Results 141 to 150 of about 97,101 (280)
A Step by Step Walking Electric Workover Rig with Self Balancing Derrick
Shiyou jixie, 2020 To meet the needs of workover operations in Yuedong Oilfield, a step by step walking electric workover rig with self-balancing derrick is developed. The workover rig uses a step by step walking hydraulic load-bearing chassis as the load-bearing chassis ...
Wei Wenke, Song Hongyu, Wu Qiudong
doaj
Dynamic testing of docking system hardware [PDF]
, 1972 Extensive dynamic testing was conducted to verify the flight readiness of the Apollo docking hardware. Testing was performed on a unique six degree-of-freedom motion simulator controlled by a computer that calculated the associated spacecraft motions ...
Dorland, W. D.
core +1 more source
Electrohydraulic Folding Ring Actuators for Radial Contraction
Advanced Science, EarlyView.This work presents an Electrohydraulic Folding Ring Actuator that combines high‐performance electrohydraulic actuation with origami‐inspired folding geometry to achieve constricting radial actuation. This integration yields significant inner lumen constriction, alongside a gripping force capable of holding objects exceeding four times the actuator's ...
Gavril Yong En Tan +4 more
wiley +1 more source
Making Sweat Measurable: Induction, Sampling, and Refreshment in Wearable Biofluid Sensing
Advanced Science, EarlyView.Wearable sweat sensing relies not only on chemical detection but also on controlled biofluid management. This Review integrates sweat physiology, induction strategies, and microfluidic sampling architectures, demonstrating how flux, transport, and refreshment shape measurement reliability.
Soyoung Shin, Wei Gao
wiley +1 more source
Advanced Science, EarlyView.This work reports a thermally safe, photothermally reprogrammable magnetic soft robot with its reprogramming temperature tuned to ∼39.5°C for biocompatibility. It achieves multimodal locomotion (max speed of 1.8 BL/s) and integrates liquid‐metal capacitive sensing to monitor self‐motion and detect environmental changes in simulated gastric environments,
Liu Yang +5 more
wiley +1 more source
Optimization research on the inlet and outlet passage of shaft tubular pump based on CFD
AIP AdvancesTo address the problems of low operational efficiency and high hydraulic loss in the vertical shaft tubular pump device at the Taiziwei Port Lock Station, an optimization method for the inlet and outlet flow passages based on numerical simulation is ...
Yi Miao +3 more
doaj +1 more source
Diagnostic procedures for antenna hydraulic drive systems [PDF]
Diagnostic, testing, and maintenance procedures for hydraulic drive systems for large steerable ...
Lombardo, J. J. +2 more
core +1 more source
Sputtering Mechanism of an Unsintered Organic–Inorganic Sputtering Target for Perovskite Solar Cells
Advanced Energy Materials, EarlyView.An unsintered MAPbI3 sputtering target fabricated via a mechanochemical route enables large‐area vacuum deposition of perovskite absorber layers, while revealing an ion–photon coupled decomposition mechanism that governs target erosion and film composition under RF plasma exposure.
Doha Lim +9 more
wiley +1 more source
AIChE Journal, EarlyView.Abstract Electrification of distillation offers a promising route to reducing scope‐1 emissions from one of the chemical industry's most energy‐intensive unit operations. However, conventional adiabatic columns are dynamically inflexible: Long, energy‐intensive start‐ups make shutdown and restart impractical under variable electricity prices and ...
Samuel Mercer, Michael Baldea
wiley +1 more source
Automatic controls and regulators: A compilation [PDF]
Devices, methods, and techniques for control and regulation of the mechanical/physical functions involved in implementing the space program are discussed.
core +1 more source