Results 11 to 20 of about 234 (198)

Experimental Study on the Impingement Characteristics of Self-Excited Oscillation Supercritical CO2 Jets Produced by Organ-Pipe Nozzles

open access: yesEnergies, 2021
Supercritical carbon dioxide (SCO2) jets are a promising method to assist drilling, enhance oil–gas production, and reduce greenhouse gas emissions. To further improve the drilling efficiency of SCO2 jet-assisted drilling, organ-pipe nozzles were applied
Mengda Zhang   +2 more
doaj   +1 more source

Resonance phenomena in dielectric media: A review and comparison of acoustic and electromagnetic modes

open access: yesJournal of Advanced Dielectrics, 2023
The theory and application of resonances and vibrational modes are part of the foundation of science. In this contribution, examples of acoustical resonators are highlighted, and compared to electromagnetic modes.
Gunnar Gidion   +3 more
doaj   +1 more source

Development of an Earthworm-Based Intestinal Soft Robot Equipped with a Gripper

open access: yesMachines, 2022
An endoscopy is a tool that is used to examine the interior of a hollow organ or cavity of the body by inserting directly into the organ. However, intestinal endoscopy is not friendly to patients due to discomfort, and it can easily cause intestinal ...
Gongxin Li   +4 more
doaj   +1 more source

Synchronization of organ pipes [PDF]

open access: yesThe European Physical Journal B, 2018
We investigate synchronization of coupled organ pipes. Synchronization and reflection in the organ lead to undesired weakening of the sound in special cases. Recent experiments have shown that sound interaction is highly complex and nonlinear, however, we show that two delay-coupled Van-der-Pol oscillators appear to be a good model for the occurring ...
Sawicki, Jakub   +2 more
openaire   +2 more sources

The Dependence of Flue Pipe Airflow Parameters on the Proximity of an Obstacle to the Pipe’s Mouth

open access: yesSensors, 2021
This paper describes the influence of the presence of an obstacle near the flue pipe’s mouth on the air jet, which directly affects the parameters of the sound generated by the flue pipe. Labial pipes of the most common types of mouth were tested.
Damian Węgrzyn   +2 more
doaj   +1 more source

Linear Actuators in a Haptic Feedback Joystick System for Electric Vehicles

open access: yesComputers
Several strategies for navigation in unfamiliar environments have been explored, notably leveraging advanced sensors and control algorithms for obstacle recognition in autonomous vehicles.
Kamil Andrzej Daniel   +2 more
doaj   +1 more source

The Greatest of Pipe Organs [PDF]

open access: yesScientific American, 1904
n ...
openaire   +2 more sources

Of Pipes and Patches: Listening to augmented pipe organs [PDF]

open access: yesOrganised Sound, 2019
Pipe organs are complex timbral synthesisers in an early acousmatic setting, which have always accompanied the evolution of music and technology. The most recent development is digital augmentation: the organ sound is captured, transformed and then played back in real time.
d'Alessandro, Christophe   +1 more
openaire   +2 more sources

Cavitation Impact Characteristics of Organ-Pipe Nozzle Under Gas Hydrate Reservoir Conditions

open access: yesShiyou jixie, 2023
In order to improve the application effect of cavitation jet technology in the gas hydrate reservoir stimulation, the numerical simulation and experimental study were carried out to study the cavitation impact characteristics of organ-pipe nozzle-the key
Zhang Xin   +3 more
doaj  

On a Robust Descriptor of the Flue Organ Pipe Transient

open access: yesArchives of Acoustics, 2020
The initial transient of an organ pipe is known to be of great influence to the perceived sound quality. At the same time, the unsteady process of the tone onset is essentially nonlinear and lacks exact repeatability, so the search for a robust ...
Viktor HRUŠKA, Pavel DLASK
doaj   +1 more source

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