The present investigation deals with study of thermoelastic damping and frequency shift of Kirchhoff plate resonators by using generalized thermoelasticity theory of dual-phase-lag model. The basic equations of motion and heat conduction equation are written with the help of Kirchhoff-Love plate theory and dual phase lag model. The analytical expressions for thermoelastic damping and frequency ...

• Effect of composition on the polarisation resistance BCO/CGO electrodes. 50 vol% CGO-50 BCO shows lowest resistance. The improvement relies an increased triple-phase boundary (TPB) length. Solid oxide electrochemical cells are promising devices for energy conversion and chemical synthesis. In this respect, one main challenges to improving cell performance is decrease in ( R p ) oxygen Here, p...

The 3D Focused Ion Beam - Scanning Electron Microscopy (FIB-SEM) technique has been used to study the ceramic microstructures with accuracy of tens nanometers. Samples taken from commercial size, 10×10 cm 2 , solid oxide fuel cell (SOFC) single cells were reconstructed FIB-SEM tomography. Three samples chosen same production batch, including a without reduction, 5 hours and 80 high temperature ...

We present a molecular dynamics simulation study of the migration of individual grain boundary triple junctions. The simulation cell was designed to achieve steady state migration. Observations of the triple junction angle and grain boundary profiles confirm that steady state was achieved. The static, equilibrium grain boundary triple junction angles and the dynamic triple junction angles were ...

background applying an appropriate method of analgesia in labor without alteration in its progression is of high importance. previous literature did not provide much information about the effect of various kinds of anesthesia on the duration of active phase of labor. objectives to assess the effect of painless labor methods on the duration of active phase of labor. patients and methods 80 pregn...