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The flow profiles was first derived by John R. Womersley (1907–1958) in his work with blood flow in arteries. [1] The cardiovascular system of chordate animals is a very good example where pulsatile flow is found, but pulsatile flow is also observed in engines and hydraulic systems, as a result of rotating mechanisms pumping the fluid.
It is a dimensionless expression of the pulsatile flow frequency in relation to viscous effects. It is named after John R. Womersley (1907–1958) for his work with blood flow in arteries. [1] The Womersley number is important in keeping dynamic similarity when scaling an experiment. An example of this is scaling up the vascular system for ...
Pages for logged out editors learn more. Contributions; Talk; Từ điển bách khoa toàn thư Việt Nam
Following the increasing of Internet usage in Vietnam, many online encyclopedias were published. The two largest online Vietnamese-language encyclopedias are Từ điển bách khoa toàn thư Việt Nam, a state encyclopedia, and Vietnamese Wikipedia, a project of the Wikimedia Foundation.
Francis Nguyễn Trọng Trí, penname Hàn Mặc Tử (September 22, 1912 – November 11, 1940), was a Vietnamese poet.He was the most celebrated Vietnamese Catholic literary figure during the colonial era.
Chữ khoa đẩu is a term claimed by the Vietnamese pseudohistorian Đỗ Văn Xuyền to be an ancient, pre-Sinitic script for the Vietnamese language. Đỗ Văn Xuyền's works supposedly shows the script have been in use during the Hồng Bàng period, and it is believed to have disappeared later during the Chinese domination of Vietnam .
Nguyễn Đình Chiểu was born in the southern province of Gia Định, the location of modern Saigon.He was of gentry parentage; his father was a native of Thừa Thiên–Huế, near Huế; but, during his service to the imperial government of Emperor Gia Long, he was posted south to serve under Lê Văn Duyệt, the governor of the south.
The đàn tứ (chữ Hán: 彈四) (tứ meaning "four" in Sino-Vietnamese, referring to the instrument's number of strings), also called đàn đoản (đoản meaning "short," referring to the instrument's neck) or đàn tứ tròn (tròn meaning "round"), is a traditional Vietnamese stringed musical instrument, this is short-necked, round-bodied lute derived from the Chinese yueqin, with ...