Spectral statistics in damped systems. Part I. Modal decay rate statistics

1996 ◽  
Vol 100 (1) ◽  
pp. 320-326 ◽  
Author(s):  
John Burkhardt ◽  
Richard L. Weaver
Keyword(s):  
Decay Rate ◽  
Spectral Statistics ◽  
Damped Systems

scholarly journals On energy decay rate for linear damped systems

2002 ◽  
Vol 8 (4) ◽  
pp. 851-864 ◽  
Author(s):  
Mohammed Aassila ◽  
Keyword(s):  
Decay Rate ◽  
Energy Decay ◽  
Energy Decay Rate ◽  
Damped Systems

Nonbaseband residual flexibility method of component mode synthesis for proportionally damped systems

AIAA Journal ◽  
1999 ◽  
Vol 37 ◽  
pp. 1285-1291
Author(s):  
Jeffrey A. Morgan ◽  
Christophe Pierre ◽  
Gregory M. Hulbert
Keyword(s):  
Component Mode Synthesis ◽  
Damped Systems

Bacterial die-away rates in red sea waters

1995 ◽  
Vol 32 (2) ◽  
pp. 45-52 ◽  
Author(s):  
H. Z. Sarikaya ◽  
A. M. Saatçi
Keyword(s):  
Solar Radiation ◽  
Decay Rate ◽  
Sea Water ◽  
Membrane Filter ◽  
Linear Regression Analysis ◽  
Total Coliform ◽  
Coliform Bacteria ◽  
Decay Rate Constant ◽  
Solar Intensity ◽  
Log Normal

Total coliform bacteria have been chosen as the indicator organism. Coliform die-away experiments have been carried out in unpolluted sea water samples collected at about 100 m off the coastline and under controlled environmental conditions. The samples were transformed into one litre clean glass beakers which were kept at constant temperature and were exposed to the solar radiation. The membrane filter technique was used for the coliform analysis. The temperature ranged from 20 to 40° C and the dilution ratios ranged from 1/50 to 1/200. Coliform decay rate in the light has been expressed as the summation of the coliform decay rate in the dark and the decay rate due to solar radiation. The solar radiation required for 90 percent coliform removal has been found to range from 17 cal/cm2 to 40 cal/cm2 within the temperature range of 25 to 30° C. Applying the linear regression analysis two different equations have been given for the high (I>10 cal/cm2.hour) and low solar intensity ranges in order to determine the coliform decay rate constant as a function of the solar intensity. T-90 values in the light have been found to follow log-normal distribution with a median T-90 value of 32 minutes. The corresponding T-90 values in the dark were found to be 70-80 times longer. Coliform decay rate in the dark has been correlated with the temperature.

scholarly journals Energy Gap Dependence of the Nonradiative Decay Rate Constant of 1-Anilino-8-naphthalene Sulfonate in Reverse Micelles.

1999 ◽  
Vol 15 (5) ◽  
pp. 413-419 ◽  
Author(s):  
Noboru KITAMURA ◽  
Norio SAKATA ◽  
Haeng-Boo KIM ◽  
Satoshi HABUCHI
Keyword(s):  
Decay Rate ◽  
Rate Constant ◽  
Reverse Micelles ◽  
Energy Gap ◽  
Decay Rate Constant ◽  
Nonradiative Decay ◽  
Nonradiative Decay Rate

scholarly journals Massive Dirac quasinormal modes in Schwarzschild–de Sitter black holes: Anomalous decay rate and fine structure

2021 ◽  
Vol 103 (6) ◽  
Author(s):  
Almendra Aragón ◽  
Ramón Bécar ◽  
P. A. González ◽  
Yerko Vásquez
Keyword(s):  
Black Holes ◽  
Fine Structure ◽  
Decay Rate ◽  
Quasinormal Modes ◽  
De Sitter
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