Anna Helgesson

Sulfation of corrosive alkali chlorides by ammonium sulfate in a biomass fired CFB boiler

Markus Broström, Håkan Kassman, Anna Helgesson et al. · Fuel Processing Technology · 2007 · 150 citations

Natural Sciences, Chemical Engineering, Chemistry +11

Propagation in Dielectric Slab Loaded Rectangular Waveguide

W. P. Ayres, P. H. Vartanian, Anna Helgesson · IEEE Transactions on Microwave Theory and Techniques · 1958 · 142 citations

Engineering, Electrical Engineering, Antennas +16

Optical properties, durability, and system aspects of a new aluminium-polymer-laminated steel reflector for solar concentrators

Maria Brogren, Anna Helgesson, Björn Karlsson et al. · Solar Energy Materials and Solar Cells · 2004 · 76 citations

Natural Sciences, Materials Engineering, Materials Science +15

Evaluation of CPC-collector designs for stand-alone, roof- or wall installation

Monika Adsten, Anna Helgesson, Björn Karlsson · Solar Energy · 2005 · 59 citations

Architecture, Architectural Engineering, Facade Design +6

Biaxial model for the incidence angle dependence of the optical efficiency of photovoltaic systems with asymmetric reflectors

Johan Nilsson, Maria Brogren, Anna Helgesson et al. · Solar Energy · 2005 · 18 citations

Natural Sciences, Materials Engineering, Materials Science +17