Estimation of Cavitation Pit Distributions by Acoustic Emission

Autor: Jarmo Laakso, Jean-Pierre Franc, Markku Ylönen, Marc Fivel, Pentti Saarenrinne, Juha Miettinen

Publikováno v: Journal of Hydraulic Engineering
Journal of Hydraulic Engineering, American Society of Civil Engineers, 2020, 146 (2), pp.04019064. ⟨10.1061/(ASCE)HY.1943-7900.0001686⟩

International audience; Cavitation erosion in hydraulic machinery, such as in turbines and pumps, often leads to significant reduction of the service life of the affected components, with serious consequences for their maintenance costs and operation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d8825fb1ca0dd5b77989cbde1c4186e0
https://doi.org/10.1061/(asce)hy.1943-7900.0001686

Eutrophication histories of three contrasting lakes in a naturally nutrient-rich boreal watercourse

Autor: Tommi Kauppila, Juha Miettinen, Sami A. Jokinen, Mira Tammelin

Publikováno v: Journal of Paleolimnology. 61:165-183

The Iisalmi Route watercourse in central-eastern Finland contains a number of highly eutrophic lakes. Despite substantial impacts from anthropogenic activity, the region appears to be naturally eutrophic because of its geological setting. A passive c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df05c3c91d0b35a2be70af9e48998221
https://doi.org/10.1007/s10933-018-0051-y

Impact force excitation generated by an ISO tapping machine on wooden floors

Autor: Sami Pajunen, Jesse Lietzén, Mikko Kylliäinen, Juha Miettinen

Publikováno v: Applied Acoustics. 175:107821

Prediction of the impact sound insulation of wooden floors requires information of the excitation forces driving the structure. According to earlier research, it is evident, that the impact force generated by the ISO tapping machine on the wooden flo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bdac1c464c147e473d1fe1ee6930c9e
https://doi.org/10.1016/j.apacoust.2020.107821

Modelling of seep through of humidity to electric connector with stochastic processes

Autor: J Hietala, I Nieminen, P Julkunen, Juha Miettinen, P Ojala

Publikováno v: Safety and Reliability – Theory and Applications.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a1d8ff4301db5110b1c99b18a68b737c
https://doi.org/10.1201/9781315210469-384

Analysis of the stress raising action of flaws in laser clad deposits

Autor: T. Peltola, Zuheir Barsoum, Petri Vuoristo, Alexander Kaplan, Minhaj M Alam, Juha Miettinen, J. Poutala, J. Junkala, Jonne Näkki, Jari Tuominen

Publikováno v: Materials & Design (1980-2015). 46:328-337

Fatigue cracking of laser clad cylindrical and square section bars depends upon a variety of factors. This paper presents Finite Element Analysis (FEA) of the different macro stress fields generate ...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::684c99b14ae64df6a8bdcaf384d63826
https://doi.org/10.1016/j.matdes.2012.10.010