Results 31 to 40 of about 6,833,497 (160)

Extensional flow of Newtonian and Boger fluids through a flow focusing microdevice [PDF]

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Alves, MA   +3 more
core   +6 more sources

Linear tubular switched reluctance motor for heart assistance circulatory: Analytical and finite element modeling [PDF]

open access: yes, 2011
A linear tubular switched reluctance motor is presented. This actuator is devoted to be used as a left ventricular assist device (LVAD). In order to avoid thrombosis, this actuator includes pump and valve functions. By using a St. Jude Medical mechanical
Leprince, Pascal   +9 more
core   +1 more source

Linear oscillations of axisymmetric viscous liquid bridges [PDF]

open access: yes, 2000
Small amplitude free oscillations of axisymmetric capillary bridges are considered for varying values of the capillary Reynolds number C-1 and the slenderness of the bridge Λ .
Nicolás, José A.   +1 more
core   +1 more source

Linear Stability of a Steady Convective Flow between Permeable Cylinders

open access: yesFluids, 2021
Linear stability analysis of a steady convective flow in a tall vertical annulus caused by nonlinear heat sources is conducted in the paper. Heat sources are generated as a result of a chemical reaction.
Maksims Zigunovs   +2 more
doaj   +1 more source

Non-linear Analysis of Vibrating Flip-flow Screens

open access: yesMATEC Web of Conferences, 2018
Vibrating flip-flow screens provide an effective solution for the screening of highly viscous or fine materials. Apart from other factors, the vibration characteristics of the main and floating screen frames are largely responsible for the flip-flow ...
Gong Sanpeng   +2 more
doaj   +1 more source

Global and Koopman modes analysis of sound generation in mixing layers [PDF]

open access: yes, 2013
It is now well established that linear and nonlinear instability waves play a significant role in the noise generation process for a wide variety of shear flows such as jets or mixing layers.
X. Gloerfelt   +7 more
core   +1 more source

A Novel Radial-Composite Model of Pressure Transient Analysis for Multistage Fracturing Horizontal Wells with Stimulated Reservoir Volume

open access: yesGeofluids, 2021
In the process of stimulated reservoir volume of tight reservoir, horizontal well can form three zones, the inner zone is multistage fracturing zone, the middle zone is skin damage zone, and the outer zone is undamaged zone.
Yunpeng Hu   +7 more
doaj   +1 more source

Definition of a linear equivalent model for a non-linear system with impacts [PDF]

open access: yes, 2012
Modal characteristics of non-linear system are typically studied through response to harmonic excitation and using various definitions of non-linear modes. However, few results are available for systems under broadband excitation.
BALMES, Etienne   +2 more
core  

Stanford Linear Accelerator Center Annual Environmental Monitoring Report, January--December 1989

open access: yes, 1990
This progress report discusses environmental monitoring activities at the Stanford Linear Accelerator Center for 1989. Topics include climate, site geology, site water usage, land use, demography, unusual events or releases, radioactive and ...
Stanford Linear Accelerator Center
core   +1 more source

Component parts of the World Heat Flow Data Collection

open access: yes, 2013
This data set is a compilation of heat flow data of uncertain origin. References as cited in Global Heat Flow Database were incomplete and thus could not be verified.
Global Heat Flow Compilation Group   +1 more
core   +1 more source

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