Folder structure: - The folder named "Flow rate experiments" contains the flowrate experiments for the various geometries. - The folder named "Shut off experiments" contains the shut off experiements simulating bursts in the pneumatic system. - The folder "Raw data" contains the data from each test - The subfolder "Elaborated data" contains a .mat file with the average flow rate measured during 1s after the main outlet valve is opened. Flow rate experiments: File details: - Files are named according to the internal geometry of the flow channel and supply pressure level. - Each mat file contains the variables: - p1 = inlet pressure - p2 = outlet pressure - r = absolute ratio p2/p1 - Q = flow rate Units: - Pressures are measured in bar - Flowrates are measured in Nl/min Use "geometryCalc.m" to analyse the data. Shut off experiments: Raw data: File details: - Files are named according to the internal geometry of the flow channel, membrane thickness, supply pressure level and sample number. - Each csv file contains a header with the variable names - The variable v_code represnts the state of the valves in the pneumatic circuit. Each bit in v_code represents the state of one of the valves. Refer to the "plotting.m" file for more details. - Each test was conducted in the following way: 1 The main inlet valve is opened 2 After 150ms the control channel inlet valve is opened 3 After another 5s, the control channel inlet valve is closed and the outlet main outlet valve is opened 4 After a period of 3s, the control channel outlet valve is opened and the main inlet valve is closed to start the reset cycle 5 After 3 seconds both the control channel outlet valve and the main outlet valve are closed and the system is reset - Each csv file contains the following variables: - t = time - pset = reference pressure in the tank - pfb = feedback of the pressure in the tank read using a pressure sensor - p_mainIn = pressure measured at the inlet of the soft valve - p_mainOut = pressure measured at the outlet of the soft valve - p_ctrl = pressure in the control channel - flow = flowrate measured at the outlet of the soft valve - v_code = valve code variable Units: - Time is measured in s - Pressures are measured in bar - Flowrates are measured in Nl/min Elaborated data: - The .mat file contains the average flow rate measured during 1s after the main outlet valve is opened. - Use the "plotting_elab.m" file to visualise the data.