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Determining risk potential through accidents and near-accidents: an empirical study in a steel factory
(Lappeenraata University of Technology, 1984-09-27)
Fatal and permanently disabling accidents form only one per I cent of all occupational accidents but in many branches of industry they account for more than half the accident costs. Furthermore the human suffering of the ...
On the effects of welding parameters on weld quality of plasma arc keyhole welding of structural steels
(Lappeenranta University of Technology, 1989-12-08)
The possibility and the usefulness of applying plasma keyhole welding to structural steels with different compositions and material thicknesses, and in various welding positions has been examinated. Single pass butt welding ...
An experimental and theoretical study of multiphase flow in a circulating fluidized bed
(Lappeenranta University of Technology, 1989-08-11)
A systematic averaging procedure has been derived in order to obtain an integral form of conservation equations for dispersed multiphase flow, especially applicable to fluidized beds. A similar averaging method is applied ...