Results 91 to 100 of about 8,361,162 (295)
工程科学与技术, 2014 :Micro laval nozzle has been widely used in such areas as micro propulsion system, supersonic air-jet pulverization,laser cutting,etc.The gas flow characteristics for micro nozzles with different section shapes and different divergent section lengths ...
蔡玉奎, 刘战强, 万熠
doaj
Soft Skins With Reversible Thickness Morphing: Materials, Mechanisms, and Applications
Advanced Materials, EarlyView.Evolution of electronic skin (e‐skin) technologies toward adaptive, multifunctional soft skins. Phase I highlights early rigid and discrete sensory interfaces. Phase II shows the transition toward flexible, stretchable, and large‐area e‐skin. Phase III captures the emergence of computational e‐skin.
Oliver Ozioko +2 more
wiley +1 more source
Fin sweep angle does not determine flapping propulsive performance. [PDF]
J R Soc Interface, 2021 Zurman-Nasution AN +2 more
europepmc +1 more source
Effects of gradual flexibility and trailing edge shape on propulsive performance of pitching fins
, 2021 This paper addresses hydrodynamic performance of fins regarding their trailing edge convexity-concavity and flexibility distribution. The effects of trailing edge convexity-concavity on propulsive performance and vortex dynamics were investigated ...
L. Yao +7 more
core +1 more source
Breaking the Surface: Buoyant Metal–Polymer Open–Cell Hybrid Lattice Metamaterials
Advanced Materials, EarlyView.Open‐cell metal–polymer lattice metamaterials that defy sinking. (a) Injection process of the polyurethane (PU) foam into the titanium (Ti‐6Al‐4V) hollow‐strut lattice creating the open‐cell Ti‐6Al‐4V+PU hybrid lattice, (b) flotation test of a hybrid lattice specimen, and (c) a digital representation and experimental validation of a marine buoy ...
Jordan Noronha +7 more
wiley +1 more source
Study on propulsive performance of two geometrically similar podded propulsors
, 2013 This paper presents the outcome of a research to evaluate the effect of size on the propulsive performance of podded propulsors in cavitating and non-cavitating open water conditions. Two cases are examined, namely: propeller-only case and pod-unit case.
Islam M, Liu P, Veitch B, Akinturk A
core +4 more sources
Türk Spor ve Egzersiz Dergisi, 2015 The basic purpose of this study was to investigate of the relationships with sprint and jump performance of velocity parameters during propulsive phase of full back squat exercise and to determine which variable was associated with which loading.
Erdal Arı, Hamit Cıhan, Ibrahim Can
doaj
Race-time prediction for the Va’a paralympic sprint canoe [PDF]
, 2014 The 2016 Paralympic Games in Rio de Janeiro will see 200m sprint canoe events for the first time, using the Va’a class. The aim of this study is to predict race times for the Va’a over a 200m sprint event, through simulation of the hydrodynamic ...
Crossley, H.C. +3 more
core +1 more source
Advanced Materials, EarlyView.TESCLA (tubular electromagnetic soft conformal linear actuator) combines liquid‐metal solenoids and compliant magnetic composites to achieve large‐stroke bidirectional actuation with continuous bending. Integrated inductance‐based self‐sensing enables proprioceptive position estimation without external sensors, providing a versatile platform for soft ...
Yeongjin Choi +3 more
wiley +1 more source
Engineering Science and Technology, an International JournalOptimizing speed and propulsive efficiency are the most crucial survival skills for biomimetic robots. This paper investigates a swimming mode controller inspired by the black Knifefish to govern the fast-swimming gait with high propulsive efficiency for
Quoc Tuan Vu +3 more
doaj +1 more source