Search Results - "Gianluca Ambrosetti"

Performance Evaluation of the Pressurized Synhelion Absorbing Gas Receiver by Simone A. Zavattoni, Philipp Good, Lukas Geissbühler, David Rutz, Riccardo Toffanin, Davide Montorfano, Gianluca Ambrosetti, Maurizio C. Barbato

“…The pressurized design of the Synhelion absorbing gas receiver concept has been presented. Despite its intrinsic increased design complexity, foreseen…”
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Spectral data of specular reflectance, narrow-angle transmittance and angle-resolved surface scattering of materials for solar concentrators by Good, Philipp, Cooper, Thomas, Querci, Marco, Wiik, Nicolay, Ambrosetti, Gianluca, Steinfeld, Aldo

“…The spectral specular reflectance of conventional and novel reflective materials for solar concentrators is measured with an acceptance angle of 17.5mrad over…”
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A novel approach to high temperature solar receivers with an absorbing gas as heat transfer fluid and reduced radiative losses by Ambrosetti, Gianluca, Good, Philipp

“…•A novel solar receiver concept for operation above 1000 K is presented.•The heat transfer fluid is gaseous and radiatively participating, such as steam.•The…”
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Contactless thermal mapping of high-temperature solar receivers via narrow-band near-infrared thermography by Mahal, Jushwin, Good, Philipp, Ambrosetti, Gianluca, Cooper, Thomas A.

“…•Thermal camera capable of seeing through glass and steam is presented.•Device operates in a narrow short wave infrared band centered at 770 nm.•Design based…”
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On-sun optical characterization of a solar dish concentrator based on elliptical vacuum membrane facets by Schmitz, Max, Ambrosetti, Gianluca, Cooper, Thomas, Steinfeld, Aldo

“…•First on-sun demonstration of a solar dish concentrator with vacuum-membrane facets.•A new absolute irradiance measurement system used for the optical…”
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A 1.2 MWth solar parabolic trough system based on air as heat transfer fluid at 500 °C — Engineering design, modelling, construction, and testing by Good, Philipp, Ambrosetti, Gianluca, Pedretti, Andrea, Steinfeld, Aldo

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A 6-focus high-concentration photovoltaic-thermal dish system by Schmitz, Max, Wiik, Nicolay, Ambrosetti, Gianluca, Pedretti, Andrea, Paredes, Stephan, Ruch, Patrick, Michel, Bruno, Steinfeld, Aldo

“…[Display omitted] •A novel 6-focus, high-concentration photovoltaic-thermal system is presented.•The design, optical characterization and full-system modeling…”
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Optimal solar dish field layouts for maximum collection and shading efficiencies by Dähler, Fabian, Ambrosetti, Gianluca, Steinfeld, Aldo

“…•Methodology to optimize efficiencies of solar dish field layouts is presented.•Theoretical limits for shading and collection efficiencies are…”
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An array of coiled absorber tubes for solar trough concentrators operating with air at 600°C and above by Good, Philipp, Ambrosetti, Gianluca, Pedretti, Andrea, Steinfeld, Aldo

“…•Novel solar receiver design for solar trough concentrators is presented.•It comprises an array of helical absorber tubes.•Air is used as heat transfer fluid…”
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Experimental demonstration of high-concentration photovoltaics on a parabolic trough using tracking secondary optics by Cooper, Thomas, Ambrosetti, Gianluca, Malnati, Fabio, Pedretti, Andrea, Steinfeld, Aldo

“…A new approach to high‐concentration photovoltaics (HCPV) based on a parabolic trough primary concentrator is presented. The design diverges from the standard…”
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A 1.2 MW^sub th^ solar parabolic trough system based on air as heat transfer fluid at 500 °C - Engineering design, modelling, construction, and testing by Good, Philipp, Ambrosetti, Gianluca, Pedretti, Andrea, Steinfeld, Aldo

“…We report on the realization of a 212 m-long parabolic trough concentrator and associated solar receiver that uses air as the heat transfer fluid at 500 °C…”
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A 1.2MWth solar parabolic trough system based on air as heat transfer fluid at 500°C — Engineering design, modelling, construction, and testing by Good, Philipp, Ambrosetti, Gianluca, Pedretti, Andrea, Steinfeld, Aldo

“…•The design and construction of a 1.2MWth solar parabolic trough system is described.•The pneumatic solar concentrator is based on a stack of reflective…”
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Spectral reflectance, transmittance, and angular scattering of materials for solar concentrators by Good, Philipp, Cooper, Thomas, Querci, Marco, Wiik, Nicolay, Ambrosetti, Gianluca, Steinfeld, Aldo

“…The narrow-angle spectral specular reflectance and angular scattering of conventional and novel reflective materials for solar concentrators are measured over…”
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Performance of compound parabolic concentrators with polygonal apertures by Cooper, Thomas, Dähler, Fabian, Ambrosetti, Gianluca, Pedretti, Andrea, Steinfeld, Aldo

“…[Display omitted] •Optical performance of polygonal CPCs investigated by Monte Carlo ray-tracing.•Geometries are constructed from extruded 2D profiles…”
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High-concentration solar dishes based on pneumatic reflecting membranes by Dähler, Fabian, Ambrosetti, Gianluca, Montoya-Zegarra, Javier A., Schindler, Konrad, Steinfeld, Aldo

“…•Optical performance of solar concentrating membranes is numerically analyzed.•Simulations are experimentally verified by scans of PET and aluminum…”
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The effect of irradiance mismatch on a semi-dense array of triple-junction concentrator cells by Cooper, Thomas, Pravettoni, Mauro, Cadruvi, Monica, Ambrosetti, Gianluca, Steinfeld, Aldo

“…A method to determine the effect of cell-to-cell non-uniformity on CPV module performance is applied to a high-concentration photovoltaic system, comprising a…”
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Percolative properties of hard oblate ellipsoids of revolution with a soft shell by Ambrosetti, Gianluca, Johner, Niklaus, Grimaldi, Claudio, Danani, Andrea, Ryser, Peter

“…We present an in-depth analysis of the geometrical percolation behavior in the continuum of random assemblies of hard oblate ellipsoids of revolution…”
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Optimal Design of Solar Assisted Hydrothermal Gasification for Microalgae to Synthetic Natural Gas Conversion by A. Mian, A.V. Ensinas, G. Ambrosetti, F. Marechal

“…Catalytic hydrothermal gasification is a promising technology which allows the conversion of wet biomass into methane rich syngas. It consists of three major…”
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A 3 MWth parabolic trough CSP plant operating with air at up to 650 °C by Zanganeh, Giw, Ambrosetti, Gianluca, Pedretti, Andrea, Zavattoni, Simone, Barbato, Maurizio, Good, Philipp, Haselbacher, Andreas, Steinfeld, Aldo

“…Parabolic trough concentrating solar power (CSP) has long proven to be among the most viable options for large-scale solar electricity generation. However,…”
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Receiver-module-integrated thermal management of high-concentration photovoltaic thermal systems by Paredes, Stephan, Burg, Brian R., Ruch, Patrick, Lortscher, Emanuel, Malnati, Fabio, Cucinelli, Marco, Bonfrate, Donato, Mocker, Andre, Bernard, Andre, Ambrosetti, Gianluca, Pedretti, Andrea, Michel, Bruno

“…Solar energy is typically converted into electrical energy or collected as thermal energy. Co-generation of electricity and low-grade heat allows a more…”
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