Heat Transfer Engineering Heat Transfer Engineering, Vol.27, No.4 Entire volume, number list ISSN: 0145-7632 (Print) In this Issue (10 articles) 1 - 2 Selected papers from the Third International Conference on Microchannels and MinichannelsKandlikar SG 3 - 12 Challenges in modeling gas-phase flow in microchannels: From slip to transitionBarber RW, Emerson DR 13 - 29 Gas and liquid transport at the microscaleGad-El-Hak M 30 - 40 The scaling effect on the thermal processes at mini/microscaleLiang XG, Guo ZY 41 - 52 Development of an experimental facility for investigating single-phase liquid flow in microchannelsSteinke ME, Kandlikar SG, Magerlein JH, Colgan EG, Raisanen AD 53 - 63 Two-phase microfluidics for semiconductor circuits and fuel cellsHidrovo CH, Kramer TA, Wang EN, Vigneron E, Steinbrenner JE, Koo JM, Wang FM, Fogg DW, Flynn RD, Lee ES, Cheng CH, Kenny TW, Eaton JK, Goodson KE 64 - 73 Scaling effects for liquid flows in microchannelsMorini GL 74 - 87 Update on condensation heat transfer and pressure drop inside minichannelsCavallini A, Doretti L, Matkovic M, Rossetto L 88 - 98 Plate heat exchangers: Calculation methods for single-and two-phase flowPalm B, Claesson J 99 - 109 An experimental investigation into the effect of surfactants on air-water two-phase flow in minichannelsEnglish NJ, Kandlikar SG