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Một máy bơm ly tâm là gì? Nó như thế nào?
Ở máy bơm ly tâm, như với tất cả turbomachines, là một yếu tố chính được gọi là bánh công tác quay một vận tốc góc quanh trục cố định. Các hình thức đơn giản nhất của cánh ly tâm thu được bằng trực thuộc Trung ương (hình tròn) cánh giữa hai đĩa song song. Ngoài ra, một trong các đĩa dày lên xung quanh các trục và kết nối đến một dặm. Như đã nêu trong hình dưới đây, một hạt chất lỏng bên trong các bánh công tác quay quanh trục quay với tốc độ U = rωwith bánh xe, trong khi mặt khác,nó di chuyển theo các bánh xe với tốc độ W và lá. U được tên của vận tốc tương đốicủa môi trường vận tốc, W.
Khi bánh công tác chứa đầy chất lỏng bắt đầu quay quanh trục, nó bắt đầu xuất hiện từ bề mặt chất lỏng B dưới ảnh hưởng của lực lượng ly tâm. Vì vậy, các chất lỏnghấp thụ từ bề mặt của E in ra bề mặt B.
Dòng chảy được thấy bởi người quan sát quay các bánh xe sẽ khác với dòng chảy của các quan sát viên trong môi trường bất động. Vận tốc của một hạt chuyển độngtrong dòng chảy, theo một quan sát viên cố định trong môi trường bất động, có vận tốc tuyệt đối, tốc độ tương đối tốc độ bánh xe nhìn thấy tại thời điểm mà một người quan sát quay với bánh xe.
Tốc độ tuyệt đối là tổng véctơ của C, W, và bạn tăng tốc độ. Với cường độ và hướng của W và tốc độ của bạn, họ tạo thành một hình chữ nhật cạnh. Ngưỡng này tượng trưng cho vận tốc tuyệt đối của đường chéo hình chữ nhật. Các cạnh của hình chữ nhật cho biết vận tốc tương đối của W và tốc độ môi trường xung quanh của bạn, tùy thuộc vào cường độ và hướng của bạo lực. Vì vậy, tốc độ ba tạo thành một hình tam giác. Trong tính toán, một số lượng vô hạn của rất mỏng cánh đang hoạt độngtrên những suy nghĩ. Trong trường hợp này, nó là chấp nhận được sợi dòng chảy đã được giám sát đầy đủ và rằng thức ăn là một chiều. Trong trường hợp không tác động đầu vào, đầu cánh là tiếp tuyến đến vận tốc tương đối của đầu vào. Với các biểu hiện khác, tỷ lệ W1, mà làm cho một góc β1 với buồng tiêu thụ của các máy bơm, làtrong cùng một hướng như hồ sơ cánh. Tương tự như vậy, tốc độ W2, mà làm chomột góc độ β2 với kết thúc của lối ra cánh, là trong cùng một hướng. Sự hướng dẫncủa các đầu vào phụ thuộc vào sự hướng dẫn của các phần tử cánh đầu tiên trongmục và định hướng của tốc độ của mục nhập khi mục được yêu cầu để được thực hiện mà không có sự biến dạng và do đó ngăn chặn thiệt hại. Trong máy bơm, các lưỡi kết thúc dưới góc độ β2 W2 tốc độ tương đối.
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English
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български
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hrvatski
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čeština
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dansk
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Nederlands
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français
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Ελληνικά
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हिंदी
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Indonesia
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italiano
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norsk
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Polskie
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Português
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românesc
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русский
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slovenský
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español
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Український
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Melayu
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svenska
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ไทย
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Magyar
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việt
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Suomalainen
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