power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...

abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...

In Islamic culture, "garden" is a manifestation of heaven in appearance, So the carpet and garden are the mirrors of heaven. In this research, the design patterns of Iranian garden and  garden carpets in Safavid and Qajar period are identified and compared with each other. The goal of this research is to investigate the interactions of form, geometry and patterns of design in gar...

  This research pursues the cognition Architectural and Landscape characteristics of gardens of Ghasre Ghajar of Tehran and Takht of Shiraz, also trying to attain structural ـ essential patterns in both and the ways these two relate to each other, with the aim of revitalizing the patterns of terraced garden and then implementing in new Architectural ـ Landscape projects. This attempt is justifi...

The Holy Quran, as the guiding book of mankind, contains a collection of divine verses in which there are innumerable truths and mysteries, and is the greatest manifestation of the emergence of a truth in the material body. So that the truth of heaven appears in the material form and the architecture of the garden. Contrary to the simple appearance of Persian garden, the structural and semantic...

The Persian Garden has had various functions during its history and has been host to numerous events. Henceforth, in addition to the main building of the garden, it is essential to examine other structures in it as well. The Nazar Garden of Shiraz, dating from at least the Zand period, has always been the key garden in the Zandieh complex, which has gone through many functional modifications th...

In Persian culture, carpet is the most important formal image expression of “Garden”, next to its architectural manifestation. Nowadays, while the historical gardens have already been destroyed by nature or man and lack of documents is dominant, garden’s representation in garden-carpets enables researchers to study the history of Persian gardens. This paper, analyzes Persian g...