Water hammer and condensation hammer scenarios in power plants using new measurement system

This contribution presents experimental results of the investigation of water hammer and cavitation hammer at the pipeline test facility at Fraunhofer UMSICHT in the context of the EURATOM project WAHALoads. The main objective of this running project is the prediction of the strain on equipment and support structures caused by water and condensation hammer. Thus, some typical scenarios of power plants are conducted. For this purpose the test facility at Fraunhofer UMSICHT (PPP) was modified in order to simulate a piping system and associated supports that are typical of a power plant.

For a better understanding of thermohydraulic processes, new wire mesh sensors with thermocouples for the measurement of condensation heat transfer, and other innovative transient measurement techniques were implemented into PPP additionally.