Analysis of a greenhouse thermal performance using dynamic simulations

Barragán-Medrano, Juan Carlos; Muñoz, Norma Alejandra Rodriguez; Nájera-Trejo, Mario; Escobedo-Bretado, Jorge A.; Martín-Domínguez, Ignacio R.; Venegas-Reyes, Eduardo; Ortega-Ávila, Naghelli

doi:10.15174/au.2019.2333

Cited by 1 publication

(1 citation statement)

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“…This paper examines various studies conducted worldwide on different roof shapes and orientations for solar dryer structures. It provides guidance for selecting suitable solar structures for drying purposes in tropical regions, as highlighted by [23], with consideration for available materials and capital investment requirements. The review also investigates the methods employed to determine roof shapes conducive to produce drying, addressing both the strengths and limitations of these methods.…”

Section: Introductionmentioning

confidence: 99%

Optimizing Solar Drying: A Critical Review of Shapes, Orientation, and Future Prospects for Hybrid Solar Dryers

Zziwa,

Okello,

Kabenge

et al. 2023

JPEE

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This comprehensive review focuses on the performance of solar dryers, with a specific emphasis on their structural shape and orientation. Researchers have extensively examined these design parameters, often employing Computational Fluid Dynamics (CFD) to assess thermal attributes and predict temperature distribution, airflow patterns, and temperature profiles within the structures. Geographical location significantly influences solar dryer shape preferences, with the parabolic shape finding favor in tropical regions for its superior solar radiation capture and storm resistance, while even-span and Quonset shapes are popular elsewhere. Solar dryer orientation is another crucial factor, with east-west alignment consistently proving optimal due to its ability to maximize year-round solar radiation absorption and, consequently, enhance drying efficiency. Economic considerations, however, fall beyond the scope of this review, which predominantly focuses on thermal aspects. This investigation reveals diverse global preferences for solar dryer shapes and orientation, highlighting the necessity of considering geographical factors in design choices. While CFD and shape/orientation dynamics have provided valuable insights, there remains room for future research to expand into transient state simulations under various conditions, contributing to a more comprehensive understanding of solar dryer performance. Such insights promise to promote sustainable and efficient drying processes, benefitting agricultural and drying applications across the globe.

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Section: Introductionmentioning

confidence: 99%