Engineering, 14.08.2021 07:10 gray69
Cho ống lồng ống làm bằng kim loại, ống trong có d1/d2 = 34/40, dài 2,5 m. Nhiệt độ dòng
nóng 110oC, nhiệt độ trung bình dòng lạnh 80oC, mật độ dòng nhiệt qua tường là 14780 W/m.
a. Tính hệ số truyền nhiệt dài.
b. Tính tổng nhiệt lượng truyền qua trên tòan bộ ống.
Answers: 2
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Cho ống lồng ống làm bằng kim loại, ống trong có d1/d2 = 34/40, dài 2,5 m. Nhiệt độ dòng
nóng 110oC...
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