Zobrazeno 1 - 10
of 310
pro vyhledávání: '"Rivas, David P."'
Publikováno v:
Physics of Fluids 36, 102016 (2024)
Continuous-wave lasers generated bubbles in microfluidic channels are proposed for applications such as needle-free jet injection due to their small size and affordable price of these lasers. However, water is transparent in the visible and near-IR r
Externí odkaz:
http://arxiv.org/abs/2406.17570
Studies of liquid jet impacts onto a deep liquid pool are of great significance for a multitude of engineering and environmental applications. During jet impact, the free surface of the pool deforms and a cavity is generated. Simultaneously, the free
Externí odkaz:
http://arxiv.org/abs/2310.18530
Thermocavitation, the creation of a vapor bubble by heating a liquid with a continuous-wave laser, has been studied for a wide range of applications. Examples include the development of an actuator for needle-free jet injectors, as the pumping mechan
Externí odkaz:
http://arxiv.org/abs/2310.09046
Autor:
Schoppink, Jelle J., Mohan, Keerthana, Quetzeri-Santiago, Miguel A., McKinley, Gareth, Rivas, David Fernandez, Dickerson, Andrew K.
A laser pulse focused near the closed end of a glass capillary partially filled with water creates a vapor bubble and an associated pressure wave. The pressure wave travels through the liquid toward the meniscus where it is reflected, creating a fast
Externí odkaz:
http://arxiv.org/abs/2301.10084
Bubbles generated with lasers under confinement have been investigated for their potential use as the driving mechanism for liquid micro-jets in various microfluidic devices, such as needle free jet injectors. Here, we report on the study of bubble f
Externí odkaz:
http://arxiv.org/abs/2211.11233
We report a closed-loop control system for paramagnetic catalytically self-propelled Janus microrobots. We achieve this control by employing electromagnetic coils that direct the magnetic field in a desired orientation to steer the microrobots. The m
Externí odkaz:
http://arxiv.org/abs/2210.11460
The collapse of a gas or vapour bubble near a non-porous boundary is directed at the boundary due to the asymmetry induced by the nearby boundary. High surface pressure and shear stress from this collapse can damage, or clean, the surface. A porous b
Externí odkaz:
http://arxiv.org/abs/2210.03614
Electromagnetic systems have been used extensively for the control magnetically actuated objects, such as in microrheology and microrobotics research. Therefore, optimizing the design of such systems is highly desired. Some of the features that are l
Externí odkaz:
http://arxiv.org/abs/2211.01173
Injecting with needles causes fear, pain and contamination risks. Billions of injections every year also cause environmental burden in terms of material consumption and waste. Controlled microfluidic-jet injection systems offer a needle-free alternat
Externí odkaz:
http://arxiv.org/abs/2207.12167
The impact of solid and liquid objects (projectiles) onto liquids and soft solids (targets) generally results on the creation and expansion of an air cavity inside the impacted objects. The dynamics of cavity expansion and collapse depends on the pro
Externí odkaz:
http://arxiv.org/abs/2207.02667