![]() ![]() Epp agrees with DOSXYZnrc in dose calculation, sinceĮPP Energy Efficiency Calculation and Influencing Factor Analysis: Cases in Chinaįull Text Available Efficiency power plant ( EPP promotes the use of energy efficiency power plant technology and energy efficient equipment, coupled with its low-input, zero pollution, zero emissions, and other advantages, having an important role in the control of energy consumption and energy saving. There is no inherent computational time saving arising from Epp, except for those arising from egspp's ability to use analytical representations of simulation geometries. Conclusions: Epp provides the user with useful features, including the ability to build complex geometries from simpler ones and the ability to generate images of scattered and primary photons. The results of the Kawrakow-Fippel test suggest good agreement between Epp and DOSXYZnrc. Results: The results of the imaging simulations with Epp using voxelized and analytical descriptions of the water cylinder agree within 1%. The authors also simulate dose scoring in the voxelized version of the phantom in both Epp and DOSXYZnrc and examine the accuracy of Epp using the Kawrakow-Fippel test. The simulation generates projection images of primary and scattered photons at a user-defined imaging plane. To demonstrate the imaging features of Epp, the authors simulate 38 keV x rays from a point source propagating through a water cylinder 12 cm in diameter, using both analytical and voxelized representations of the cylinder. ![]() Epp input files can be nested, allowing for the construction of complex simulation geometries from more basic components. Projection images of primary, single Rayleigh scattered, single Compton scattered, and multiple scattered photons may be generated. Methods: Epp's features include calculation of dose deposited in a voxelized phantom and photon propagation to a user-defined imaging plane. While direct use of egspp requires knowledge of C++, Epp requires no programming experience. The authors developed Epp to facilitate the simulation of x-ray imaging geometries, especially in the case of scatter studies. A main feature of egspp (and Epp) is the ability to use analytical objects to construct simulation geometries. #Kakasoft usb security 1.70 codePurpose: Easy particle propagation ( Epp) is a user code for the EGSnrc code package based on the C++ class library egspp. International Nuclear Information System (INIS) The construction of progressive IRP models for power resources considering EPP has a certain reference value for guiding the planning and layout of EPP within other power resources and achieving cost and environmental objectives.Įpp: A C++ EGSnrc user code for x-ray imaging and scattering simulations The planning model including EPP has obvious advantages considering pollutant and carbon emission constraints, which confirms the advantages of low cost and emissions of EPP. Results of three models by the same example show that the best solutions to different models are different. In order to highlight the characteristics of different supply and demand resources in economic, environmental, and carbon constraints, three planning models with progressive constraints are constructed. Progressive IRP Models for Power Resources Including EPPĭirectory of Open Access Journals (Sweden)įull Text Available In the view of optimizing regional power supply and demand, the paper makes effective planning scheduling of supply and demand side resources including energy efficiency power plant ( EPP, to achieve the target of benefit, cost, and environmental constraints. ![]() Tartu : Petrone Print, 2007 Petrone, Epp Reintam, Dagmar. Minu Ameerika : reportaaže ja pihtimusi 2003-2006. ![]()
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