爱沙尼亚学术期刊
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作者:Sirje Keevallik
来源:[J].Estonian Journal of Engineering, 2013, Vol.19 (4), pp.329-335
摘要:Water and air temperatures during 1980–2010 were compared at three coastal stations of Estonia with the aim to estimate the stability conditions of the lower layers of the atmosphere. It is shown that the difference between the air and water temperatures varies during the ye...
作者:Martin Thalfeldt , Jarek Kurnitski , Alo Mikola
来源:[J].Estonian Journal of Engineering, 2013, Vol.19 (4), pp.309-328
摘要:A case study of the first nearly zero energy office building (nZEB) in Rakvere, Estonia was conducted to determine whether an office building can be built without a conventional space heating system while ensuring adequate thermal comfort in the offices. Energy and indoor cl...
作者:Sven Nõmm , Aaro Toomela
来源:[J].Estonian Journal of Engineering, 2013, Vol.19 (4), pp.298-308
摘要:The present paper is devoted to the problem of measuring and modelling the changes in human motor functions. Nowadays, overwhelming majority of techniques for motion analysis and gesture recognition are based on feature extraction, pattern recognition and clustering. An alte...
作者:Hillar Aben , Johan Anton , Mart Paemurru ...
来源:[J].Estonian Journal of Engineering, 2013, Vol.19 (4), pp.292-297
摘要:It is shown that in tempered glass panels the edge stress and the thickness stress are closely related. Therefore the traditional edge stress measurement gives information also about the thickness stress and the surface stress. Thus for complete analysis of stresses near the edge...
作者:Madis Ratassepp , Aleksander Klauson , Farid Chati ...
来源:[J].Estonian Journal of Engineering, 2013, Vol.19 (4), pp.283-291
摘要:Lamb modes are widely used for non-destructive evaluation of plate-like structures and simple interpretation procedures for the analysis of the monitored structures are needed. In this study we apply the orthogonality relation based method for post-processing Finite Element (FE) ...
作者:Jüri Engelbrecht
来源:[J].Estonian Journal of Engineering, 2013, Vol.19 (4), pp.273-282
摘要:The classical wave equation is a cornerstone in mathematical physics and mechanics. Its modifications are widely used in order to describe wave phenomena. In mechanics deformation waves are related to impact problems, acoustic waves are used in Nondestructive Evaluation, seismic ...
作者:Miloslav Okrouhlík
来源:[J].Estonian Journal of Engineering, 2013, Vol.19 (4), pp.253-272
摘要:The author ponders about things that necessarily come into engineering mind when the results obtained by theoretical, numerical and experimental approaches in solid continuum mechanics are correlated and compared with a pious wish to ascertain which of them are ‘truer’ or cl...
作者:Raili Niine , Enn Loigu , Walter Z. Tang
来源:[J].Estonian Journal of Engineering, 2013, Vol.19 (2), pp.152-168
摘要:In order to comply with the Urban Wastewater Treatment Directive’s, Water Framework Directive’s, Helsinki Commission and Estonian National Wastewater Treatment requirements to reveal the wastewater pressures and impacts on the receiving water, the aim of this work was to dev...
作者:Brahim Fnides , Smail Boutabba , Mohamed Fnides ...
来源:[J].Estonian Journal of Engineering, 2013, Vol.19 (2), pp.143-151
摘要:The aim of this experimental study is to evaluate the tool life of each cutting material used in dry hard turning of AISI H11, treated at 50 HRC. This steel is intended for hot work, is free from tungsten on CrMoV basis, insensitive to temperature changes and has a high wear resi...
作者:Elena Averbukh , Philippe Dussouillez , Christian Kharif ...
来源:[J].Estonian Journal of Engineering, 2013, Vol.19 (2), pp.124-142
摘要:The rise of sea level will enhance erosion of cliffs that will be in the reach of storm waves in the distant future. We analyse the possible consequences of erosion-driven collapse of the cliff of Cap Canaille, located approximately 20 km from Marseille, France. A resulting ...

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