• Emptying of large-scale pipeline by pressurized airLaanearu, Janek; Annus, Ivar; Koppel, Tiit; Bergant, Anton; Vučkovic, Sašo; Hou, Qingzhi; Tijsseling, Arris S.; Anderson, Alexander; Westende, Jos M.C.van'tJournal of hydraulic engineering2012 / p. 1090-1100 : ill https://www.win.tue.nl/~atijssel/pdf_files/Laanearu-et-al_2012.pdf
• Semi-empirical method for estimation of energy losses in a large-scale pipelineLaanearu, Janek; Annus, Ivar; Sergejeva, Monika; Koppel, TiitProcedia engineering2014 / p. 969-977 : ill https://doi.org/10.1016/j.proeng.2014.02.108 https://www.scopus.com/sourceid/18700156717 https://www.scopus.com/record/display.uri?eid=2-s2.0-84899671137&origin=inward&txGid=3062ffda109904e856b88a56b1fe4c08 https://www.webofscience.com/wos/woscc/full-record/WOS:000341500600108
• Transient flow during filling of horizontal pipe containing waterLaanearu, Janek; Annus, Ivar; Raidmaa, Meelis; Koppel, TiitUrban Water Management: Challenges and Opportunities : proceedings of the 11th International Conference on Computing and Control for the Water Industry (CCWI 2011), University of Exeter, 5-7 September 20112011 / p. 913-918 : ill
• Transition to turbulence in accelerating pipe flowAnnus, Ivar; Koppel, TiitJournal of fluids engineering2011 / [7] p. : ill