Results 81 to 90 of about 232,845 (291)

Підвищення екологічної безпеки в ході експлуатації нафтових резервуарів [PDF]

open access: yes, 2009
Запропоновано схему утилізації парів нафти і газу, які виділяються в газовий простір нафтового резервуара. Для силового приводу струминного апарата використаний напір, що створюється стовпом нафти в резервуарі.
Паневник, О. В.
core  

Multi‐Material Additive Manufacturing of Soft Robotic Systems: A Comprehensive Review

open access: yesAdvanced Robotics Research, EarlyView.
This review explores the transformative role of multi‐material additive manufacturing (MMAM) in the development of soft robotic systems. It presents current techniques, materials, and design strategies that enable functionally graded and adaptive structures.
Ritik Raj   +2 more
wiley   +1 more source

Effect of vortex fluctuation in a 90-degree curved pipe on the surface fluctuation of an ejected liquid jet

open access: yesJournal of Fluid Science and Technology
Improving the thermal efficiency of internal combustion engines requires a high compression ratio, a high thermal load, and high mechanical strength in the combustion chambers.
Erwei LIU   +6 more
doaj   +1 more source

Lubrication and cooling for high speed gears [PDF]

open access: yes
The problems and failures occurring with the operation of high speed gears are discussed. The gearing losses associated with high speed gearing such as tooth mesh friction, bearing friction, churning, and windage are discussed with various ways shown to ...
Townsend, D. P.
core   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

open access: yesAdvanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu   +5 more
wiley   +1 more source

Study of Lubricant Jet Flow Phenomena in Spur Gears: Out of Mesh Condition [PDF]

open access: yes
Oil jet lubrication on the disengaging side of a gear mesh was analyzed. Results of the analysis were computerized and used to determine the oil jet impingement depth for several gear ratios and oil jet to pitch line velocity ratios.
Akin, L. S., Townsend, D. P.
core   +1 more source

Tumbling Magnetic Microrobots for Targeted In Vivo Drug Delivery in the GI Tract

open access: yesAdvanced Robotics Research, EarlyView.
We introduce a microrobot design and integrated system for on‐demand targeted drug release in the gastrointestinal tract. The microrobot has an embedded magnet for actuation with external magnetic fields and is visualized in real time using ultrasound. It has two drug release ports sealed with a thermally sensitive wax. Local heating of the wax using a
Aaron C. Davis   +7 more
wiley   +1 more source

Numerical and Experimental Investigations of Oil Return Efficiency in Tapered Roller Bearings Under Oil Jet Lubrication

open access: yesLubricants
Tapered roller bearings are extensively utilized in the aerospace industry owing to their superior load-carrying capacity and extended service life. However, the majority of research conducted by scholars on the subject of bearing lubrication has focused
Yu Dai   +5 more
doaj   +1 more source

Instability of an Oil Hydraulic Jet-Pipe Servomechanism

open access: yesBulletin of JSME, 1975
Although it has been known that the oil hydraulic jet-pipe servomechanism may often fall into instability, the details of the phenomenon have not yet been clarified. In this study, the instability which occurs in an oil hydraulic jet-pipe servomechanism with a force feedback is treated theoretically and experimentally.
Tadaya ITO, Shoji TAKAGI
openaire   +3 more sources

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