Results 21 to 30 of about 462,633 (304)
Revue des Énergies Renouvelables, 2022 This paper aims to investigate the influence of tube shapes on thermal-flow characteristics of sinusoidal wavy finned-tube heat exchangers. Two row staggered bundle with six geometries of tubes (four flat tube geometries, one oval tube and a circular ...
Farouk Tahrour +3 more
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Energies, 2020 This study experimentally investigated the performance characteristics of water and MWCNT/Fe3O4 binary nanofluid as a working fluid in a flat plate and vacuum tube solar collectors.
Minjung Lee, Yunchan Shin, Honghyun Cho
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Numerical Investigation of Thermal-Flow Characteristics in Heat Exchanger with Various Tube Shapes
Applied Sciences, 2021 In this study, eight configurations of oval and flat tubes in annular finned-tube thermal devices are examined and compared with the conventional circular tube.
Fares Djeffal +10 more
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Energies, 2020 In Poland, various solar collector systems are used; among them, the most popular are flat plate collectors (FPCs) and evacuated tube collectors (ETCs). The work presents two installations located at a distance of 80 km apart, working in similar external
Piotr Olczak +2 more
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Anti-poisoning performance of flat-tube solid oxide fuel cell in high concentration H2S environment
Energy Reports, 2023 In this work, the anti-poisoning performance of flat-tube solid oxide fuel cells (FT-SOFCs) is investigated in high concentrations of H2S. The degradation rate of the cell is 0.52%/ h, 0.27%/ h and 0.305%/ h at 750 °C, when the concentration of H2S is ...
Yafei Tang +5 more
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Invotek: Jurnal Inovasi Vokasional dan Teknologi, 2019 Mesin mobil pasti menghasilkan panas akibat pembakaran dari bahan bakar. Disatu sisi panas ini menguntungkan jika dikendalikan dengan baik yaitu antara 700C- 900C namun sebaliknya jika panas ini tidak terkendali maka akan menimbulkan masalah.
Nuzul Hidayat +2 more
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Effect of tube shape on the performance of a fin and tube heat exchanger
Journal of Mechanical Engineering and Sciences, 2020 A numerical study is carried out to test the effect of tube shape on heat transfer and fluid flow in a finned tube heat exchanger. The effects of different shapes (circular, flat, elliptical and oval in both orientations: left and right) are analyzed ...
Djamel Sahel +2 more
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An integrated approach to modelling the fluid-structure interaction of a collapsible tube [PDF]
, 2004 The well known collapsible tube experiment was conducted to obtain flow, pressure and materials property data for steady state conditions. These were then used as the boundary conditions for a fully coupled fluid-structure interaction (FSI) model using a
BATHE M +8 more
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MATEC Web of Conferences, 2018 Flat tubes heat exchangers are commonly used in many industrial applications as a consequence of the distinctive geometrical characteristics of the flat tube compared with round tube.
Adam A.Y. +5 more
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Nihon Kikai Gakkai ronbunshu, 2016 A flat tube heat exchanger has attracted attention as one of the solutions to improve energy efficiency and reduce the amount of refrigerant in the development of the air conditioning unit for global warming prevention.
Hiroki MURAKAMI +3 more
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