A review from design to control of solar systems for supplying heat in industrial process applications

Gil, Juan D.; Gavilema, Álex Omar Topa; Álvarez, José Domingo; Torres-Moreno, José Luis; García, Manuel Pérez

doi:10.1016/j.rser.2022.112461

Cited by 29 publications

(5 citation statements)

References 76 publications

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“…At present, solar thermal collectors are predominantly used in domestic water heating applications. Nevertheless, these collectors have the capability to provide process heat within the necessary temperature ranges for various industrial processes such as pasteurization, sterilization, drying, dyeing, bleaching, washing, cleaning, pre-heating, and more when installed in industrial applications [9]. Recently, study on the design of a STC system in Pakistan was conducted to produce hot water at a specified temperature.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Modeling and Analysis of Solar Industrial Process Heating (SIPH) for the Food industry

Kumar,

Sleiti

2024

Preprint

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Thermal energy requirements in the industrial sector for different process heating applications consume about 35% of the total global fossil fuels. To mitigate the consumption of fossil fuels, solar industrial process heating (SIPH) can be the best possible option. Therefore, in this paper, dynamic simulation and performance analysis of the SIPH system have been carried out for the food industry. The main objective of this study was to investigate the effect of mass flow rate on the outlet temperature of solar thermal collectors by multi-flat plate collectors (m-FPC) industrial process requirements. The methodology has considered data for the food industry of Pakistan to verify its potential quantitatively for different weather conditions (Summer and winter). The investigation revealed that once the desired temperature (𝑇 𝑠𝑒𝑡 ) of 60°C was attained at the optimized mass flow rate of 41 kg/s, any additional upsurge in flow rate led to greater energy consumption by the auxiliary heating system. Additionally, the analysis confirmed that the annual thermal energy generated by the solar collector, in conjunction with the supplementary heat provided by the heater, adequately fulfills the process requirements. These findings demonstrate the promising potential of SIPH within the food industry.

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Section: Introductionmentioning

confidence: 99%

Dynamic Modeling and Analysis of Solar Industrial Process Heating (SIPH) for the Food industry

Kumar,

Sleiti

2024

Preprint

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“…For this reason, in 2018, the European Union (EU) discussed and approved a series of environmental policies intending to decarbonize the EU by 2030 [2]. Within this package of policies, there are two fundamental objectives: (i) to increase energy efficiency by 32.5% compared to 2005, and (ii) to minimize greenhouse gases by 40% compared to 1990 [3,4].…”

Section: Introductionmentioning

confidence: 99%

Modeling and Energy Management of a Microgrid Based on Predictive Control Strategies

Gavilema

Gil

Álvarez

et al. 2023

Solar

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This work presents the modeling and energy management of a microgrid through models developed based on physical equations for its optimal control. The microgrid’s energy management system was built with one of the most popular control algorithms in microgrid energy management systems: model predictive control. This control strategy aims to satisfy the load demand of an office located in the CIESOL bioclimatic building, which was placed in the University of Almería, using a quadratic cost function. The simulation scenarios took into account real simulation parameters provided by the microgrid of the building. For case studies of one and five days, the optimization was aimed at minimizing the input energy flows of the microgrid and the difference between the energy generated and demanded by the load, subject to a series of physical constraints for both outputs and inputs. The results of this work show how, with the correct tuning of the control strategy, the energy demand of the building is covered through the optimal management of the available energy sources, reducing the energy consumption of the public grid, regarding a wrong tuning of the controller, by 1 kWh per day for the first scenario and 7 kWh for the last.

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“…Technically, both stationary and sun-tracking thermal collectors can be used in industrial processes provided that they are adequately selected with respect to the temperature level needed. Flat Plate Collectors (FPCs), Evacuated Tube Collectors (ETCs) and Compound Parabolic Collectors (CPCs) can provide heat for processes at temperatures below 200 • C [12]. On the opposite side, Parabolic Trough Collectors (PTCs) and Linear Fresnel Collectors (LFRs) can produce heat at temperatures approaching 400 • C [13].…”

Section: Introductionmentioning

confidence: 99%

Latent Thermal Energy Storage for Solar Industrial Drying Applications

Allouhi

2023

Sustainability

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Solar heat is an attractive alternative in industrial processes. However, the intermittent and stochastic nature of solar energy necessitates the use of heat storage systems to bridge the gap between heat production and demand. This study introduces a validated numerical analysis approach to investigate the performance of latent storage tanks filled with spherical phase-change materials. A 1D thermal model is developed to describe the charging processes of adipic acid as PCM. The study examines the performance characteristics of latent heat storage in terms of stored energy and duration through parametric investigations. For mass flow rates ranging from 600 to 1000 kg/h, storage durations were found to vary from 440 to 582 min. The storage duration decreased significantly from approximately 1150 min at a charging temperature of 160 °C to 470 min at a charging temperature of 240 °C. The bed porosity affected the storage process, with a porosity of 0.5 achieving a thermal energy storage of around 344 MJ but requiring a longer charging time of about 610 min. Higher heating rates allowed for lower storage durations, with storage durations of approximately 460 min for a heating rate of 3 °C/min, compared to 660 min, for a heating rate of 0.5 °C/min.

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A review from design to control of solar systems for supplying heat in industrial process applications

Cited by 29 publications

References 76 publications

Dynamic Modeling and Analysis of Solar Industrial Process Heating (SIPH) for the Food industry

Dynamic Modeling and Analysis of Solar Industrial Process Heating (SIPH) for the Food industry

Modeling and Energy Management of a Microgrid Based on Predictive Control Strategies

Latent Thermal Energy Storage for Solar Industrial Drying Applications

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