in most industrial zones, electric energy is one of the most important energy sources. since electrical motors are the main energy consumers of industrial factories, consumption optimization in these motors can be considered as a main option related to energy saving. one very effective way to reduce the consumption of these equipment is to use a motor speed controllers or drives. since the loss...

thin layer drying of russian olive (elaeagnusan gastifolial l.) fruit using a hot air dryer in order to calculate effective moisture diffusivity, activation energy and energy consumption has been evaluated in this article. the selected variables included three levels of air velocity of 0.5, 1 and 1.5 m/s and three air temperature levels of 50, 60 and 70°c. increased air temperature increased ef...

occupant presence and behavior are non-negligible factors affecting building energy consumption. It should be emphasized: guaranteed core functions is a prerequisite for saving. This paper proposes method that can minimize consumption improve comfort. Through monitoring the entry exit of 24-person office, obtained. And difference in comfort occupants investigated analyzed. The moved to seat mor...

Public lighting is one of the criteria for development society, in addition to which it important human life, as ensures safety and security during night, but this may lead an increase energy consumption therefore there a deficit bills. This research offers smart street system that has been implemented tested at pilot site consists 9 LED lights order reduce without compromising users. The devel...

in this research multiple-regression analysis with stepwise selection method was employed for investigating the effectof vertical building envelopes solar radiation (evr) on cooling energy consumption (e cooling) in residential sector.the high capacity of solar energy in semi-arid climate (shiraz) can provide a part of buildings required energy. dependson house orientations in two directions of...