Volcanic ash vs. sand and dust – “to stick or not to stick” in jet engines

Wenjia Song1, Yan Lavallée2, Kai-Uwe Hess3, Ulrich Kueppers4, Corrado Cimarelli5 and Donald B Dingwell5, (1)Ludwig Maximilian University of Munich, Munich, Germany, (2)University of Liverpool, Liverpool, United Kingdom, (3)Ludwig-Maximilians-Universität, Department of Earth and Environmental Sciences, Munich, Germany, (4)Ludwig Maximilians University of Munich, Munich, Germany, (5)Ludwig Maximilians University of Munich, Department of Earth and Environmental Sciences, Munich, Germany