[ÀÚ¿¬°úÇÐ][ÀϹݹ°¸®] ¸¶Âû°è¼ö ÃøÁ¤[Measurement of Coefficients of Friction] - ¿µ¹®À¸·Î / Measurement of Coefficients of Friction 1)Objective and Motivation ¡ÝMeasure the static coefficient of friction and kinetic coefficient of friction in various methode and mass, then compare each others. ¡ÝFind the cause of the errors and discuss how they effected on data¡¦
¡¥ft( from textbook p 482 ) ¡ÅFriction factor=f=0.0045( from Fig. 14-1 ) Total Le for fittings & valves Le = Friction due to flow through pipe & all fittings ¡Å [ Step 4 ] EQ % valve sizing From Valve Performance Eq. ¡Å [ Step 5 ] Pump selection Total Head at normal flow rate, from the pump performance chart, Check : S
¡¥nternet [ ] ¸ñÂ÷ Friction Free Market The Emerging Role of Electronic Marketplaces on the Internet Conclusion Discussion [ ] Friction Free Market Friction free