Ulvestad, Asbjørn
Andersen, Hanne Flåten
Mæhlen, Jan Petter
Prytz, Øystein
Kirkengen, Martin
Article History
Received: 30 June 2017
Accepted: 27 September 2017
First Online: 17 October 2017
Competing Interests
: The authors declare that they have no competing interests. Institute for Energy Technology (IFE), the host institution of A.U., H.F.A., J.P.M. and M.K., has filed a patent application which includes claims related to this work. IFE is a non-profit research foundation and the authors have no personal financial interest in this patent; nevertheless, this might be construed as a competing financial interest.