Pumping Effect Due To Temperature Gradients Imposed in a Multistage Assembly Consisting of Long Tapered Orthogonal Channels - Lopez Quesada, Guillermo; Tatsios, Giorgios; Rojas Cardenas, Marcos; Baldas, Lucien; Barrot, Christine; Colin, Stéphane; Valougeorgis, Dimitris (5th European Conference on Microfluidics µFlu18 and 3rd European Conference on Non-Equilibrium Gas Flows NEGF18, 2018)