نتایج جستجو برای: electromagnetic launcher
تعداد نتایج: 77021 فیلتر نتایج به سال:
This paper presents a 3D model for the determination of the temperature field in an electromagnetic launcher. The large amounts of energy that are dissipated into the structure of an electromagnetic launcher during short periods of time lead to a complicated thermal management situation. Effective thermal management strategies are necessary in order to maintain temperatures under acceptable lim...
The electromagnetic launcher is currently being explored as an alternative to propellant gun systems to satisfy the ordnance requirements of future military systems. Recent improvements in component technologies have increased the plausibility of making the electromagnetic launcher a practical alternative to chemically driven guns. The U.S. Army Armament Research, Development, and Engineering C...
A new technique has been developed for determining the time dependence of the inductance and resistance gradients of electromagnetic launchers. These are fundamental parameters when estimating launcher performance. The method is based on our analysis that shows how a transmission line model describes the relationship between the voltage gradient along the launcher rails and the rate of change o...
For the design of three-stage electromagnetic coilgun, many parameters and their relations must be considered at the same time. However, there is no complete mathematical model to describe the relationship between these parameters and energy conversion efficiency of the coil launcher system. In this paper, using orthogonal test approach we consider the influence of 11 parameters to improve the ...
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