Results 11 to 20 of about 54,589 (315)

Effect of Offset Distance of the Central Axis of Diffusion Section on Fertilizer Absorption of Asymmetric Venturi Injector

open access: yesGuan'gai paishui xuebao, 2023
【Objective】 The asymmetric Venturi fertilizer injector is a device to simultaneously supply water and nutrients to crops through a drip irrigation system. Its performance is influenced by various factors. In this paper, we experimentally study the impact
HU Guirong   +5 more
doaj   +1 more source

A robotics platform for automated batch fabrication of high density, microfluidics-based DNA microarrays, with applications to single cell, multiplex assays of secreted proteins [PDF]

open access: yes, 2011
Microfluidics flow-patterning has been utilized for the construction of chip-scale miniaturized DNA and protein barcode arrays. Such arrays have been used for specific clinical and fundamental investigations in which many proteins are assayed from single
Ahmad, Habib   +6 more
core   +1 more source

2-MV electrostatic quadrupole injector for heavy-ion fusion

open access: yesPhysical Review Special Topics. Accelerators and Beams, 2005
High current and low emittance are principal requirements for heavy-ion injection into a linac driver for inertial fusion energy. An electrostatic quadrupole injector is capable of providing these high charge density and low emittance beams.
F. M. Bieniosek   +9 more
doaj   +1 more source

Research on Numerical Simulation and Structural Optimization of Dual-Throat Venturi Fertilizer Injectors [PDF]

open access: yesE3S Web of Conferences
Fertilization equipment is a crucial component of irrigation systems, and its performance directly impacts irrigation quality. To address the issues of low suction flow and excessive head loss in existing Venturi fertilizer injectors, the team employed ...
Xu Yinkang   +6 more
doaj   +1 more source

Spray patterns of multi-element swirl coaxial injector of interacting spray under different injection conditions

open access: yesAIP Advances, 2021
Multi-element injectors have been used in liquid rocket engines to obtain high thrust, and the gas-centered swirl coaxial injector is a representative injection system because it provides high mixing performance.
Wooseok Song, Jaye Koo
doaj   +1 more source

Thermoacoustic Stability Boundaries in the Model Combustion Chamber with a Gas-Centered Swirl Coaxial Injector

open access: yesInternational Journal of Aerospace Engineering, 2019
The stability of a combustion chamber with a gas-centered swirl coaxial injector is investigated over a wide range of operating conditions in the aspect of thermoacoustic instabilities. First, flame shapes induced by the injector are analyzed for various
Yong Ho Min   +2 more
doaj   +1 more source

An Analysis of the Combustion Behavior of Ethanol, Butanol, Iso-Octane, Gasoline, and Methane in a Direct-Injection Spark-Ignition Research Engine [PDF]

open access: yes, 2012
Future automotive fuels are expected to contain significant quantities of bio-components. This poses a great challenge to the designers of novel low-CO2 internal combustion engines because biofuels have very different properties to those of most typical ...
Aleiferis, PG   +2 more
core   +2 more sources

Simulating the Effects of Structural Parameters on the Hydraulic Performances of Venturi Tube

open access: yesModelling and Simulation in Engineering, 2012
The effects of Venturi structural parameters on its hydraulic performance were studied, which provided theoretical basis for the design of Venturi injector.
Yanqi Sun, Wenquan Niu
doaj   +1 more source

Integral Hoisting Remote Control Heavy Load Tower for Coiled Tubing Operation

open access: yesShiyou jixie, 2021
When the velocity string operation was carried out in South Sulige Block, the existing tower could not meet the requirements of field construction, therefore, the integral hoisting remote control heavy load tower was developed.
Liu Pingguo   +6 more
doaj  

The Legacy of the Tevatron in the Area of Accelerator Science

open access: yes, 2013
For more than 25 years the Tevatron was the highest energy accelerator in the world, providing the first access to particle collisions beyond 1 TeV and achieving an ultimate performance a factor of four hundred beyond the original design goals.
Holmes, Stephen D.   +1 more
core   +1 more source

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