排序方式: 共有27条查询结果,搜索用时 31 毫秒
1.
2.
陈淑芳 《兰州工业高等专科学校学报》2009,16(4):35-38
提出一种采用滑频技术的宽兼容、无需调试的电子镇流器.介绍了电路结构与工作原理,对工作原理进行了详细分析,给出了电路设计参数和设计方法.简要说明了在设计制作过程中的难点问题,并阐明对节约资源、保护环境方面的意义.实验验证了设计是可行的. 相似文献
3.
使用ADAMS建立含旋转副配合间隙的某型挂弹钩传动机构的多体动力学模型,对旋转副不同间隙值的情况进行动力学仿真分析,在得出不同间隙后,得出传动机构旋转副接触碰撞力的变化规律及对传动机构工作性能的影响,最终给出传动机构旋转副配合间隙的建议. 相似文献
4.
5.
准确评估导弹发射后对发射箱内壁损坏程度,以及对发射装置的维护保养,都需要对发射装置内壁进行检查。而这些工作很多都无法靠人员直接观察,必须利用无损探伤方法对其进行测量。本文在共振式和脉冲反射式两种方式对超声测厚原理进行分析和理解的基础上,设计了超声测厚的硬件电路、并对超声测厚算法进行仿真。深入开展对超声测厚技术领域的研究可以对导弹发射后对发射箱内部破损情况的检验具有重大的实用价值。 相似文献
6.
针对目前地铁地下车站照明设计存在的问题 ,从照明配电、参数计算、系统优化、灯具选择等方面提出了优化设计建议 ,并在实际设计中应用 ,取得了很好的设计效果。 相似文献
7.
徐颖秦 《武汉理工大学学报》2001,23(5):44-46
在分析了传统电网存在不足的基础上,详细地介绍了应用计算机技术实现电网自动化监测的方法,内容包括:软、硬件系统设计,数据采集及元件接线,数据处理等,该项研究成果已在澄合电网成功应用,取得了很好的社会经济效益。 相似文献
8.
9.
10.
P.P. Groudev A.E. Stefanova R.V. Gencheva M.P. Pavlova 《Nuclear Engineering and Design》2005,235(8):925-936
This paper provides a comparison between the PSB test facility experimental results obtained during the simulation of loss of feed water transient (LOFW) and the calculation results received by INRNE computer model of the same test facility. Integral thermal-hydraulic PSB-VVER test facility located at Electrogorsk Research and Engineering Center on NPPs Safety (EREC) was put in operation in 1998. The structure of the test facility allows experimental studies under steady state, transient and accident conditions.RELAP5/MOD3.2 computer code has been used to simulate the loss of feed water transient in a PSB-VVER model. This model was developed at the Institute for Nuclear Research and Nuclear Energy for simulation of loss of feed water transient.The objective of the experiment “loss of feed water”, which has been performed at PSB-VVER test facility is simulation of Kozloduy NPP LOFW transient. One of the main requirements to the experiment scenario has been to reproduce all main events and phenomena that occurred in Kozloduy NPP during the LOFW transient. Analyzing the PSB-VVER test with a RELAP5/MOD3.2 computer code as a standard problem allows investigating the phenomena included in the VVER code validation matrix as “integral system effects” and ”natural circulation“. For assessment of the RELAP5 capability to predict the “Integral system effect” phenomenon the following RELAP5 quantities are compared with external trends: the primary pressure and the hot and cold leg temperatures. In order to assess the RELAP5 capability to predict the “Natural circulation” phenomenon the hot and cold leg temperatures behavior have been investigated.This report was possible through the participation of leading specialists from Kozloduy NPP and with the support of Argonne National Laboratory (ANL), under the International Nuclear Safety Program (INSP) of the United States Department of Energy. 相似文献