Dependence of the Induced Loss Factor on the Coupling Forms and Coupling Strengths

Linear Analysis

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In Statistical Energy Analysis (SEA) the coupling loss factor equals the power of energy flux out of one subsystem into another subsystem coupled to it, nondimensionalized by the product of angular frequency and energy stored in the source subsystem. “Generalized point coupling” indicates any coupling mechanism whose dynamic displacement can be characterized by a single generalized Author: P. W. Smith. A coupling reaction in organic chemistry is a general term for a variety of reactions where two fragments are joined together with the aid of a metal one important reaction type, a main group organometallic compound of the type R-M (R = organic fragment, M = main group center) reacts with an organic halide of the type R'-X with formation of a new carbon-carbon bond in the product R-R'.   Coupling loss in fiber optics refers to the power loss that occurs when coupling light from one optical device or medium to another. Coupling losses can result from a number of factors. It is found that for the Ikeda instability of light inside a FORR, the ring-cavity lifetime is much longer than the Kerr-effect response time of the fiber ring. Transmission curves of bistability and instability are shown as a function of the coupler insertion losses (γ) and the coupling coefficients (κ).Cited by:

5-HMR Sign of Coupling Constants. Coupling constants can be either positive or negative, defined as follows: coupling constants are positive if the energy of A is lower when X has the opposite spin as A (αβ or βα), and negative if the energy of A is lower when X has the same spin as A (αα or ββ). Strong Force Coupling Constant. In obtaining a coupling constant for the strong interaction, say in comparison to the electromagnetic force, it must be recognized that they are very different in electromagnetic force is infinite in range and obeys the inverse square law, while the strong force involves the exchange of massive particles and it therefore has a very short range. Estimation of the SEA Coupling Loss Factors by Means of Spectral Element Modeling The coupling loss factors are of critical importance when building and solving Statistical Energy Analysis (SEA) models. This paper proposes a methodology to numerically estimate these factors for frame-type structures. The estimated factors are compared with.   Coupling loss is a term used to describe any loss of energy potential across a physical joint in two conductors. The term is generally applied to the electrical, telecommunications, and data transfer fields, although it may also have relevance in the area of fluid dynamics.

Dependency Injection for loose coupling of Objects Mathew Biju Abstract- Object oriented software may involve a number of objects that are closely coupled, making it very cumbersome for efficient software testing due to dependencies. Managing and keeping track of lifetimes of various objects becomes a difficult task.   It gives the information of the flux which is linked between two coils. If coefficient of coupling(K) is 1 means flux linkage is Maximum. If coefficient of coupling is 0 means flux linkage is minimum The coefficient varies in between 0 and 1. also known as connection loss is the loss that occurs when energy is transferred from one circuit, circuit element, or medium to another. Coupling loss is usually expressed in the same units such as watts or decibels as in the originating circuit. Metallic Flexible Coupling Service Life and Failure Modes Consider these design Metallic disc and diaphragm are the two principle types of nonlubricated couplings used in high-performance turbomachinery. Both transmit torque and accommodate misalignment between turbomachinery equipment shafts. These types of couplings rely.

Dependence of the Induced Loss Factor on the Coupling Forms and Coupling Strengths Download PDF EPUB FB2

In two recent papers, the influence on the response behavior of a master oscillator due to its coupling to a set of satellite oscillators is derived and examined.The complex, comprising a master oscillator coupled to a set of satellite oscillators, is sketched in Fig.

examination is conducted in terms of the induced loss factor as a function of the normalized frequency by: G. Maidanik, K.J. Becker, Dependence of the induced loss factor on the coupling forms and couplings strengths: energy analysis, Journal of Sound and Vibration () 33–48, this issue.

Google ScholarCited by: Dependence of the induced loss factor on the coupling forms and coupling strengths: Linear analysis Article in Journal of Sound and Vibration (1) September with 16 Reads.

Superconductivity is caused by the interaction between electrons by the exchange of collective bosonic excitations, however, this bosonic glue forming electron pairs is manifested itself by the coupling strength of the electrons to collective bosonic excitations. Here the doping and momentum dependence of the coupling strength of the electrons to spin excitations in cuprate superconductors is Author: Yingping Mou, Yiqun Liu, Shuning Tan, Shiping Feng.

Two coils are taken coil A and coil B, when current flows through one coil it produces flux; the whole flux may not link with the other coil coupled, and this is because of leakage flux by a fraction (k) known as Coefficient Of Coupling. k=1, when the flux produced by one coil, completely links with the other coil and is called magnetically tightly coupled.

Note 1: Coupling loss usually is expressed in the same unit as used for the originating circuit, such as in watts or dBm. Note 2: Coupling loss may be expressed in absolute units, such as watts, or as a ratio, i.e., a fraction or percentage of the power in the originating circuit.

If expressed as 10 times the logarithm to base 10 of the ratio. DeepDyve is the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. DeepDyve is the easiest way to get instant access to the academic journals you need.

A simple formula is proposed to estimate the Statistical Energy Analysis (SEA) coupling loss factors (CLFs) for two flexible subsystems connected via discrete interfaces.

First, the dynamic interactions between two discretely connected subsystems are described as a set of intermodal coupling stiffness terms.

It is then found that if both subsystems are of high modal density and meanwhile the Author: Jun Zhang, Lin Ji, Zhenyu Huang, Pingping Zhang, Wei Wang.

Mutual Inductance Mutual inductance is defined as inductance of a circuit caused by mutual coupling with other circuit. Mutual coupling of two coils means that magnetic field produced by one coil is linking / crossing the other coil and vice versa. Mutual Inductance is generally denoted by letter M and its SI unit is Henry.

Read more Mutual Inductance – Perfect Coupling and Coupling Factor. The failure of the original flexible disc coupling consisted of a crack in the spacer, which appeared to originate at a bolt hole.

Initially, plant maintenance was blamed for possibly over tightening the coupling bolts. The 45 degree angle of the crack in the coupling spacer is. Coupling loss, also known as connection loss, is the loss that occurs when energy is transferred from one circuit, circuit element, or medium to ng loss is usually expressed in the same units—such as watts or decibels—as in the originating circuit element or medium.

Coupling loss in fiber optics refers to the power loss that occurs when coupling light from one optical device. A number that (a) expresses the degree of electronic coupling that exists between two circuits, (b) is calculated as the ratio of (i) the mutual impedance to (ii) the square root of the product of the self-impedances of the coupled circuits, all impedances being of the same kind, such as all being inductive reactances or capacitive reactances, and (c) is given by the relations Γ = Z m /(Z 1 Z.

that propagated across the coupling spacers at a classic 45 degree orientation. Analysis of the failures included a long term program of measur­ ing actual online coupling stresses, identifying the source of the infrequent subsynchronous torsional oscillations, a finite element analysis of the coupling, and a fracture mechanics analysis which.

We studied the dependence of exchange coupling on cooling-field strength in an exchange-biased spin valve with a synthetic antiferromagnetic layer by experiment and theory.

Our theory calculates magnetic anisotropy energies in each magnetic layer composing the spin valve during the field-cooling process, finds the minimum state of total energy, and explains how the magnetizations in the layers Cited by: 8. Coupling coefficient, or coupling factor, may refer to: Electromechanical coupling coefficient; Coupling coefficient (inductors) This disambiguation page lists articles associated with the title Coupling coefficient.

If an internal link led you here, you may wish to change the link to. Coupling is a measure of the relationship (i.e., dependency) between two modules.

Coupling measures the likelihood of a change or fault in one module affecting another module. Designing Loosely Coupled Modules There are different types of interfaces that can be used to communicate between modules.

Coupling between modules can be achieved by Author: Craig Borysowich. A Comprehensive Cause Analysis Of A Coupling Failure Induced By Torsional Oscillations In A Variable Speed Motor.

Texas A&M University. Turbomachinery Laboratories. Available electronically from http: / / / /Cited by: 3. Network-induced multistability: Lossy coupling and exotic solitary states Frank Hellmann,1, ∗Paul Schultz,1 Patrycja Jaros,2 Roman Levchenko,3 Tomasz Kapitaniak,2 Jurgen¨ Kurths,1,4,5 and Yuri Maistrenko1,6 1Potsdam Institute for Climate Impact Research (PIK), Member of the Leibniz Association, P.O.

Box 60 12 03, D Potsdam, GermanyCited by: 1. In wireless energy transfer systems, the energy is transferred from a power source to an electrical load without the need of physical connections.

In this scope, inductive links have been widely studied as a way of implementing these systems. Although high efficiency can be achieved when the system is operating in a static state, it can drastically decrease if changes in the relative position Cited by: CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): the angle dependence of the wavenumber.

This dependence a!ects the energy distribution-Present address: LMS International, Interleuvenlaar, 68, B Leuven, Belgium. over all directions in a reverberant "eld, as well as the direction of the energy #ow associated with wave propagation.

where β is the loss factor of th e rubber. For the experimentally tested coupling (D ex = m), the parameters are: a laminate with rubber layers 2 mm in thickness; ψ = ; k sh = x N/m; T = N-m; e = m; thus η = 1 - ( x x x )/π = 1 - x =or the losses at full torque are reduced.

A useful starting point is to examine qualitatively how a relation between internal loss factor and coupling loss factor can affect the energy distribution in a two!subsystem structure[ This can be done by analogy with heat transfer between two coupled thermal bodies "see Figure 0#[ The heat ~ow from one body to another is proportional to their.

Measurement of coupling loss factors by matrix fitting 49 clear that the constants Si~ are all non-negative (some may well be zero, of course, since some pairs of subsystems will have no direct coupling).

The third assumption is that the driving forces on the different subsystems are. Design and Simulation of a Low Loss Optical Fiber Coupler P1 = Po cos 2 (CZ) (7) P2 = Po sin 2 (CZ) (8) Where Po is the power launched in core 1 at Z=0, and C is the coupling coefficient or the two coupled modes under consideration and the coupling Size: KB.

Coupling loss factor is one of the most important parameters used in the statistical energy analysis (SEA). It regulates the energy flows between two subsystems. Theoretically, the coupling loss factors are usually calculated from the wave transmission coefficients Author: Hongan Xu, Wen L.

based projects. So, in the past two decades the coupling behaviors and coupling efficiency have been investigated and some special methods are developed such as the prism coupling and the grating-assistant coupling [1]. Consequently, for the large -size silica-waveguides, the fiber-waveguide butt coupling loss has improved an extremely low Size: KB.

Sign of Coupling Constants Spin-Spin Splitting: J-Coupling Coupling constants can be either positive or negative, defined as follows: coupling constants are positive if the energy of A is lower when X has the opposite spin as A (αβ or βα), and negative if the energy of A is lower when X has the same spin as A ( File Size: KB.

Tracking the causes of coupling failure Explore coupling maintenance and the telltale signs of failure to maximize coupling life and ensure reliable system operations. By Bob Boyle. Shaft couplings are critical parts of any power transmission system, providing the smooth transfer of power from one component to another.

As with any. Coupler Theoretical Main-Line Loss Calculation (AN) 1. Introduction. The main-line loss of a coupler is defined as the loss between the input and output ports. Theoretical loss is defined as that of a perfect (lossless) coupler, for which the input power is the sum of the (main-line) output power and the power at the coupled port.

Other explored effects include size dependence, chemical effects (methanol exposure), and interface effects (e.g., at a gold--nanowire junction). The findings suggest that the previously reported size dependence in ZnTe was extrinsic in nature.

Tunable coupling strengths also suggest the possibility of novel electronic and optoelectronic devices. Strong coupling between surface plasmon polaritons and emitters Recently, strong coupling of surface plasmon polaritons with emitters has become an active topic of research.

Surface plasmon polaritons (SPP) are hybrid modes involving electron oscillations in a metal in conjunction with an oscillating light field on the metal surface (more Cited by: Coupling Loss Factor from subsystems modal information.

By using Dual Modal Formulation and an appropriate subsystem mode definition, the expression which has be obtained (see (68) of part I) permits to determine CLF only from the knowledge of the modes of Cited by: Q(a)Spin-spin splitting and factors influencing coupling constant [adsensex] Ans (a)Spin-spin splitting: In the simplest case we expect to see a single peak for each type of proton in a molecule.

But consider what happens if a proton that we are looking at (HA) is near another non-equivalent proton (HB). In half of the molecules the HA proton will be.