Transient simulation of polygeneration systems based on PEM fuel cells and solar heating and cooling technologies

Calise, Francesco; Ferruzzi, Gabriele; Vanoli, Laura

doi:10.1016/j.energy.2011.05.027

Cited by 74 publications

(22 citation statements)

References 32 publications

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“…Finally, a high volume of thermal storage tank are unprofitable from energy point of view and in particular from economic point of view. The economic profitability of such system is comparable with other similar solar heating, cooling and power systems investigated by the authors in the past few years (Buonomano et al, 2014a;2014b;2013c;Calise, 2010;2012;Calise et al, 2011a;2012a;2011b;2012b). Furthermore, the proposed solar power plant is particularly convenient with public funding policies.…”

Section: Resultssupporting

confidence: 58%

“…The system is extremely profitable when feed-in tariffs similar to those currently assumed in EU for solar power system are adopted. The economical profitability can be further enhanced when the feed-in tariff considers also the system thermal production (Al-Sulaiman and Fahad, 2014;Buonomano et al, 2013c;2012;Calise et al, 2011b).…”

Section: Resultsmentioning

confidence: 99%

“…In reference (Calise et al, 2011b) the components (boiler, pumps, tank, etc.) cost functions (J i ) are reported.…”

Section: Thermo-economic Modelmentioning

confidence: 99%

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A Novel Prototype of a Small-Scale Solar Power Plant: dynamic Simulation and Thermoeconomic Analysis

Buonomano¹,

Calise²,

Vicidomini³

2016

American Journal of Engineering and Applied Sciences

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Abstract:The paper presents an innovative prototype of a solar power plant, purposely designed for small-scale applications such as residential and/or small commercial buildings. The system consists of 10 kW e Organic Rankine Cycle (ORC) plant and innovative solar thermal collectors. In particular, 235 m 2 of flat-plate evacuated solar collectors are designed to heat diathermic oil up to 180°C. A variable volume pump is managed by a feedback controller in order to obtain the desired outlet set point temperature for the different weather/load conditions. The hot diathermic oil passes through a storage tank, which is adopted with the purpose to reduce the oscillations due to the solar radiation variability. By means of the tank, a better exploitation of solar energy is also achieved, reducing the time-shift between production and demand. For achieving a constant ORC inlet temperature the tank outlet hot diathermic oil passes through a gas-fired burner, which provides auxiliary additional thermal energy. Therefore, the ORC simultaneously produces electrical energy and low temperature (45°C) cogeneration heat. This solar power plant was dynamically simulated in TRNSYS environment. The simulation tool includes a novel model in order to simulate the dynamic thermal behavior of solar collectors, whereas the ORC dynamic was simulated by means of a performance data map provided by the manufacturer. The model also includes a tool for the calculation of energy and economic parameters and the evaluation of the optimum thermoeconomic configuration. Results indicated that the best pay-back period is obtained for a solar field area of about 200 m 2 and a solar fraction of about 75%. Nevertheless, the system may be competitive from the economic point of view only if incentives can be made available, as commonly occurs for renewable applications, i.e., solar systems. This prototypal system aims to become a potential solar power system for small residential and/or commercial buildings. The presented study will be suitably used as a basis for the installation of a working prototype in located Naples, Italy.

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Section: Resultssupporting

confidence: 58%

Section: Resultsmentioning

confidence: 99%

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A Novel Prototype of a Small-Scale Solar Power Plant: dynamic Simulation and Thermoeconomic Analysis

Buonomano¹,

Calise²,

Vicidomini³

2016

American Journal of Engineering and Applied Sciences

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“…In fact, the overall model includes a number of additional sub-models (controllers, pumps, valves, mixers, pipes, weather data, etc.). However, the reader may refer to the papers available in literature for further details regarding those components (Klein, 2006;Calise, 2010;Calise et al, 2010a;2010b;Calise et al, 2011;Calise, 2012;Calise et al, 2012;Buonomano et al, 2013;.…”

Section: Simulation Modelmentioning

confidence: 99%

“…Here, in order to compare different systems and provide a good overview of the performances of a SHC installation, a procedure on the determination of SHC system performance indicators was presented. Finally, many authors have been involved in investigations and optimizations of some innovative SHC system configurations including: Heat pumps for summer and/or winter auxiliary energy (Calise, 2010;Calise et al, 2012) and different thermal storage strategy (Buonomano et al, 2013). Recently, SHC systems applied to residential buildings have been widely investigated.…”

Section: Introductionmentioning

confidence: 99%

Simulation and Experimental Analysis of a Demonstrative Solar Heating and Cooling Plant Installed in Naples (Italy)

Buonomano¹,

Calise²,

d’Accadia³

et al. 2016

American Journal of Engineering and Applied Sciences

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Abstract:In this study the model of a Solar Heating and Cooling (SHC) system and its experimental setup are presented. The SHC system under investigation is a demonstration plant installed in Naples, based on flat plate solar collectors and a single-stage LiBr-H 2 O absorption chiller. In addition, two vertical tanks are installed as storage system. The balance of system includes: A cooling tower, pumps, valves, safety devices and pipes. The absorption chiller is powered only by solar energy, since there are devices for auxiliary thermal energy. The experimental setup also includes a number of meters (temperature, pressure, flow rate and radiation) to measure, collect and control the prototypal system. The experimental plant is dynamically designed and simulated in order to calculate its energetic and economic performance parameters. This analysis is carried out by means of a zero-dimensional transient simulation model, developed by using the TRNSYS software. Furthermore, a parametric analysis is implemented, aiming at determining the set of the synthesis/design variables that maximize system performances. The model was validated by the first experimental results obtained by the operation of the solar cooling system. Results show that, although flat-plate solar collectors have been specially designed for this kind of application, their operating temperature is often too low to drive the absorption chiller. In addition, the system performance is not particularly sensitive to the storage volume whereas the thermal capacity of the solar field is lower than the absorption chiller demand, determining a very discontinuous operation of the chiller itself.

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Polygeneration Microgrids for Residential Applications

Kyriakarakos

Papadakis

2015

Handbook of Clean Energy Systems

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Considerable research is taking place globally concerning the energy consumption in residential buildings. The effort is aimed toward the creation of zero energy buildings or even positive energy ones. In order to accomplish this, energy production is needed at the building level. Electrical energy, thermal energy for space heating and cooling, and domestic hot water production are common needs globally, whereas water pumping, water desalination, and onsite fuel production are also of rising interest. The polygeneration microgrid topology aims at unifying all the energy systems in a building and through advanced energy management approaches to optimize the energy flows in the building managing to provide optimum indoor comfort, meeting of all the energy needs of the residents and minimizing the environmental impact of the building. This article presents this topology in detail and also proposes a methodology for the design and sizing of such systems.

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Transient simulation of polygeneration systems based on PEM fuel cells and solar heating and cooling technologies

Cited by 74 publications

References 32 publications

A Novel Prototype of a Small-Scale Solar Power Plant: dynamic Simulation and Thermoeconomic Analysis

A Novel Prototype of a Small-Scale Solar Power Plant: dynamic Simulation and Thermoeconomic Analysis

Simulation and Experimental Analysis of a Demonstrative Solar Heating and Cooling Plant Installed in Naples (Italy)

Polygeneration Microgrids for Residential Applications

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