Buscar
Mostrando ítems 1-10 de 534
A stochastic model for the speed of leak noise propagation in plastic water pipes
(2021-06-09)
A good estimate of the speed of leak noise propagation is necessary to pinpoint the location of a leak using acoustic correlators. Models currently exist for this purpose, but they do not consider uncertainties in the pipe ...
Additive Noise Induces Front Propagation
(2005-04-15)
The effect of additive noise on a static front that connects a stable homogeneous state with an also stable
but spatially periodic state is studied. Numerical simulations show that noise induces front propagation.
The ...
Front propagation sustained by additive noise
(AMERICAN PHYSICAL SOC, 2006-07)
The effect of noise in a motionless front between a periodic spatial state and an homogeneous one is studied. Numerical simulations show that noise induces front propagation. From the subcritical Swift-Hohenberg equation ...
Front propagation sustained by additive noise
(2006)
The effect of noise in a motionless front between a periodic spatial state and an homogeneous one is studied. Numerical simulations show that noise induces front propagation. From the subcritical Swift-Hohenberg equation ...
Estimating the spectrum of leak noise in buried plastic water distribution pipes using acoustic or vibration measurements remote from the leak
(2021-01-15)
An appropriate model of leak noise at source is necessary in analytical and numerical approaches to investigate the characteristics of leak noise measured remotely from the leak in buried water pipes. It is extremely ...
Front propagation dynamics: Qualitative differences revealed by very high intensity fluctuations
(American Physical Society, 2018-04)
This paper presents a detailed analysis of the effect of a large external noise on the propagation of a front between two stable steady states. Noise affects one of the steady states or the thresholds. Significantdifferences ...
Additive noise induces Front propagation
(2005)
The effect of additive noise on a static front that connects a stable homogeneous state with an also stable but spatially periodic state is studied. Numerical simulations show that noise induces front propagation. The ...
On the effects of soil properties on leak noise propagation in plastic water distribution pipes
(2018-08-04)
In many countries, leaks are located in water distribution pipes by using the cross-correlation of pipe vibration measured either side of a suspected leak. However, in modern plastic pipes this can be problematic due to ...
Measurement of the speed of leak noise propagation in buried water pipes: Challenges and difficulties
(2018-01-01)
To accurately determine the position of a leak in a buried plastic water pipe using acoustic correlation, a good estimate of the speed of noise propagation (wave speed) is required. The factors that affect this wave speed, ...
Noise induced rolls propagation
(2007)
Interfaces in two-dimensional systems exhibit unexpected complex dynamical behaviors. We present a robust effect of noise in two dimensional extended systems: the motion of a static front connecting a stripe pattern with ...