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In order to explore the feasibility of the natural smoke extraction of the undivided large space warehouse buildings, the paper analyzes the characteristics, factors and feasibility of natural smoke extraction of the undivided large space warehouse buildings which have been fire damaged, based on the idea of performance-based fire protection design. FDS software is used for fire hazard analysis of...
The advantages of GaN based light-emitting diodes (LEDs) with strain-compensated p-AlGaN/InGaN superlattice (SL) last quantum barrier (LQB) are investigated numerically. The simulation results indicate that the output power and internal quantum efficiency have been improved significantly by replacing the last barrier of the conventional u-GaN and p-GaN with p-AlGaN/InGaN SL. These improvements are...
A RSM model was presented for the time-independent viscous incompressible flow around a pair of rotationally oscillating combination plates. To investigate the aerodynamic characteristics of the combination plates and the characteristics of wake flow, several numerical schemes have been tested with different amplitudes and frequencies. Based on the comparison of the flow characteristics for two parallel...
Pseudospark discharges are sources of intense electron beams. Reported in this paper are theoretical studies of the pseudospark discharges. We have developed a theoretical and computational model to study the initiation phase of pseudospark discharges via PIC-MCC method. From the numerical results,we have identified a sequence of physical events. In spite of the approximation in this model, the picture...
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