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lec3 - S.I Units Seven basic units meter kilogram second...

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S.I. Units ± Seven basic units ± Derived units meter radian kilogram steradian second Newton ampere Pascal Kelvin Joule mole Watt candela lumen lux
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Heat transfer ± Heat transfer modes due to °T difference Conduction ­ conductivity λ [W/(m K)] ­ U-value [W/(m 2 K) ] ­ resistance R [m 2 K/W ] ­ surface film: α ext 23 W/m 2 K i.e. R se 0,04 m 2 K/W α int 8 W/m 2 K i.e. R si 0,13 m 2 K/W CONDUCTOR HEAT SOURCE HEAT SINK Image by MIT OCW .
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