ÈÄÁø½Ã Ãß·ÂÀÌ ÀÛÀ¸¹Ç·Î ÈÄÁøÀ϶§ 1ÅæÀ» ³¾¼öÀÖ´Â ¾Ð·ÂÀº
P = W / A = 4*W/(3.14 * (D^2-d^2)) = 4 * 1000 Kg / (3.14 * (8^2-4^2)) = 26.5 Kg/Cm^2
ÀüÁø½Ã ¼Óµµ V1 = 400 / 4 = 100 mm/sec = 600 Cm/min ÀÌ°í À̶§ À¯·® Q1 = A * V = 3.14 * 8^2 / 4 * 600 = 30.2 L/min
ÈÄÁø½Ã ¼Óµµ V2 = 400 / 3 = 133 mm/sec = 800 Cm/min ÀÌ°í Q2 = 3.14 * (8^2-4^2) / 4 * 800 = 30.2 L/min
µû¶ó¼ ¸ðÅÍ µ¿·ÂÀº Kw = (¾Ð·Â x À¯·®) / (612 x È¿À²) = (26.5 x 30.2 ) / (612 x 0.8) = 1.63 Kw
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