... devices, micro heat exchangers, micro valves and pumps, and lab-on-chips, more studies have been Heat Transfer - Theoretical Analysis, Experimental Investigations and Industrial Systems 104 ... the material. lR and wR are the length and the width of the resistor, respectively. Heat Transfer - Theoretical Analysis, Experimental Investigations and Industrial Systems 80 dedicated ... Microchannels, Heat Transfer Engineering, Volume 25, No. 3. , (mars 2004) 23 – 30 , ISSN 0145-7 632 print / 1521-0 537 online Colin S. (2006). Single-phase gas flow in microchannels, In: Heat transfer and...