نتایج جستجو برای: transient phenomena

تعداد نتایج: 243873  

2008
Satoshi Hata Naoyuki Nagai Toyoaki Yasui Hiroshi Tsukamoto

For mechanical drive steam turbines, the investigation results of corrosion fatigue phenomena in the transient zone are introduced, including basic phenomena on expansion line and actual design and damage experience. These results were analyzed from the standpoint of stress intensity during the start of cracking. In order to resolve such problems, preventive coating and blade design methods aga...

2007
M. Ryzhii

An ensemble Monte Carlo particle model for uni-traveling-carrier (UTC) photodiodes is developed. This model is used to study electron and hole nonequilibrium phenomena and transient response of UTC photodiodes.

2000
Harvey D. Thornburg Fabien Gouyon

We propose a new transient model which naturally extends the sinusoidal model to nonstationary phenomena. An integrated online-offline segmentation approach is developed, followed by an explicitly time-variant sinusoidal model.

Journal: :Physical review letters 2014
C C Kwong T Yang M S Pramod K Pandey D Delande R Pierrat D Wilkowski

We investigate the transient coherent transmission of light through an optically thick cold strontium gas. We observe a coherent superflash just after an abrupt probe extinction, with peak intensity more than three times the incident one. We show that this coherent superflash is a direct signature of the cooperative forward emission of the atoms. By engineering fast transient phenomena on the i...

Journal: :IEEE Trans. on CAD of Integrated Circuits and Systems 1993
Tahui Wang Sheng-Jyh Wu Chimoon Huang

An integrated device and circuit analysis has been developed to evaluate the DX trap induced anomalous transient phenomena in DCFL and SCFL AlGaAs/GaAs HEMT inverters. The slow transient effect and the hysteretic characteristics of the input-output voltage transfer function in the inverters are simulated. The result shows that in comparison with the DCFL inverter, the DX trap effects are much i...

2010
Marc Pous Mireya Fernández-Chimeno Ferran Silva

In this paper a radiofrequency identification system according to standard ISO/IEC 14443 type-B is evaluated in presence of transient noise. This real time communication system working at 13.56 MHz is interfered in a controlled environment by different transient bursts varying their level, frequency and duration. The transient burst interference is applied in an AC main wire close to the system...

2003
Ljupco Kocarev Zarko Tasev Gian Mario Maggio

In this paper, we treat the turbo decoding algorithm as a dynamical system parameterized by the SNR (signal-to-noise ratio). A whole range of nonlinear phenomena, including chaos and transient chaos, have been shown to occur in the turbo decoding algorithm. As an application, we develop an adaptive technique to control transient chaos, leading to an improvement of the BER (bit error rate) perfo...

2014
Christopher Butler Adam Zeman

Transient global amnesia (TGA) is a neurological syndrome characterised by a self-limiting episode of isolated memory impairment. The aetiology of TGA is unknown but it is widely thought not to be an epileptic phenomenon. Nevertheless, epileptic seizures can cause a very similar clinical picture – the syndrome of transient epileptic amnesia (TEA). It is important to distinguish between these tw...

ژورنال: مواد پرانرژی 2011
حیدری, محمدرضا, میرساجدی, سید مهدی , کلاته, عصمت,

  Abstract   In this research, internal ballistics of solid rocket motor (SRM) has been simulated numerically including two phase flow phenomena. The flow field is consisting of combustion chamber, cylindrical grain, and converging-diverging conic nozzle. One-dimensional transient Euler equations has been solved through Jameson method. The mentioned equations are discretized using fourth order ...

Journal: :The Journal of chemical physics 2014
Aleksander Stanislavsky Karina Weron Aleksander Weron

This paper deals with a problem of transient anomalous diffusion which is currently found to emerge from a wide range of complex processes. The nonscaling behavior of such phenomena reflects changes in time-scaling exponents of the mean-squared displacement through time domain - a more general picture of the anomalous diffusion observed in nature. Our study is based on the identification of som...

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