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Shape Classification Using a Single Seal-Whisker-Style Sensor Based on the Neural Network Method [PDF]
SensorsSeals, sea lions, and other aquatic animals rely on their whiskers to identify and track underwater targets, offering valuable inspiration for the development of low-power, portable, and environmentally friendly sensors.
Yitian Mao +6 more
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Ancient Cylinder Seals from Upper Mesopotamia
Anadolu Araştırmaları, 2023 This study examines 14-cylinder seals from the Diyarbakır Archeology Museum. Unfortunately, the museum inventory does not provide any information about their definition, period, or the culture they belong to.
Çağatay Yücel, Umut Parlıtı
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Cylinder Seal from Historical and Local Lore Museum of Jalilabad (Azerbaijan Republic)
Археология евразийских степей, 2022 The paper describes a cylinder seal from the exposition of Historical and Local Lore Museum (Inv. № 4240) of Jalilabad (the Azerbaijan Republic). The seal was made from paste with a carved ornament. The color of the item is white.
Dmitry A. Kirichenko
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Analysis of piston seals efficiency in silent pump units using analysis of deformed state of compression chamber cylindrical part [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2020 The article discusses the application of various types of seals in piston pump with low-speed long-stroke units. The calculated values of the deformations of the cylindrical part of the working chamber and the current value of the actual clearances for
D. S. Titov, S. S. Busarov, I. P. Aistov
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تجسيد فکرة الصراع والحماية على مشاهد أختام العصر السومري القديم(2900-2371ق.م) -نماذج مختارة من المتحف العراقي- Embodying the idea of conflict and protection on scenes of seals of the ancient Sumerian period (2900-2371BC) -Selected models from the Iraq Museum- [PDF]
Maǧallaẗ Buḥūṯ Al-Šarq Al-Awsaṭ, 2023 الملخص:يعتمد هذا البحث على دراسة وصفية تحليلية لمجموعة من أختام اسطوانية غير منشورة محفوظة في المتحف العراقي في بغداد، تصور مشاهد هذه الأختام التي تعود بتاريخها الى حقبة الألف الثالث قبل الميلاد واحداً من اکثر المواضيع الفنية أهمية وشيوعاً على أختام ...
عباس زويد موان جبوري +2 more
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