نتایج جستجو برای: dissipation factor

تعداد نتایج: 870006  

2005
Juan C. Vila Bravo Jaime E. Muñoz Rivera

In this paper we consider the thermoelastic plate equation with localized thermal dissipation of memory type, proposed by Gurtin and Pipkin [3]. We will show that the solution of the corresponding model decays exponentially as time goes to infinity, provided the relaxation function decays exponentially. The mean difference with others thermoelastic system is that the whole system is of hyperbol...

2015
Reinhold Egger

Thefluctuation dissipation theorem is at the heart of equilibrium statisticalmechanics. For a system away from thermal equilibrium, generalized nonequilibrium fluctuation relations have been found in recent years. Fluctuation relations reveal the fundamental connection between the response of a physical system to aweak externally applied force and the fluctuations in the systemwithout the exter...

Journal: :Physical review 2023

Pendulums have long been used as force sensors due to their ultimately low dissipation (high-quality factor) characteristic. They are widely in the measurement of gravitational constant, detection waves, and determination ultralight dark matter. Furthermore, it is expected that quantum nature gravity will be demonstrated by performing control for macroscopic pendulums. Recently, we entanglement...

2008
Y. Z. Fan D. M. Wei Bing Zhang

We investigate Gamma-ray Burst (GRB) internal shocks with moderate magnetization, with the magnetization parameter σ ranging from 0.001 to 10. Possible magnetic dissipation in the stripped magnetized shells is also taken into account through introducing a parameter k (0 < k 6 1), which is the ratio of the electric field strength of the downstream and the upstream. By solving the general MHD jum...

2004
Y. Z. Fan D. M. Wei Bing Zhang

We investigate γ -ray burst (GRB) internal shocks with moderate magnetization, with the magnetization parameter σ ranging from 0.001 to 10. Possible magnetic dissipation in the stripped magnetized shells is also taken into account through introducing a parameter k (0 < k 1), which is the ratio of the electric field strength of the downstream and the upstream. By solving the general MHD jump con...

2008
Andrey E. Vladimirov Andrei M. Bykov Donald C. Ellison

The highly amplified magnetic fields suggested by observations of some supernova remnant shells are most likely an intrinsic part of efficient particle acceleration by shocks. This strong turbulence, which may result from cosmicray-driven instabilities, both resonant and nonresonant, in the shock precursor, is certain to play a critical role in selfconsistent, nonlinear models of strong, cosmic...

Journal: :international journal of environmental research 0

laboratory degradation studies were performed in water at ph 4.0, 7.0 and 9.2 using prochloraz (450 ec) formulation at the rates of 1.0 (t1) and 2.0 (t2) î¼g/ml. water samples collected on 0 (2h),3,7,15,30,45,60 and 90 days after treatments were processed for residue analysis of prochloraz by hplc-uv detector. in 60 days, dissipation was 89.12-90.53 % at ph 4.0, 84.10-88.17 % at ph 7.0, and 92....

Journal: :international journal of environmental research 0

laboratory degradation studies were performed in water at ph 4.0, 7.0 and 9.2 using benthiocarb (saturn 50 ec) formulation at the rates of 1.0 (t1) and 2.0 (t2) î¼g/ml. water samples collected on 0 (2h),3,7,15,30,45,60 and 90 days after treatments were processed for residue analysis of benthiocarb by gc-npd capillary system. in 60 days, dissipation was 92.82-93.81 % at ph 4.0, 89.12-90.63 % at ...

A theoretical solution is presented for the forced convection heat transfer of a viscoelastic fluid obeying the Giesekus constitutive equation in a concentric annulus under steady state, laminar, and purely tangential flow. A relative rotational motion exists between the inner and the outer cylinders, which induces the flow. A constant temperature was set in both cylinders, in this study. The f...

H Ebadi, Z Fazel,

Interaction of Alfven waves with plasma inhomogeneity generates phase mixing which can cause the dissipation of Alfven waves. We investigated the dissipation of standing Alfven waves due to phase mixing at the presence of steady flow and sheared magnetic field in solar spicules. Moreover, the transition region between chromosphere and corona was considered. Our numerical simulation showed that ...

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