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Showing 2 results for Reduce Energy Consumption

Afsaneh Ebrahimi, Sayyed Obaid Poordanesh,
Volume 1, Issue 1 (9-2017)

The reduction of energy consumption on sensor nodes using cognitive radio network routing algorithm to help Dayjkstra, Can help a lot in increasing the life of nodes and improve the whole problem of the exchange of information without slowing down. Holes containing channel energy threshold is detected and checked by applying a range of secondary users assigned. From the simulation results of cognitive radio-based network routing algorithm can be seen Dayjkstra sensor nodes send data from the source node to the final node of their shortest and best route. Energy consumption by as much as 80 percent less sensor nodes with Dayjkstra algorithm of algorithms such as LEACH, DASC, EEUC that this factor is an increase in the lifetime of nodes in the network.
Seyyed Hossein Hashemi , Ehsan Fathalinia, Mohsen Fathalinia,
Volume 1, Issue 2 (1-2018)

The Trombe wall heating system known as one of the most important consumption reduction technology that utilizes solar energy is the energy efficiency. In this paper, the effects of temperature on system performance Trembath glass wall temperature of wall heating Trembath according to the intensity of solar radiation is investigated numerically. The results confirmed the increase in efficiency heating system with regard to solar radiation intensity emitted in the study area. With such intensity 466.281 w / m2 close to the glass surface temperature (in air duct) up to 14.422 ° C arrives while lower-intensity radiation (394.91 w / m2) in the final heat to about 12.71 ° C goes. Considering the solar radiation, can be expected to increase the flow of thermal energy in the air duct. The effect of improving the efficiency of the underlying performance heating technology Trembath wall. The results of this study, changes in temperature glass, to the the amount of solar radiation intensity in the relationship. When the radiation intensity maximum the amount of 466.81 w / m2 is concerned, more secondary radiation is emitted. As a result, the glass has a temperature range between 11.32 to the 12.73 ° C.

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سامانه نشریات دانشگاه یاسوج مباحث برگزیده در انرژی journal of selected topics in energy
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