Vol. 57, No. 2, 2021

Applied Solar Energy

Direct Conversion of Solar Energy into Electrical Energy

Simulation and dSPACE Hardware Implementation of an Improved Fractional Short-Circuit Current MPPT Algorithm for Photovoltaic System

Claude Bertin Nzoundja Fapi, Patrice Wira, Martin Kamta, Hyacinthe Tchakounté, and Bruno Colicchio p. 93 abstract

Spin-Dependent Chemical Processes on and near the Surface of Semiconductors Induced by Sunlight

Kh. B. Ashurov, B. R. Kutlimurotov, N. N. Nikiforova, and B. L. Oksengendler p. 107 abstract

Solar Engineering Materials Science

Surface Morphology and Phase Composition of (Zn,Sn)Se Thin Films, Obtained by Chemical-Molecular Beam Deposition

T. M. Razykov, K. M. Kuchkarov, M. S. Tivanov, D. S. Bayko, I. A. Kaputskaya, N. I. Poliak, O. V. Korolik, B. A. Ergashev, R. T. Yuldoshov, R. R. Khurramov, J. Bekmirzaev, A. Olimov, D. Isakov, M. Makhmudov, and M. Pirimmatov p. 113 abstract

Solar Installations and Their Application

Chemical Analysis of Soiling of Photovoltaic Modules in Different Moroccan Areas

Bouchra Laarabi, Fadwa Safsafi, Fatima-ez-zahrae Daoudi, Dounia Dahlioui, Youssef El Baqqal, and Abdelfettah Barhdadi p. 120 abstract

Comparative Heating Performance and Engineering Economic Indicators of the “Trombe Wall” System in Different Climate Zones of Uzbekistan

N. R. Avezova, R. R. Avezov, K. A. Samiev, and S. K. Kakharov p. 128 abstract

Photovoltaic Module Functional Characteristics of a Photovoltaic–Thermal Installation with Solar Radiation Concentration for Moscow Region

L. D. Saginov p. 135 abstract

Convective and Radiative Heat Losses of a Cylindrical Accumulator for Solar Water Heating Collectors

Sh. I. Klychev, S. A. Bakhramov, I. G. Kenjaev, V. V. Kharchenko, and A. S. Bagyshev p. 143 abstract

Solar Energy Concentrators

Thermal Analysis of a Spiral Coil-Cylindrical Rod Heat Exchanger

Keqiang Mu, Zhifeng Wang, Jinping Li, and Longfei Chen p. 148 abstract

Experimental Investigation on Enhancement of Convective Heat Transfer Coefficient in Parabolic Collector Using Nanofluids

Ritesh Sambare, Tushar Sathe, Nilesh Kanojiya, Neeraj Sunheriya, and Sachin Mahakalkar p. 160 abstract

Desalination

Experimental Measurement and Theoretical Prediction of the Temperatures and the Productivity of a Continuous Solar Desalination Unit with PCM