净正向抽取头计算器
OSUSH(Net阳性抽取头)指抽水系统流水供应INPSHR为泵在一定操作点需要流水量OSH可用量(NPSHA)是一个系统向泵输送流水量即浮泵比可用泵多流水量,流水开始分解并损耗泵PHS计算器设计用于计算从系统可获取性填下字段并按“计算”查看结果
注释:在计算SAPHA反转泵时,本计算器不包括加速头计算脉冲流回升泵将影响下文计算额外差值应载入计算中,并安装适当脉冲控制设备安装在泵抽取端上。
USH计算器结果
解释:计算源压++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++结果等同系统SAPHA(或净正向抽头可用性)。净正抽查头泵称JPSHR,必须优于系统SAPSHA,否则泵会起泡
注释 :雷竞技app最新下载v1电区设备推荐安全因子至少为150%雷竞技app最新下载v1需要更详细COSS计算时,联系电区设备工程组请求进一步帮助
重要注解 :计算OSH反转泵时,不忽略加速头脉冲反压设备滑动泵截面将导致严重振荡,即使上表结果显示系统JOSHA超出泵JOSHR