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["Säif阀", "Gottinnen, Sdetzt阀当量长度如何计算比较比较合适?", "Die Frage ist zu professionell, es wäre besser, einfacher zu erklären. Zum Beispiel die Funktion eines Sdgest阀以及需要满足的标准或期望达到的目的等。 供参考。", "EsDie Frage ist nicht zu professionion, sondern unvollständig... Es gibt noch viele unbewusste Gröen... Ich verstehe es nicht!" "Dies本帖最后由 yourp 于 于22 2-8- " 14:41 编辑 Sdgest阀和截止阀的结构有点相似" "可以参考截止阀的当量长度" "但是当量长度与公称尺寸有关" "所以只能给你给你阻力系数K" "全全开为6.4" "半开为K.5" "这是湍流的情况下" "层流时雷诺诺数RE为 n1时K为 n" "RE为5 "时K为 n4" "RE为K "时K为K99 "非常感谢大神" "我好好研究研究"]

2020-08-18View Original

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大神们,柱塞阀当量长度按多少计算比较合适?
Reply #22020-08-18
题目太专业,最好通俗些的好。比如柱塞阀作用,及所需要的标准或想要达到的目的等。供参考。
Reply #32020-08-18
不是太专业,而是问题不完整.....还有很多未知量,不懂!
Reply #42020-08-19
本帖最后由 yourp 于 2020-8-19 16:41 编辑 柱塞阀与截止阀的结构有点像,可以参照截止阀的当量长度,但当量长度是跟公称尺寸等有关,所以只能给你阻力系数K,全开为6.4,半开为9.5.这是湍流的情况下。层流时雷诺数RE为1000时K为12,RE为500时K为14,RE为100时K为19.
Reply #52020-08-21
谢谢大神,我好好再研究研究

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