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This paper presents a photovoltaic module cell temperature measurement and 81 points heat distribution mapping technique using only 9 temperature sensors. The operating principle, mapping technique, experiment setup and performance analysis of the proposed measurement system is discussed. The proposed measurement system consists of 9 negative temperature coefficient thermistor based temperature sensors...
This paper presents a simplified approach for fundamental photovoltaic module performance analysis. The performance analysis is based on monthly average solar irradiance data and photovoltaic module parameters obtained from manufacturer datasheet. The proposed simplified approach is capable to compute the photovoltaic module power output without the need of complex photovoltaic modeling calculation...
This paper presents the estimation method of solar irradiance in W/m2 based on the short circuit current output produce by the photovoltaic module. The proposed solar irradiance estimation method is derived using photovoltaic mathematical model. Therefore, photovoltaic module modeling is required to develop the proposed estimation method. The modeling includes the identification of photovoltaic module...
Garment Hanger Dryer (GHDryer) is a portable and flexible indoor garment hanger, designed to dry garment efficiently and effectively. It is targeted mainly at high-rise building residents and travelers who crave for immediate drying of their clothes due to limitation to sun exposure. GHDryer offers two main features, cool dry and heat dry. These were achieved through the use of two axial fans attached...
TM surface waves on an interface between semiconductors, ferrites or artificial dielectrics are considered. The normalised phase coefficient, ?/k0, is calculated for a range of values for the two media, first with (?r1 = 1, ?r1 = 1) and then with (?r1 = 1, ?r1 = -1) assuming - 5 < ?r2/?r1 < 5, -5 ?r2/?r1 < 0. This range of parameters includes some "double negative" cases for the...
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