نتایج جستجو برای: thermal and mechanicalparameters
تعداد نتایج: 16874165 فیلتر نتایج به سال:
Being brittle and having low thermal conductivity, refractories suffer damage and sometimes fail in service as a result of thermal shock. While the approach of those making fine-grained technical ceramics is to make their products sufficiently strong to withstand thermal stresses the refractory technologist is more cunning. He uses, often little known, devices to provide resistance to thermal s...
Shiveluch (Kamchatka, Russia) is the most active andesitic volcano of the Kuril-Kamchatka arc, typically exhibiting near-continual high-temperature fumarolic activity and periods of exogenous lava dome emplacement punctuated by discrete large explosive eruptions. These eruptions can produce large pyroclastic flow (PF) deposits, which are common on the southern flank of the volcano. Since 2000, ...
Because of the differences between indoor and outdoor thermal condition, preparing some outdoor thermal indices is a way to understand and categorize the outdoor thermal sensation. The aim of these indices is not to provide thermal comfort - as it is the aim of indoor indices. Instead, they are provided to analyze outdoor thermal sensation to help architects, landscape architects and urban desi...
Different sensory stimuli, such as light, color, smell, sound and texture, play an important role in perceiving the quality of an environment. Heat, like other sensory stimuli, can contribute to the richness of an environment and provide a greater benefit to people. The fact that a person in addition to the thermal comfort of a particular environment can also benefit from its thermal quality, i...
nanocomposite materials, including noble metal nanoparticles embedded in a dielectric host medium, are interesting because of their optical properties linked to surface plasmon resonance phenomena. for studding of nonlinear optical properties and/or energy transfer process, these materials may be excited by ultrashort pulse laser with a temporal width varying from some femtoseconds to some hund...
considering high population and hot and arid climate in most cities in iran, creating optimum thermal comfort during the hot periods is necessary. an experiment was conducted to examine the effect of percentage vegetation and hard surfaces on changes of temperature, humidity and thermal comfort of in three urban sites and mashhad weather station was investigated. climate and recorded data from ...
heat stress effects on physical and mental health of workers and decreases human function. asphalt workers are both exposed to the heat of their working process and to the sun heat. this study aimed at evaluating thermal stress and its following function fall and the effect of asphalt work on the degree of heat stress and asphalt workers’ physiological parameters. the present study was done at ...
in recent decade, the new advanced nanofluids, composed from various particles, have attracted the attention of researchers. this class of nanofluids, which can be prepared by suspending several types (two or more than two) of nanoparticles in base fluid, is termed as hybrid nanofluids. in this work, an experimental investigation on the effects of temperature and concentration of nanoparticles ...
The architectural tradition of the desert climate has both hidden and hidden teachings. The creation of rich sensory spaces is one of the gifts that the architecture of this context offers to its inhabitants. A considerable part of human sensory experiences in different spaces is formed by heat. Heat, like other sensory stimuli, can contribute to the richness of human perception of the environm...
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