Numerical investigation of the condensation oscillation mechanism of submerged steam jet with high mass flux

Song, Siyuan; Chong, Daotong; Zhao, Quanbin; Chen, Weixiong; Yan, Junjie

doi:10.1016/j.ces.2023.118516

Cited by 33 publications

(3 citation statements)

References 34 publications

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“…Efficient and effective greenhouse dryers can contribute to preserving the quality and nutritional value of agricultural produce [21,22]. The findings of this study can benefit the agricultural community, farmers, researchers, and policymakers working towards sustainable food production and post-harvest management [23][24][25]. The knowledge gained from this research can help optimize drying processes, reduce energy consumption, and improve the overall quality of dried crops, leading to economic and environmental benefits.…”

Section: Introductionmentioning

confidence: 83%

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Thermal and CFD Analyses of Sustainable Heat Storage-Based Passive Greenhouse Dryer Operating in No-Load Condition

Ahmad,

Prakash,

Sarangi

et al. 2023

Sustainability

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This article presents a comprehensive study on thermal and computational fluid dynamics (CFD) analysis of an innovative greenhouse dryer designed for passive operation under a no-load condition. The dryer incorporates hybrid thermal storage at the floor and a reflective mirror with thermocoal as the north wall, transforming a classical even-span greenhouse dryer into an efficient and effective system. The experimentation was conducted under clear sky conditions, with variations in global solar radiation (GSR) ranging from 166.6 to 1209 W/m2, resulting in an average value of 875.9 W/m2. The variations in GSR influenced other ambient parameters, including ambient temperature (28.7 °C to 35.6 °C), ambient relative humidity (33.2% to 45.7%), and ambient wind speed (0.1 to 1.02 m/s). Indoor parameters of the proposed dryer, such as inside temperature (31 °C to 47.35 °C), inside relative humidity (31.1% to 39.1%), ground temperature (44.2 °C to 70.6 °C), and outlet temperature (29 °C to 45.35 °C), were measured hourly. The average values of these parameters were 41.25 °C, 35.31%, 61.65 °C, and 39.25 °C, respectively. Quantitative parameters, including heat loss, overall heat transfer coefficient, coefficient of diffusion, and instantaneous efficiency, were calculated to evaluate the dryer’s performance. The proposed dryer exhibited an improved range of overall heat transfer coefficients (3.87 to 5.03 W/m2 K) compared to the modified greenhouse dryer under passive mode and the conventional greenhouse under passive mode. CFD analysis provided temperature distribution plots showing a progressively increasing range of temperatures near the trays, ranging from 310 K to 335 K, suitable for natural convection drying. The findings highlight the superior performance of the innovative dryer compared to contemporary systems. This research contributes to the advancement of drying technology and holds potential for applications in the agriculture and food processing industries.

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Section: Introductionmentioning

confidence: 83%

“…where α 0 = 1.0. The contribution of the fluctuating dilatation in compressible turbulence to the overall dissipation rate (Y M ) Y M = 2ρεM t 2 (24) The turbulent Mach Number M t is defined as…”

Section: The Standard K-ε Modelmentioning

confidence: 99%

Thermal and CFD Analyses of Sustainable Heat Storage-Based Passive Greenhouse Dryer Operating in No-Load Condition

Ahmad,

Prakash,

Sarangi

et al. 2023

Sustainability

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“…These equations have drawn a lot of attention due to their outstanding simulation over traditional integer-order differential equations for a variety of physical and biological phenomena. They are often used to explain the viscous materials, system of control, and signal analysis in a variety of fields, including physics, engineering, biology, economics, and much more [6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis of Time-Fractional Porous Media and Heat Transfer Equations Using a Semi-Analytical Approach

et al. 2023

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In nature, symmetry is all around us. The symmetry framework represents integer partial differential equations and their fractional order in the sense of Caputo derivatives. This article suggests a semi-analytical approach based on Aboodh transform (AT) and the homotopy perturbation scheme (HPS) for achieving the approximate solution of time-fractional porous media and heat transfer equations. The AT converts the fractional problems into simple ones and obtains the recurrence relation without any discretization or assumption. This nonlinear recurrence relation can be decomposed via the use of the HPS to obtain the iterations in terms of series solutions. The initial conditions play an important role in determining the successive iterations and yields towards the exact solution. We provide some numerical applications to analyze the accuracy of this proposed scheme and show that the performance of our scheme has strong agreement with the exact results.

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Hydrothermally Synthesized Pure and Mn-Doped ZnS/ZnO Nanoparticles as Potential Candidate in Capacitive Devices

Mazhar,

Tahir,

Ahmad

et al. 2023

J. Electron. Mater.

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Numerical investigation of the condensation oscillation mechanism of submerged steam jet with high mass flux

Cited by 33 publications

References 34 publications

Thermal and CFD Analyses of Sustainable Heat Storage-Based Passive Greenhouse Dryer Operating in No-Load Condition

Thermal and CFD Analyses of Sustainable Heat Storage-Based Passive Greenhouse Dryer Operating in No-Load Condition

Numerical Analysis of Time-Fractional Porous Media and Heat Transfer Equations Using a Semi-Analytical Approach

Hydrothermally Synthesized Pure and Mn-Doped ZnS/ZnO Nanoparticles as Potential Candidate in Capacitive Devices

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