Applications of software in solar drying systems: A review

Chauhan, Prashant Singh; Kumar, Anil; Tekasakul, Perapong

doi:10.1016/j.rser.2015.07.025

Cited by 84 publications

(33 citation statements)

References 38 publications

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“…In this first heat is supplied to the product from the sun and then mass transfer form crop surface to the surrounding in terms of moisture content. According to heat utilisation technique, solar dryer can be classified as: direct, indirect and mixed mode (Prakash et al, 2013;Chauhan et al, 2015;Kumar et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Performance analysis of greenhouse dryer by using insulated north-wall under natural convection mode

Chauhan

Kumar

2016

Energy Reports

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a b s t r a c tA prototype north wall insulated greenhouse dryer has been fabricated and tested in no-load conditions under natural convection mode. Experimentation has been conducted in two different cases. Case-I is when solar collector placed inside the dryer and Case-II is North wall insulated greenhouse dryer without solar collector. Coefficient of performance, heat utilisation factor, convective heat transfer coefficient and coefficient of diffusivity have been evaluated in thermal performance analysis. The difference of the highest convective heat transfer coefficient of both cases is 29.094 W/m 2°C which is showing the effectiveness of insulated north wall and solar collector. The maximum coefficient of diffusivity (0.0827) was achieved during the third day of experiment in Case-II. The inside room temperature of wall insulated greenhouse dryer for Case-I is 4.11%, 5.08 % and 11.61 % higher than the Case-II during the day 1, day 2 and day 3 respectively. This result is also showing the effectiveness of solar collector and insulated north wall. The highest heat utilisation factor (0.616) is obtained during the second day for Case-I while for Case-II it is 0.769 during the third day of experimentation. Maximum coefficient of performance achieved is 0.892 during the third day of the experiment for Case-I whereas 0.953 is obtained on the first day of experimentation for Case-II.

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Section: Introductionmentioning

confidence: 99%

Performance analysis of greenhouse dryer by using insulated north-wall under natural convection mode

Chauhan

Kumar

2016

Energy Reports

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“…HUF has been found minimum for the black painted gravel floor. 7. OHTC has been found maximum for the black painted gravel floor which is 3.8872 at 13 O'clock.…”

Section: Discussionmentioning

confidence: 82%

“…For this objective, controlled solar drying fulfils the desired requirement in the cost‐effective procedure. For bulk level drying, greenhouse solar dryer is the best suitable controlled level solar dryer . Greenhouse dryer also comes under the category of the direct type of solar dryer.…”

Section: Introductionmentioning

confidence: 99%

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Thermal analysis of north wall insulated greenhouse dryer at different bed conditions operating under natural convection mode

Ahmad

Prakash

2019

Env Prog and Sustain Energy

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An experimental investigation has been carried out on the modified greenhouse dryer with insulated north wall operating under natural convection mode of heat transfer for different floor conditions, namely ground floor, concrete floor, gravel floor, and black painted gravel floor. The terms like coefficient of diffusivity, coefficient of performance, overall heat transfer coefficient, heat loss factor, and heat utilization factor has been calculated for different floor conditions. The maximum difference between room temperature and ambient temperature was found to be 32.4°C at 13 O'clock for black painted gravel floor, followed by gravel floor, concrete floor, and ground floor which are 27, 14.1, and 11.5°C, respectively. It has been observed that the rise in the percentage of maximum room temperature in comparison to maximum ambient temperature for black painted gravel floor, gravel floor, concrete floor, and the ground floor was 50.31, 46.15, 30.1, and 26.6%, respectively at 13 O'clock. It has been found that the maximum temperature absorbed by black painted gravel bed. Hence, this type of floor condition is highly recommended for drying of low and medium moisture content type vegetables and fruits. The thermal parameters of the result obtain from the present setup was compared with the published literature, and it was found that all parameters show the similar trends; however, the present setup shows the superior performance compared to other research work.

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“…In general, the analysis of drying parameters, as a result of experimental tests, is performed by several authors through paid software [7,8] or traditional statistical tests that allow estimates of models that possibly explain the relationship between the variables studied, considering experimental errors [9,10,11].…”

Section: Introductionmentioning

confidence: 99%

Computational Program for Simulation of Mass and Heat Transfer of Cerrado Fruits

Fernandes¹,

Martins²,

Silva³

2017

IJCA

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This work proposes the development of software that has the objective of simulating the drying of cerrado fruits. The project was constructed through bibliographical surveys that pointed out several mathematical models that represent phenomena of heat and mass transfer between product and drying air. The developed program is dynamic and based on the Thompson model, but allows the use of the Page model, as well as the open parameterization of some equations such as the conversion reason, specific heat, among others. The software developed allows the simulation of heat transfer process, minimizing time and costs applied in practical experiments preliminary.

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Applications of software in solar drying systems: A review

Cited by 84 publications

References 38 publications

Performance analysis of greenhouse dryer by using insulated north-wall under natural convection mode

Performance analysis of greenhouse dryer by using insulated north-wall under natural convection mode

Thermal analysis of north wall insulated greenhouse dryer at different bed conditions operating under natural convection mode

Computational Program for Simulation of Mass and Heat Transfer of Cerrado Fruits

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