نتایج جستجو برای: radial and mesh distribution systems
تعداد نتایج: 17067882 فیلتر نتایج به سال:
Brachytherapy is one type of internal radiation therapy where radiation sources, which are usually encapsulated are placed as close as possible to the tumor site inside the patient's body. In this technique, it is important to determine dose distribution around the brachytherapy capsule. Hereby, in this paper, dosimetric parameters of I-125 brachytherapy source model 6711 are estimated accordin...
Peer-to-Peer Live streaming and Video on Demand is the most popular media applications over the Internet in recent years. These systems reduce the load on the server and provide a scalable content distribution. A new paradigm of P2P network collaborates to build large distributed video applications on existing networks .But, the problem of designing the system are at par with the P2P media stre...
a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...
In this work, thermo – elastic analysis for functionally graded thick – walled cylinder with temperature - dependent material properties at steady condition is carried out. The length of cylinder is infinite and loading is consist of internal hydrostatic pressure and temperature gradient. All of physical and mechanical properties expect the Poisson's ratio are considered as multiplied an expone...
Voltage and reactive power control have been widely employed to reduce power losses and satisfy the main distribution system operational constraints. In recent years, Distributed Generators connected to the distribution network have received increasing attention. The connection of enormous DGs into existing distribution network changes the operation of distribution systems and affect the daily ...
The performance of a square mesh panel (90 mm stretched mesh size) on reducing the catch of immature Psettodes erumei Bloch and Schneider, 1801 smaller than Lm50% value was tested in a small-scale shrimp-trawl fishery along Hormuzgan coasts in the The Persian Gulf. During shrimp season, 25 trawl hauls were carried out and a total of 371 P.erumei was caught in the codend and cover net. Length ra...
radiotherapy dose calculations can be evaluated by monte carlo (mc) simulations with acceptable accuracy for dose prediction in complicated treatment plans. in this work, standard, livermore and penelope electromagnetic (em) physics packages of geant4 application for tomographic emission (gate) 6.1 were compared versus monte carlo n-particle extended (mcnpx) 2.6 in simulation of 6 mv photon lin...
This paper reports on an efficient method of power flow analysis for solving balanced and unbalanced radial distribution systems. The radial distribution system is modelled as a series of interconnected single feeders. Using Kirchoff’s laws, a set of iterative power flow equations was developed to conduct the power flow studies. Due to the voltage dependency of loads in distribution systems, va...
-This paper presents work in progress and continues a project devoted to developing shape modeling system for surface generation and enhancement. A local mesh enhancement based on statistical characteristics of an initial triangle mesh is proposed for mesh simplification. Experimental results are included to demonstrate the functionality of our simplification algorithm. Key-Words: Mesh statisti...
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