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["대家都知道帮忙看一下喘振线曲线

2017-07-17View Original

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http://down.hcbbs.com/attachment/forum/3/113/15455ds28ps6do2777tdn.jpg 如上上,纵坐标为出口压力和入口压力比,横坐标HC는 무엇인가?查查了很多资料。有说流量的百分比。也有说入口压差和入口压力的比值,即这两个哪个说法是对的?
Reply #22017-07-17
压比定义是:出口绝压比入口绝压。HC:head compensated for suctionsuctioning pressure (Hc%))操作点是由流量、压力、温度相关联的的函数公式计算的结果。
Reply #32017-07-17
和h是是一回事吗?看资料里介绍说横坐标一般为压差h或 h或 h这个HC是另外一种方式吗?
Reply #42017-07-18
不同的压缩机有不同的的防喘振控制方案,横纵坐标也可能会不同,横坐标代表流量的参数,有些直接用流量压差,有些是压差量程比等图中横坐标最大值是1不同估计是压差量程比。建议你对照压缩机厂家提供的性能曲线来判断。
Reply #52017-07-18
不同的压缩机有不同的的防喘振控制方案,横纵坐标也可能会不同,不是统一的。一般横坐标代表流量的参数,有些直接用流量压差,有些是压差量程比等等图中横坐标最大值是
Reply #62017-07-18
一般值入口喉部差压/入口压力~~即h/Ps~~
Reply #72017-07-18
横坐标么?那跟流量成正比?求指教
Reply #82017-07-18
是的~~和流量成正比~~喉部差压基本就是代表入口流量,Ps一般变化不大~~
Reply #92017-07-19
具体的你可以查找一下压缩机的随机资料,随机资料里面有详细的说明。有关HC的计算公式也有的。

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