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Keywords: natural convection
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. December 2023, 15(12): 121010.
Paper No: TSEA-23-1262
Published Online: October 20, 2023
... an improvement in the thermal or dynamic conditions of the device. Really, variations in heating conditions can be introduced directly, avoiding obstacles. The effect of discrete heat sources on the natural convection airflow inside an isolated solar chimney has been discussed experimentally and numerically...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. March 2023, 15(3): 031013.
Paper No: TSEA-22-1300
Published Online: January 11, 2023
... for two carboxyl methyl cellulose (CMC) solution concentrations. The results show that natural convection occurs earlier in the temperature-dependent fluid properties, which leads to attaining a desired level of sterility within a shorter time than the constant properties of the fluid. The variations...
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Journal Articles
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. September 2022, 14(9): 091011.
Paper No: TSEA-21-1456
Published Online: March 8, 2022
... material HTF temperature Stefan number natural convection LHTES conduction energy systems heat exchangers melting and solidification The annual global energy demand can be met through solar energy radiation falling on the earth’s surface in one day [ 1 ]. Despite the fact, fossil fuels...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Thermal Sci. Eng. Appl. December 2021, 13(6): 064502.
Paper No: TSEA-20-1589
Published Online: April 19, 2021
... limit imposed by the international standard for implantable devices. A 3D finite element model, including blood perfusion and natural convection fluid flow of the eye, was created. The device was placed 1.95 mm from the iris, which experienced less than 2°C rise in the tissue temperature at a maximum...
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. October 2021, 13(5): 051010.
Paper No: TSEA-20-1489
Published Online: March 9, 2021
... a maximum temperature increase by 0.76 °C and 0.23 °C for a position of δ = 0.25 and =0.75, respectively, and a decrease by 0.3 °C for a position of δ = 0.5. Tilting to the same position always leaves the square enclosure warmer than the rectangular one. Natural convection develops by the appearance...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. August 2021, 13(4): 041005.
Paper No: TSEA-20-1095
Published Online: December 30, 2020
... Email: amaresh@iitg.ernet.in 13 02 2020 15 10 2020 18 10 2020 30 12 2020 natural convection corrugated enclosure porous domain nano-fluids Nusselt number heat and mass transfer heat transfer enhancement micro/nanoscale heat transfer natural and mixed convection...
Journal Articles
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Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Thermal Sci. Eng. Appl. October 2020, 12(5): 054501.
Paper No: TSEA-19-1454
Published Online: April 17, 2020
... than that of the HEU core. The GHARR-1 is cooled by natural convection where the coolant water is driven by the density differences of the coolant in the core. The coolant with heavier densities stays at the bottom, whereas the coolant with the lighter densities stays at the top of the core. Thus...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. June 2020, 12(3): 031023.
Paper No: TSEA-19-1489
Published Online: February 28, 2020
...Dileep V. Nair This work presents a simple method to improve natural convection heat transfer performance of horizontal-base straight-fin heat sink by adding partial shroud plates on top of the heat sink at both ends. Experiments are conducted in conjunction with a detailed three-dimensional (3D...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. August 2020, 12(4): 041012.
Paper No: TSEA-19-1332
Published Online: December 24, 2019
...António M. G. Lopes; Vítor A. F. Costa A numerical study is conducted concerning the improvement of radial plane fins heat sinks for natural convection cooling of light-emitting diode (LED) lamps. The main objective is to maintain the temperature of the heat sink base below a prescribed threshold...
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Journal Articles