Scientific publications

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From its incorporation until the present day, research has always played an important part at Airlight Energy. The many publications written by company employees and the interest shown by many young people, who have chosen Airlight Energy and its technology as a topic for their theses (Bachelor, Master) and doctorates, is proof of this.

Journal Articles

  • Zanganeh G., Pedretti A., Haselbacher A., Steinfeld A., Design of Packed-Bed Thermal Energy Storage Systems for High-Temperature Industrial Process Heat, Applied Energy, Vol. 137, pp. 812-822, 2015.
  • Bader R., Pedretti A., Barbato M., Steinfeld A., An air-based corrugated cavity-receiver for solar parabolic trough concentrators, Applied Energy, Vol. 138, pp. 337-345, 2015.
  • Good P., Ambrosetti G., Pedretti A., Steinfeld A., An array of coiled absorber tubes for solar trough concentrators operating with air at 600 °C and above. Solar Energy 111, 378-395, 2015.
  • Zanganeh G., Khanna R., Walser C., Pedretti A., Haselbacher A., Steinfeld A. Experimental and Numerical Investigation of Combined Sensible-Latent Heat for Thermal Energy Storage at 575 °C
    and above,  Solar Energy, Vol. 114, pp. 77-90, 2015.
  • Zanganeh G., Commerford M., Haselbacher A., Pedretti A., Steinfeld A., Stabilization of the outflow temperature of a packed-bed thermal energy storage by combining rocks with phase change materials, Applied Thermal Engineering, Vol. 70(1), pp. 316-320, 2014.
  • Cooper T., Ambrosetti G., Pedretti A., Steinfeld A., Theory and design of line-to-point focus solar concentrators with tracking secondary optics, Applied Optics, Vol. 52, pp. 8586-8616, 2013.
  • Cooper T., Dähler F., Ambrosetti G., Pedretti A., Steinfeld A., Performance of compound parabolic concentrators with polygonal apertures, Solar Energy, Vol. 95, pp. 308-318, 2013.
  • Cooper T., Pravettoni M., Cadruvi M., Ambrosetti G., Steinfeld A., The effect of irradiance mismatch
    on a semi-dense array of triple-junction concentrator cells, Solar Energy Materials and Solar Cells,
    Vol. 116, pp. 238-251, 2013.
  • Zanganeh G., Pedretti A., Zavattoni S., Barbato M., Steinfeld A., 2012, Packed-bed thermal storage
    for Concentrated solar power – pilot-scale demonstration and industrial-scale design, Solar Energy,
    Vol. 86, pp. 3084-3098, 2012.
  • Zanganeh G., Bader R., Pedretti A., Pedretti M., Steinfeld A., A solar dish concentrator based
    on ellipsoidal polyester membrane facets, Solar Energy, Vol.86, pp. 40 – 47, 2012.
  • Bader R., Pedretti A., Steinfeld A., Experimental and numerical heat transfer analysis of an air-based cavity-receiver for solar trough concentrators, Journal of Solar Energy Engineering (JSEE), Vol. 134, 021002, pp. 1-8, 2012.
  • Bader R., Pedretti A., Steinfeld A., A 9m-aperture solar parabolic trough concentrator based on a multilayer polymer mirror membrane mounted on a concrete structure, Journal of Solar Energy Engineering (JSEE), Vol. 133, pp. 1-12, 2011.
  • Cooper T., Steinfeld A., Derivation of the angular dispersion error distribution of mirror surfaces for Monte Carlo ray-tracing applications, Journal of Solar Energy Engineering (JSEE), Vol. 133, 044501, pp. 1-4, 2011.
  • Bader R., Barbato M., Pedretti A., Steinfeld A., An air-based cavity- receiver for solar trough concentrators, Journal of Solar Energy Engineering (JSEE), Vol. 132, pp. 1-7, 2010.
  • Bader R., Steinfeld A., A solar trough concentrator for pill-box flux distribution over a CPV panel, Journal of Solar Energy Engineering (JSEE), Vol. 132, 014501, pp. 1-4, 2010.
  • Bader R., Haueter P., Pedretti A., Steinfeld A., Optical design of a novel two-stage solar trough concentrator based on pneumatic polymeric structures, ASME (JSEE), Vol. 131, No. 3, 2009.

Conference Papers

  • Zavattoni S.A., Gaetano A., Barbato M.C., Ambrosetti G., Good P., Malnati F., Pedretti A., CFD analysis of a receiving cavity suitable for a novel CSP parabolic trough receiver, SolarPACES 2013, September 17-20, Las Vegas (USA).
  • Zavattoni S.A., Gaetano A., Montorfano D., Barbato M.C., Ambrosetti G., Pedretti A., A novel CSP receiver based on Airlight Energy Technology – Optimization of the thermal insulation system by means of CFD analysis, SolarPACES 2013, September 17-20, Las Vegas (USA).
  • Good P., Zanganeh G., Ambrosetti G., Barbato M., Pedretti A., Steinfeld A., Towards a commercial parabolic trough CSP system using air as heat transfer fluid,  SolarPACES 2013, September 17-20, Las Vegas (USA).
  • Gaetano A., Zavattoni S.A., Barbato M.C., Ambrosetti G., Pedretti A., Receiving cavity for concentrated solar power applications on parabolic trough analysed by means of 3D CFD simulations, International CAE Conference 2013, October 21-22, Verona (Italy).
  • Zavattoni S.A., Barbato M.C., Pedretti A., Zanganeh G, Steinfeld A., High temperature rock-bed TES system suitable for industrial-scale CSP plant – CFD analysis under charge/discharge cyclic conditions, 8th IRES Eurosolar 2013, November 18-20, Berlin (Germany).
  • Zavattoni S., Montorfano D., Gaetano A., Di Stefano G.M., Barbato M., CFD Modeling Suitable for Concentrated Solar Power Applications: Thermal Insulation Based on Radiation Shields and Thermal Energy Storage Systems, International CAE Conference 2012, October 22 – 23, Verona (Italy).
  • Zavattoni S., Barbato M., Pedretti A., Zanganeh G., Steinfeld A., Effective thermal conductivity and axial porosity distribution of a rock-bed TES system: CFD modeling and experimental validation, SolarPACES 2012, September 11 -14, Marrakech (Morocco).
  • Montorfano D., Barbato M., Gaetano A., Pedretti A., Malnati F., Pusterla S., Thermal insulation based on radiation shields for CSP-HTF pipes: CFD modeling and experimental validation, SolarPACES 2012, September 11 -14, Marrakech (Morocco).
  • Cooper T., Ambrosetti G., Barbato M., Pravettoni M., Pedretti A., Steinfeld A., A 500 kW CPV collector based on an inflated trough primary with tracking secondary optics: on – sun tests and design optimization, International Conference on Concentrating Photovoltaic Systems (CPV – 8) 2012, April 16 – 18, Toledo (Spain).
  • Cooper T., Ambrosetti G., Pedretti A., Steinfeld A., A 500 kW quasi 2-axis tracking CPV system based on an inflated parabolic trough with tracking secondary optics, International Photovoltaic Science and Engineering Conference (PVSEC-21) 2011, November 28 – December 2, Fukuoka (Japan).
  • Pedretti A., Neue möglichkeiten, sonnenenergie zu nutzen, Energieforschungskonferenz 2011 (Swiss Federal Office of energy), November 28 – 29, Bern, (Switzerland).
  • Zavattoni S., Barbato M., Pedretti A., Zanganeh G., CFD simulations of a pebble bed thermal energy storage system accounting for porosity variations effects, SolarPaces 2011, September 20 – 23, Granada (Spain).
  • Zanganeh G., Pedretti A., Steinfeld A., A packed bed of rocks for high-temperature thermal storage of concentrating solar energy, World Engineers’ Convention 2011 , 4 – 9 September 2011, Geneva (Switzerland).
  • Bader R., Barbato M., Pedretti A., Steinfeld A., An air-based cavity receiver for solar trough concentrators, ASME Energy Sustainability Conference 2010, Phoenix (AZ/USA).
  • Bader R., Barbato M., Pedretti A., Steinfeld A., An air-based cavity receiver for solar trough concentrators, Solarpaces 2010, Perpignan (France).
  • Bader R., Haueter P., Pedretti A., Steinfeld A., Optical design of a novel 2-stage solar trough concentrator based on pneumatic polymeric structures, Solarpaces 2009, Berlin (Germany).

Posters

  • Montorfano D., Gaetano A., Barbato M.C., Ambrosetti G., Pedretti A., CPV Cells Cooling System based on Submerged Jet Impingement: CFD Modeling and Experimental Validation, 10th International Conference on Concentrator Photovoltaics Systems, 2014, April 7-9, Albuquerque (USA).
  • Zavattoni S.A., Barbato M.C., Pedretti A., Zanganeh G., CFD modeling of a TES system based on a packed bed of natural rocks, 99th Eurotherm Seminar – Advances in Thermal Energy Storage, 2014, 28-30 May, Lleda (Spain).
  • Matarrese P., Gaetano A., Airaghi S., Montorfano D., Barbato M.C., Ambrosetti G., Pedretti A., Performance analysis of a novel air-based cavity receiver, SolarPACES 2013, September 17-20, Las Vegas (USA).
  • Zanganeh G, Pedretti A., Zavattoni S., Barbato M., Haselbacher A., Steinfeld A., Design of a 100 MWhth packed-bed thermal energy storage, SolarPACES 2013, September 17-20, Las Vegas (USA).
  • Jorio E., Barbato M., Bader R., Montorfano D., Pedretti A., Steinfeld A., Model for an air cavity-receiver for concentrated solar power, EnginSoft International Conference 2010, October 21 – 22, Brescia, (Italy).

PhD Dissertations

  • Cooper T., High-concentration solar trough collectors and their application to concentrating photovoltaics, ETH Zurich, 2014.
  • Zanganeh G., High-temperature thermal energy storage for concentrated solar power with air as heat transfer fluid, ETH Zurich, 2014.
  • Bader R., Optical and thermal analyses of an air-based solar trough concentrating system, ETH Zurich, 2011.

Ongoing PhD Projects

  • Geissbühler L., Combined sensible and latent heat for high-temperature thermal energy storage, ETH Zurich.
  • Dähler F., Optical design of concentrated solar power applications, ETH Zurich.
  • Wallerand A.S., Integration of solar heat to industrial processes, EPFL.
  • Schmitz M., High-concentration solar parabolic dish for concentrating photovoltaics, ETH Zurich.
  • Good P., Development of cavity air receivers for high temperature operation with a trough primary, ETH Zurich.

Master Theses

  • Tanaskovic F., Solar flux calorimetry: design, fabrication and testing, ETH Zurich, 2014.
  • Bernini M., Structural analysis of inflated membrane solar trough concentrators, ETH Zurich, 2014.
  • Khanna R., Storing Sunlight – experimental investigation of a combined sensible and latent heat storage for concentrated solar power, ETH Zurich, 2014 (ETH-medal awardee).
  • Dähler F., Application of the simultaneous multiple surface (SMS) method for the design of line-to-point focus solar concentrators, ETH Zurich, 2014 (ETH-medal awardee).
  • Schmitz M., Optimization of single-stage pneumatic trough concentrators for maximum geometric concentration, ETH Zurich, 2013.
  • Happle G., Life cycle assessment of a novel parabolic trough CSP system based on inflated mirror membranes on a concrete support structure and air as heat transfer fluid, ETH Zurich, 2013.
  • Milosevic M., Dielectric and discrete-switching secondary optics, ETH Zurich, 2012.
  • Commerford M., Numerical investigation of a combined sensible and latent heat thermal energy storage system, ETH Zurich, 2012.
  • Tirelli S., Finite element analysis and Monte Carlo ray tracing for a novel solar dish concentrator, ETH Zurich, 2012.
  • Cadruvi M., Experimental determination of the effect of the incident flux distribution on concentrator PV cell performance, ETH Zurich, 2011.
  • Zanganeh G., Modification of a model for thermal energy storage in packed beds and comparison with experimental results, ETH Zurich, 2009.

Semester Projects

  • Baumann A., Design of secondary concentrators for a faceted dish HCPVT system, ETH Zurich, 2014
  • Knutti O., Design of a correlation model between sunshape distribution and circumsolar ratio, ETH Zurich, 2013.
  • Müller J., The solar resource for concentrating photovoltaic (CPV) systems as a function of tracking range and acceptance angle, ETH Zurich, 2013.
  • Stucker F., Design of dielectric tailored edge-ray concentrators (DTERCs), ETH Zurich, 2013.
  • Karrer H., Design of a control system for optimal regulation of inflation pressures in a solar parabolic trough concentrator based on a multilayer mirror membrane, ETH Zurich, 2013.
  • Andreoli C., Experimental determination of directional spectral transmittance and reflectance of anti-reflection-coated windows, ETH Zurich, 2013.
  • Keller J., Optical dispersion error measurement of polymer and aluminum based mirror materials for solar reflectors, ETH Zurich, 2013.
  • Güntner A., Optical property determination of various glasses for an air-based cavity receiver in a spectroscopic goniometry system using polarized light, ETH Zurich, 2013.
  • Andreoli F., Inlet flow optimization for packed bed thermal energy storage systems, ETH Zurich, 2013.
  • Ettlin N., Economic analysis of the InPhoCUS trough-based high-concentration photovoltaic collector, ETH Zurich, 2012.
  • Nageleisen I., Development of a 3D equivalent circuit model for triple-junction concentrator solar cells, ETH Zurich, 2012.
  • Happle G., Measurement of spectral reflectance and transmittance properties for an inflated trough-based HCPV collector, ETH Zurich, 2012.
  • Dähler F., Design and analysis of crossed compound parabolic and hyperbolic concentrators, ETH Zurich, 2012.
  • Commerford, M., Thermodynamic analysis of a packed-bed thermal energy storage system, ETH Zurich, 2011.
  • Tirelli S., Optical design of a linear concentrator for medium concentration photovoltaics, ETH Zurich, 2011.
  • Milosevic M., Optical design of a linear-to-point focus concentrator for high-concentration photovoltaics, ETH Zurich, 2011.
  • Zanganeh G., Geometrical optimization of a novel solar dish concentrator, ETH Zurich, 2009.

Bachelor Theses

  • Stadelmann P., Optimization of segmented concentrators for maximum uniformity, ETH Zurich, 2014.
  • Schlichting K.P., Apparent emissivity and absorptivity of various cavity geometries for an air based solar parabolic trough receiver, ETH Zurich, 2013
  • Walser C., High-temperature measurement of thermo-physical properties of different materials for thermal energy storage, ETH Zurich, 2013.
  • Matarrese P., Studio delle prestazioni del ricevitore di una centrale elettrica a concentrazione solare (CSP), SUPSI, 2011/2012.
  • Burtini M., Simulazioni termo-fluidodinamiche di un prototipo di sistema di stoccaggio di energia termica per impianti solari a concentrazione, SUPSI, 2009/2010.
  • Balmelli F., Analisi termo-fluidodinamica di un receiver per collettore solare, SUPSI, 2008/2009.
  • Zavattoni S., Studio del sistema di stoccaggio di energia in una centrale solare a concentrazione, SUPSI , 2007/2008.