نتایج جستجو برای: mean radiant temperature
تعداد نتایج: 1013649 فیلتر نتایج به سال:
Increasing the population of cities and the growth and development of urban planning on the one hand and climate change on the other hand has affected the thermal balance of cities and has created thermal islands, so attention to the impact of design on the thermal comfort of urban spaces has become important. The study of the thermal performance of yards as common spaces between urban scale an...
Infrared-reflective (IRR) treatment of automotive glass has been shown to reduce air temperature in vehicle cabins, thereby increasing fuel economy and occupant comfort. Its effect on radiant heat, however, may augment these benefits. In this study, the hypothesis that radiant heat affects subjective comfort ratings in a vehicle was tested. IRR films were systematically applied to the driver-si...
The simple urban radiation model for estimating mean radiant temperature in idealised street canyons
CityComfort+: A simulation-based method for predicting mean radiant temperature in dense urban areas
Present-day and projected future changes in mean radiant temperature, T mrt in one northern, one mid-, and one southern European city (represented by Gothenburg, Frankfurt, and Porto), are presented, and the concept of hot spots is adopted. Air temperature, T a , increased in all cities by 2100, but changes in solar radiation due to changes in cloudiness counterbalanced or exacerbated the effec...
Currently, convective heating with a heat-pump system, which has high energy efficiency, is popular for room heating. However, it is possible that energy savings using convective heating can be further improved using heat pumps that service both occupied and unoccupied spaces. Moreover, convective heating increases vertical temperature gradients in a room; thus, it is hard to say whether occupa...
Thermal comfort is basically affected by environmental (mean radiant temperature, indoor air temperature and relative humidity velocity) personal parameters (clothing value activity level). Mean Radiant Temperature the most complicated parameter among all thermal due to difficulty of measurement calculation processes. Calculation methods are not preferred researchers because complexity obtainin...
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