Czasopismo
Tytuł artykułu
Warianty tytułu
odel matematyczny intensyfikacji konwekcyjnej wymiany ciepła w wiązce rur gładkich z wykorzystaniem turbulatorów płatkowych
Języki publikacji
Abstrakty
The relevance of this study is explained by the growing interest in increasing heat transfer by the development of high-performance thermal systems. Increasing the thermal characteristics of heat-exchanger systems is necessary for the efficient use of an energy source. The purpose of this study is to review the existing methods of heat-transfer intensification and examine the mathematical model of such an increase in efficiency when using petal turbulators. This study is based on a high-quality, reliable combination of proven theoretical methods (analysis, synthesis, concretization, generalization, modelling), and empirical methods. It is the introduction of turbulators into the flow channel that is one of the best methods of increasing passive heat exchange through such advantages as ease of manufacture and operation in combination with low operating and production costs. This study contains both passive and active methods of heat-exchange intensification that have been extensively investigated over the past decade. For this purpose, the newest studies of mainly authors from other countries were used, their detailed analysis was conducted and the results were summed up. In addition, a mathematical model of increasing the thermal efficiency of convective heating surfaces in a bundle of smooth pipes using petal turbulators was investigated, the results of which were tested on an experimental installation. The paper may interest a circle of readers interested in the problem of improving the thermal characteristics of heat exchangers, including researchers, teachers and students of higher educational institutions in the field of heat-power engineering (original abstract)
Znaczenie tego badania wynika z rosnącego zainteresowania zwiększeniem wymiany ciepła poprzez rozwój wysokowydajnych systemów termicznych. Zwiększenie charakterystyki cieplnej układów wymienników ciepła jest niezbędne do efektywnego wykorzystania źródła energii. Celem niniejszej pracy jest przegląd istniejących metod intensyfikacji wymiany ciepła oraz zbadanie modelu matematycznego takiego wzrostu wydajności przy zastosowaniu turbulatorów płatkowych. Niniejsze opracowanie opiera się na wysokiej jakości, rzetelnym połączeniu sprawdzonych metod teoretycznych (analiza, synteza, konkretyzacja, uogólnienie, modelowanie) oraz metod empirycznych. Ponieważ to właśnie wprowadzenie zawirowywaczy do kanału przepływowego jest jedną z najlepszych metod zwiększenia biernej wymiany ciepła poprzez takie zalety jak łatwość wykonania i eksploatacji w połączeniu z niskimi kosztami eksploatacji i produkcji. Niniejsze opracowanie obejmuje zarówno pasywne, jak i aktywne metody intensyfikacji wymiany ciepła, które były szeroko badane w ciągu ostatniej dekady. W tym celu wykorzystano najnowsze badania, głównie autorów z innych krajów, dokonano ich szczegółowej analizy i podsumowano wyniki. Ponadto zbadano model matematyczny zwiększania sprawności cieplnej konwekcyjnych powierzchni grzewczych w wiązce rur gładkich za pomocą turbulatorów płatkowych, którego wyniki przetestowano na instalacji doświadczalnej. Artykuł może zainteresować grono czytelników zainteresowanych problematyką poprawy właściwości cieplnych wymienników ciepła, w tym naukowców, nauczycieli i studentów wyższych uczelni z zakresu elektroenergetyki.(abstrakt oryginalny)
Słowa kluczowe
Twórcy
autor
- Department of Construction Engineering, Caspian University of Technology and Engineering named after Sh. Yessenov, Republic of Kazakhstan
autor
- Department of Energy and Transport, Caspian University of Technology and Engineering named after Sh.Yessenov, Republic of Kazakhstan
autor
- Department of Construction Engineering, Caspian University of Technology and Engineering named after Sh. Yessenov, Republic of Kazakhstan
autor
- Department of Construction Engineering, Caspian University of Technology and Engineering named after Sh. Yessenov, Republic of Kazakhstan
autor
- Department of Construction Engineering, Caspian University of Technology and Engineering named after Sh. Yessenov, Republic of Kazakhstan
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Bibliografia
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