CUST-4 Test Readiness Report - Bubble Point Screen Elements

Kurzfassung

The development of Propellant Management Devices (PMD) also includes guaranteeing the functionality of the corresponding subcomponents such as meshes, sieves and screens. A major functional aspect of the screens applied in the PMD device is to retain a certain bubble point. Therefore, experiments are foreseen at DLR Bremen to test the bubble point with different liquids (IPA and LN2). The provided screens by EADS Astrium consist of plane and cylindrical pleated 165 x 800 twilled dutch meshes, manufactured by Seebach GmbH. The objectives of testing include the estimation of the LN2 bubble point pressures. Pre-testing with IPA shall be done for comparison issue.