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227 results on '"Testi, Daniele"'

51. Integration of reversible absorption heat pumps in micro-trigeneration systems: application to an office building

Author

Testi, Daniele and Urbanucci, Luca

Subjects
polygeneration, energy system integration, Reversible absorption heat pump, Reversible absorption heat pump, polygeneration, stochastic optimization, Monte Carlo simulation, energy system integration, micro-cogeneration, net present cost, office building, office building, stochastic optimization, net present cost, Monte Carlo simulation, micro-cogeneration
Published
2019

54. Optimal Synthesis, Design and Operation of Smart Microgrids Serving a Cluster of Buildings in a Campus with Centralized and Decentralized Hybrid Renewable Energy Systems.

Author

Testi, Daniele, Urbanucci, Luca, Giola, Chiara, Aloini, Davide, Squicciarini, Nunzia, Tucci, Mauro, and Raugi, Marco

Subjects
*COLLEGE buildings, *RENEWABLE energy sources, *MICROGRIDS, *DIESEL electric power-plants, *HEAT pumps, *COLLEGE campuses, *EVOLUTIONARY algorithms
Abstract

Optimal design and operation of energy systems serving clusters of buildings interconnected by energy microgrids is a scientific challenge for the engineering community, with many interdisciplinary aspects involved. In the paper, the optimization problem is tackled in terms of simulation-based design of the energy system for a typical year of operation. The methodology has been applied to a Campus in Trieste, Italy, involving locally available renewable energy sources, a centralized cogeneration system, and decentralized heat pumps. The nominal powers of cogeneration plant, photovoltaic modules and wind turbine have been optimized by a population-based evolutionary optimization algorithm, previously proposed by the authors. We have also found the optimal scheduling of energy generators by means of a greedy approach. The solution with maximum Annualized Cost Saving Percentage is discussed, highlighting how a configuration involving decentralized heat pumps is cost effective, integrates more renewable energy sources, and reduces environmental impact and grid exchange compared to a benchmark solution, with fully centralized generators. [ABSTRACT FROM AUTHOR]

Published
2019
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56. Real-time operational optimization of a complex DHC plant

Author

Urbanucci, Luca, Joan Carles Bruno, and Testi, Daniele

Subjects
District Heating and Cooling, Partial load, Real-time operational optimization, Combined Cooling Heat and Power, District Heating and Cooling, Real-time operational optimization, Partial load, Combined Cooling Heat and Power
Published
2018

68. Heat transfer correlations for turbulent mixed convection in the entrance region of a uniformly heated horizontal tube

Author

Testi, Daniele and Grassi, Walter

Subjects
Turbulence -- Research, Hexane -- Thermal properties, Engineering and manufacturing industries, Science and technology
Abstract

Flow of perfluorohexane in the entry region of a uniformly heated horizontal cylindrical duct is studied in a regime of weakly turbulent mixed convection. A different thermofluid-dynamic behavior is observed between the upper and lower sides of the pipe.

Published
2006

76. Thermo-fluid dynamics of submerged jets

Author

Testi, Daniele

Subjects
Submerged jets: definitions, applications, zones. Laminar plane jet. Turbulent plane jet. Mixing layer. Free jet. Stagnation region. Wall jet. Inclined jets. Array of impinging jets, Submerged jets: definitions, applications, zones. Laminar plane jet. Turbulent plane jet. Mixing layer. Free jet. Stagnation region. Wall jet. Inclined jets. Array of impinging jets
Published
2015

78. Preface

Author

Grassi, Walter, Franco, Alessandro, Forgione, Nicola, and Testi, Daniele

Published
2014

98. Getti Sommersi

Author

Grassi, W and Testi, Daniele

Published
2005

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