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Приказ резултата 1-10 од 79
Analysis of fouling factor in district heating heat exchangers with parallel helical tube coils
(Pergamon-Elsevier Science Ltd, Oxford, 2013)
This paper presents the results of measurements of thermal performance of 8 heat exchangers with parallel helical coils. Measurements were conducted in substations in 2 district heating systems in Serbia: Belgrade and ...
Redesigning components of power transmission according to numerical model and vibration diagnostics
(Journal Vibroengineering, Kaunas, 2013)
This article presents derived methodological procedure of redesigning shaft, gear box, bucket wheel of bucket wheel excavator. Method of finite elements has been used for defining numerical model of shaft. As validation ...
Numeričko određivanje radijacionih svojstava plamena ugljenog praha / Numerical determination of the pulverized coal flame radiative properties
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd i Društvo termičara Srbije, Beograd, 2013)
Ispitan je uticaj broja čestica letećeg pepela koje nastaju fragmentacijom jedne čestice koksnog ostatka na radijaciona svojstva disperzne faze plamena ugljenog praha, kao i da li se primenom tako dobijenih radijacionih ...
Uncertainty evaluation of the conducted emission measurements
(Univerzitet u Beogradu - Institut za nuklearne nauke Vinča, Beograd, 2013)
For the evaluation of measurement uncertainty in measuring the conduction emission, in this paper we propose a new model which uses mixed distribution. Evaluation of probability density function for the measurand has been ...
Unapređenje sistema obrazovanja studenata vazduhoplovstva Vojne akademije primenom aviona laboratorije / Improvement of the Military academy education system for aeronautics students using the flying laboratory
(Univerzitet odbrane u Beogradu - Institut za naučne informacije, Beograd, 2013)
U radu je opisan predlog unapređenja procesa obrazovanja studenata Vojne akademije za podršku procesa održavanja vazduhoplova Vojske Srbije zasnovan na uvođenju predmeta Ispitivanje vazduhoplova u letu. Pri tome je posebno ...
Architectural aspect of structural glass roof design
(CRC Press/Balkema, 2013)
The objective of the work is to study some solutions of the design and construction of structural glass roofs. Attractive glazed roofs could be achieved by enlarging the range and size of the glass panels, or by reducing ...
Aerodynamic design and analysis of a small-scale vertical axis wind turbine
(Korean Soc Mechanical Engineers, Seoul, 2013)
Small-scale vertical axis wind turbines are regarded today as an attractive source of green energy, still insufficiently implemented and tested. This paper presents a fast design methodology of such a VAWT, in terms of ...
Ponašanje legure Al-Mg frikciono zavarene mešanjem pri udarnom lomu / Impact fracture response of friction stir welded Al-Mg alloy
(Institut za ispitivanje materijala, Beograd, 2013)
Ispitivani su uticaji parametara frikcionog zavarivanja mešanjem na ponašanje loma udarom po Šarpiju u leguri Al-Mg 5083. Rotaciona i poprečna brzina zavarivanja su povezane sa dinamičkom inicijacijom prsline i duktilno ...
Application of digital image correlation in dentistry
(Croatian Society of Mechanics, 2013)
High reflectance as desired property of shining surface and undesired for laser welding in jewel production of 585 gold alloy
(Metalurgia International, 2013)
For most of golden jewels the desired property is the shining surface. From the other point of view, high level of shining leads to great reflectance of impinged beams from a surface. It means that when a laser beam is ...