@article{Poskas_2006 author = {Robertas Poskas and Povilas Poskas and Jokubas Kolesnikovas}, title = {Opposing Flow Turbulent Mixed-Convection Heat Transfer in a Vertical Flat Channel with One-Sided Heating}, journal = {Heat Transfer Research}, issn = {1064-2285}, year = {2006}, volume = {37}, number = {1}, pages = {21--34} }