| Axial development of annular, churn and slug flows in a long vertical tube PJ Waltrich, G Falcone, JR Barbosa Jr International journal of multiphase flow 57, 38-48, 2013 | 85 | 2013 |
| A study of the air-side heat transfer and pressure drop characteristics of tube-fin ‘no-frost’evaporators JR Barbosa Jr, C Melo, CJL Hermes, PJ Waltrich Applied Energy 86 (9), 1484-1491, 2009 | 74 | 2009 |
| Verificação de soluções numéricas unidimensionais em dinâmica dos fluidos CH Marchi Florianópolis, SC, 2001 | 62* | 2001 |
| Experimental investigation on the prediction of liquid loading initiation in gas wells using a long vertical tube PJ Waltrich, C Posada, J Martinez, G Falcone, JR Barbosa Jr Journal of Natural Gas Science and Engineering 26, 1515-1529, 2015 | 39 | 2015 |
| A simplified model for churn and annular flow regimes in small-and large-diameter pipes E Pagan, WC Williams, S Kam, PJ Waltrich Chemical Engineering Science 162, 309-321, 2017 | 33 | 2017 |
| Modeling transient churn-annular flows in a long vertical tube MVC Alves, PJ Waltrich, TR Gessner, G Falcone, JR Barbosa Jr International Journal of Multiphase Flow 89, 399-412, 2017 | 30 | 2017 |
| Air-side heat transfer and pressure drop characteristics of accelerated flow evaporators PJ Waltrich, JR Barbosa Jr, CJL Hermes, C Melo International journal of refrigeration 34 (2), 484-497, 2011 | 29 | 2011 |
| Onset and subsequent transient phenomena of liquid loading in gas wells: experimental investigation using a large scale flow loop PJ Waltrich Texas A&M University, 2012 | 28 | 2012 |
| Liquid transport during gas flow transients applied to liquid loading in long vertical pipes PJ Waltrich, G Falcone, JR Barbosa Jr Experimental Thermal and Fluid Science 68, 652-662, 2015 | 26 | 2015 |
| An experimental investigation on flow pattern map and drift-flux model for co-current upward liquid-gas two-phase flow in narrow annuli R Guo, Y Chen, PJ Waltrich, WC Williams Journal of Natural Gas Science and Engineering 51, 65-72, 2018 | 24 | 2018 |
| COP-based optimization of accelerated flow evaporators for household refrigeration applications PJ Waltrich, JR Barbosa Jr, CJL Hermes Applied thermal engineering 31 (1), 129-135, 2011 | 23 | 2011 |
| A simplified model to predict transient liquid loading in gas wells EV Pagan, PJ Waltrich Journal of Natural Gas Science and Engineering 35, 372-381, 2016 | 20 | 2016 |
| Experimental Evaluation of Wellbore Flow Models Applied to Worst-Case-Discharge Calculations for Oil Wells PJ Waltrich, MS Capovilla, W Lee, PC De Sousa, M Zulqarnain, R Hughes, ... SPE Drilling & Completion 34 (03), 315-333, 2019 | 15* | 2019 |
| The case for liquid-assisted gas lift unloading RP Coutinho, WC Williams, PJ Waltrich, P Mehdizadeh, S Scott, J Xu, ... SPE Production & Operations 33 (01), 73-84, 2018 | 15 | 2018 |
| Performance evaluation of multiphase flow models applied to virtual flow metering K Mokhtari, PJ Waltrich WIT Transactions on Engineering Sciences 105, 99-111, 2016 | 15 | 2016 |
| Evaluation of software-based early leak-warning system in Gulf of Mexico subsea flowlines CJ Thiberville, Y Wang, P Waltrich, WC Williams, SI Kam SPE Production & Operations 33 (04), 802-828, 2018 | 13 | 2018 |
| Similarities and differences in churn and annular flow regimes in steady-state and oscillatory flows in a long vertical tube C Posada, PJ Waltrich Experimental Thermal and Fluid Science 93, 272-284, 2018 | 13 | 2018 |
| A model for liquid-assisted gas-lift unloading R Coutinho, W Williams, P Waltrich, P Mehdizadeh, S Scott BHR International Conference on Multiphase Production Technology, BHR-2017-345, 2017 | 13 | 2017 |
| Performance of vertical transient two-phase flow models applied to liquid loading in gas wells PJ Waltrich, G Falcone, JR Barbosa SPE Annual Technical Conference and Exhibition?, SPE-147128-MS, 2011 | 13 | 2011 |
| Experimental investigation of upward vertical two-phase high-velocity flows in large-diameter pipes MS Capovilla, RP Coutinho, PC de Sousa, PJ Waltrich Experimental Thermal and Fluid Science 102, 493-505, 2019 | 12 | 2019 |
