First and Second Law Thermodynamic Analyses of Hybrid Nanofluid with Different Particle Shapes in a Microplate Heat Exchanger
The improvement in the quantitative and qualitative heat transfer performances of working fluids is trending research in the present time for heat transfer applications. In the present work, the first and second law analyses of a microplate heat exchanger with single-particle and hybrid nanofluids a...
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MDPI AG
2021-08-01
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| Online Access: | https://www.mdpi.com/2073-8994/13/8/1466 |
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| author | Kunal Sandip Garud Seong-Guk Hwang Taek-Kyu Lim Namwon Kim Moo-Yeon Lee |
| author_facet | Kunal Sandip Garud Seong-Guk Hwang Taek-Kyu Lim Namwon Kim Moo-Yeon Lee |
| author_sort | Kunal Sandip Garud |
| collection | DOAJ |
| description | The improvement in the quantitative and qualitative heat transfer performances of working fluids is trending research in the present time for heat transfer applications. In the present work, the first and second law analyses of a microplate heat exchanger with single-particle and hybrid nanofluids are conducted. The microplate heat exchanger with single-particle and hybrid nanofluids is analyzed using the computational fluid dynamics approach with symmetrical heat transfer and fluid flow analyses. The single-particle Al<sub>2</sub>O<sub>3</sub> nanofluid and the hybrid Al<sub>2</sub>O<sub>3</sub>/Cu nanofluid are investigated for different nanoparticles shapes of sphere (Sp), oblate spheroid (OS), prolate spheroid (PS), blade (BL), platelet (PL), cylinder (CY) and brick (BR). The first law characteristics of NTU, effectiveness and performance index and the second characteristics of thermal, friction and total entropy generation rates and Bejan number are compared for Al<sub>2</sub>O<sub>3</sub> and Al<sub>2</sub>O<sub>3</sub>/Cu nanofluids with considered different-shaped nanoparticles. The OS- and PL-shaped nanoparticles show superior and worse first and second law characteristics, respectively, for Al<sub>2</sub>O<sub>3</sub> and Al<sub>2</sub>O<sub>3</sub>/Cu nanofluids. The hybrid nanofluid presents better first and second law characteristics compared to single-particle nanofluid for all nanoparticle shapes. The Al<sub>2</sub>O<sub>3</sub>/Cu nanofluid with OS-shaped nanoparticles depicts maximum values of performance index and Bejan number as 4.07 and 0.913, respectively. The first and second law characteristics of the best combination of the Al<sub>2</sub>O<sub>3</sub>/Cu nanofluid with OS-shaped nanoparticles are investigated for various volume fractions, different temperature and mass flow rate conditions of hot and cold fluids. The first and second law characteristics are optimum at higher hot fluid temperature, lower cold fluid temperature, lower hot and cold fluid mass flow rates. In addition, the first and second law characteristics have improved with increase in volume fraction. |
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| language | English |
| last_indexed | 2024-03-10T08:21:02Z |
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| spelling | doaj.art-f1394e5c6cbd414d9b34124fe97a46312023-11-22T10:01:58ZengMDPI AGSymmetry2073-89942021-08-01138146610.3390/sym13081466First and Second Law Thermodynamic Analyses of Hybrid Nanofluid with Different Particle Shapes in a Microplate Heat ExchangerKunal Sandip Garud0Seong-Guk Hwang1Taek-Kyu Lim2Namwon Kim3Moo-Yeon Lee4Department of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, KoreaDepartment of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, KoreaThermal Management R&D Center, KATECH, 303 Pungse-ro, Pungse-Myun, Cheonan 31214, KoreaIngram School of Engineering, Texas State University, San Marcos, TX 78666, USADepartment of Mechanical Engineering, Dong-A University, 37 Nakdong-Daero 550, Saha-gu, Busan 49315, KoreaThe improvement in the quantitative and qualitative heat transfer performances of working fluids is trending research in the present time for heat transfer applications. In the present work, the first and second law analyses of a microplate heat exchanger with single-particle and hybrid nanofluids are conducted. The microplate heat exchanger with single-particle and hybrid nanofluids is analyzed using the computational fluid dynamics approach with symmetrical heat transfer and fluid flow analyses. The single-particle Al<sub>2</sub>O<sub>3</sub> nanofluid and the hybrid Al<sub>2</sub>O<sub>3</sub>/Cu nanofluid are investigated for different nanoparticles shapes of sphere (Sp), oblate spheroid (OS), prolate spheroid (PS), blade (BL), platelet (PL), cylinder (CY) and brick (BR). The first law characteristics of NTU, effectiveness and performance index and the second characteristics of thermal, friction and total entropy generation rates and Bejan number are compared for Al<sub>2</sub>O<sub>3</sub> and Al<sub>2</sub>O<sub>3</sub>/Cu nanofluids with considered different-shaped nanoparticles. The OS- and PL-shaped nanoparticles show superior and worse first and second law characteristics, respectively, for Al<sub>2</sub>O<sub>3</sub> and Al<sub>2</sub>O<sub>3</sub>/Cu nanofluids. The hybrid nanofluid presents better first and second law characteristics compared to single-particle nanofluid for all nanoparticle shapes. The Al<sub>2</sub>O<sub>3</sub>/Cu nanofluid with OS-shaped nanoparticles depicts maximum values of performance index and Bejan number as 4.07 and 0.913, respectively. The first and second law characteristics of the best combination of the Al<sub>2</sub>O<sub>3</sub>/Cu nanofluid with OS-shaped nanoparticles are investigated for various volume fractions, different temperature and mass flow rate conditions of hot and cold fluids. The first and second law characteristics are optimum at higher hot fluid temperature, lower cold fluid temperature, lower hot and cold fluid mass flow rates. In addition, the first and second law characteristics have improved with increase in volume fraction.https://www.mdpi.com/2073-8994/13/8/1466Bejan numberhybrid nanofluidmicroplate heat exchangerparticle shapeperformance indexthermodynamic analysis |
| spellingShingle | Kunal Sandip Garud Seong-Guk Hwang Taek-Kyu Lim Namwon Kim Moo-Yeon Lee First and Second Law Thermodynamic Analyses of Hybrid Nanofluid with Different Particle Shapes in a Microplate Heat Exchanger Symmetry Bejan number hybrid nanofluid microplate heat exchanger particle shape performance index thermodynamic analysis |
| title | First and Second Law Thermodynamic Analyses of Hybrid Nanofluid with Different Particle Shapes in a Microplate Heat Exchanger |
| title_full | First and Second Law Thermodynamic Analyses of Hybrid Nanofluid with Different Particle Shapes in a Microplate Heat Exchanger |
| title_fullStr | First and Second Law Thermodynamic Analyses of Hybrid Nanofluid with Different Particle Shapes in a Microplate Heat Exchanger |
| title_full_unstemmed | First and Second Law Thermodynamic Analyses of Hybrid Nanofluid with Different Particle Shapes in a Microplate Heat Exchanger |
| title_short | First and Second Law Thermodynamic Analyses of Hybrid Nanofluid with Different Particle Shapes in a Microplate Heat Exchanger |
| title_sort | first and second law thermodynamic analyses of hybrid nanofluid with different particle shapes in a microplate heat exchanger |
| topic | Bejan number hybrid nanofluid microplate heat exchanger particle shape performance index thermodynamic analysis |
| url | https://www.mdpi.com/2073-8994/13/8/1466 |
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