A Comprehensive State-of-the-Art Review on the Recent Developments in Greenhouse Drying

Drying via solar energy is an environmentally friendly and inexpensive process. For controlled and bulk level drying, a greenhouse solar dryer is the most suitable controlled level solar dryer. The efficiency of a solar greenhouse dryer can be increased by using thermal storage. The agricultural pro...

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Main Authors: Asim Ahmad, Om Prakash, Anil Kumar, Rajeshwari Chatterjee, Shubham Sharma, Vineet Kumar, Kushagra Kulshreshtha, Changhe Li, Elsayed Mohamed Tag Eldin
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/15/24/9493
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author Asim Ahmad
Om Prakash
Anil Kumar
Rajeshwari Chatterjee
Shubham Sharma
Vineet Kumar
Kushagra Kulshreshtha
Changhe Li
Elsayed Mohamed Tag Eldin
author_facet Asim Ahmad
Om Prakash
Anil Kumar
Rajeshwari Chatterjee
Shubham Sharma
Vineet Kumar
Kushagra Kulshreshtha
Changhe Li
Elsayed Mohamed Tag Eldin
author_sort Asim Ahmad
collection DOAJ
description Drying via solar energy is an environmentally friendly and inexpensive process. For controlled and bulk level drying, a greenhouse solar dryer is the most suitable controlled level solar dryer. The efficiency of a solar greenhouse dryer can be increased by using thermal storage. The agricultural products dried in greenhouses are reported to be of a higher quality than those dried in the sun because they are shielded from dust, rain, insects, birds, and animals. The heat storage-based greenhouse was found to be superior for drying of all types of crops in comparison to a normal greenhouse dryer, as it provides constant heat throughout the drying process. Hence, this can be used in rural areas by farmers and small-scale industrialists, and with minor modifications, it can be used anywhere in the world. This article provides a comprehensive analysis of the development of solar greenhouse dryers for drying various agricultural products, including their design, thermal modelling methods, cost, energy, and environmental implications. Furthermore, the choice and application of solar photovoltaic panels and thermal energy storage units in the solar greenhouse dryers are examined in detail, with a view to achieving continuous and grid-independent drying. The energy requirements of various greenhouse dryer configurations/shapes are compared. Thermodynamic and thermal modelling research that reported on the performance prediction of solar greenhouse dryers, and drying kinetics studies on various agricultural products, has been compiled in this study.
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spelling doaj.art-172628375bd4470bbed5113abdc38d242023-11-24T14:37:54ZengMDPI AGEnergies1996-10732022-12-011524949310.3390/en15249493A Comprehensive State-of-the-Art Review on the Recent Developments in Greenhouse DryingAsim Ahmad0Om Prakash1Anil Kumar2Rajeshwari Chatterjee3Shubham Sharma4Vineet Kumar5Kushagra Kulshreshtha6Changhe Li7Elsayed Mohamed Tag Eldin8Faculty of Engineering and Applied Sciences, Usha Martin University, Ranchi 835103, IndiaDepartment of Mechanical Engineering, Birla Institute of Technology, Mesra, Ranchi 835215, IndiaDepartment of Mechanical Engineering, Delhi Technological University, New Delhi 110042, IndiaDepartment of Hotel Management and Catering Technology, Birla Institute of Technology, Mesra, Ranchi 835215, IndiaMechanical Engineering Department, University Center for Research & Development, Chandigarh University, Mohali 140413, IndiaDepartment of Automobile Engineering, Chandigarh University, Mohali 140413, IndiaInstitute of Business Management, GLA University, Mathura 281406, IndiaSchool of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, ChinaFaculty of Engineering and Technology, Future University in Egypt, New Cairo 11835, EgyptDrying via solar energy is an environmentally friendly and inexpensive process. For controlled and bulk level drying, a greenhouse solar dryer is the most suitable controlled level solar dryer. The efficiency of a solar greenhouse dryer can be increased by using thermal storage. The agricultural products dried in greenhouses are reported to be of a higher quality than those dried in the sun because they are shielded from dust, rain, insects, birds, and animals. The heat storage-based greenhouse was found to be superior for drying of all types of crops in comparison to a normal greenhouse dryer, as it provides constant heat throughout the drying process. Hence, this can be used in rural areas by farmers and small-scale industrialists, and with minor modifications, it can be used anywhere in the world. This article provides a comprehensive analysis of the development of solar greenhouse dryers for drying various agricultural products, including their design, thermal modelling methods, cost, energy, and environmental implications. Furthermore, the choice and application of solar photovoltaic panels and thermal energy storage units in the solar greenhouse dryers are examined in detail, with a view to achieving continuous and grid-independent drying. The energy requirements of various greenhouse dryer configurations/shapes are compared. Thermodynamic and thermal modelling research that reported on the performance prediction of solar greenhouse dryers, and drying kinetics studies on various agricultural products, has been compiled in this study.https://www.mdpi.com/1996-1073/15/24/9493greenhouse dryerthermal storageno-load conditionload conditionembodied energythermal modelling
spellingShingle Asim Ahmad
Om Prakash
Anil Kumar
Rajeshwari Chatterjee
Shubham Sharma
Vineet Kumar
Kushagra Kulshreshtha
Changhe Li
Elsayed Mohamed Tag Eldin
A Comprehensive State-of-the-Art Review on the Recent Developments in Greenhouse Drying
Energies
greenhouse dryer
thermal storage
no-load condition
load condition
embodied energy
thermal modelling
title A Comprehensive State-of-the-Art Review on the Recent Developments in Greenhouse Drying
title_full A Comprehensive State-of-the-Art Review on the Recent Developments in Greenhouse Drying
title_fullStr A Comprehensive State-of-the-Art Review on the Recent Developments in Greenhouse Drying
title_full_unstemmed A Comprehensive State-of-the-Art Review on the Recent Developments in Greenhouse Drying
title_short A Comprehensive State-of-the-Art Review on the Recent Developments in Greenhouse Drying
title_sort comprehensive state of the art review on the recent developments in greenhouse drying
topic greenhouse dryer
thermal storage
no-load condition
load condition
embodied energy
thermal modelling
url https://www.mdpi.com/1996-1073/15/24/9493
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