叶轮机流场动态测量用平行多通道高速数据采集处理系统BHD 200-Ⅱ
A PARALLEL MULTI-CHANNEL HIGH-SPEED DATA ACQUISITION SYSTEM BHD 200-Ⅱ FOR DYNAMIC MEASUREMENT IN TURBOMACHINE
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摘要: 本文介绍的平行多通道高速数据采集处理系统 BHD2 0 0 - 是北航新近建成的低速大尺寸压气机实验和测量系统的一部分,它的总数据吞吐能力达到了 80 0 k Hz,能够平行地采集多达 16个通道的信号,满足压气机动态气流测量的要求。本文介绍了 BHD2 0 0 - 的系统结构与原理,系统的功能与操作,给出了两个应用实例。Abstract: A parallel multi channel high speed data acquisition system has been designed for dynamic flow measuremaent in turbomachine.With the swallowing and spitting capacity of 800 kc/s in all,the system can parallelly sample and process 16 channel signals.The structure,principles of operation,function and operation of the system are described in detail and two typical application examples are given.
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