نتایج جستجو برای: thermal comfort
تعداد نتایج: 234470 فیلتر نتایج به سال:
BACKGROUND Fanger's PMV equation is the result of the combined quantitative effects of the air temperature, mean radiant temperature, relative air velocity, humidity, activity level and clothing insulation. METHODS This paper contains a comparison of suit dresses and summer clothes in terms of thermal comfort, Fanger's PMV equation. Studies were processed in the winter for an office, which lo...
ABSRTACT: Design strategies for open spaces need detailed information about the thermal comfort conditions. The actual use of open spaces is analysed depending on the microclimatic conditions and activities. With measurements, observations and calculations with a thermal comfort model the results could be used for a open place design. The results are demonstrated at two open spaces in Kassel /G...
The present work is focused on the control of indoor thermal comfort in buildings equipped with HVAC (Heating, Ventilation and Air Conditioning) systems. The occupants’ thermal comfort sensation is addressed here by the well-known comfort index (PMV Predicted Mean Vote). In this context, different strategies for the control algorithms are proposed by using only-one-actuator system that can be a...
UNLABELLED Environmental conditions such as lighting and thermal comfort are influencing factors on sleep quality and visual tiredness. The purpose of this study was the determination of the relationship between thermal comfort and light intensity with the sleep quality and eye fatigue in shift nurses. METHOD This cross-sectional research was conducted on 82 shift-work personnel of 18 nursing...
introduction climate affects, more than any other factors, the type and form of human life, so that many cities that have made or developed regardless of climatic information are suffering from weather-related problems such as air pollution, water supply and flooding etc. by using the meteorological information in designing new cities as well as developing old cities can reduce the mentioned pr...
This paper discusses the link between thermal comfort and productivity of office workers and presents some limited conclusions from a European field study of office buildings. The importance of productivity measurement and current methodologies of measurement are discussed and shortcomings highlighted. The paper concludes with an introduction to a new technology developed in Japan that may prov...
the strategies to reduce the consumption of non-renewable energies in buildings are becoming increasingly important. in the meantime, nature-inspired approaches have emerged as a new strategy to achieve thermal comfort in the interiors. however, the use of these approaches in architecture and buildings requires a proper understanding regarding the features of ecosystems. although acquiring this...
Climate change and the urgency of decarbonizing the built environment are driving technological innovation in the way we deliver thermal comfort to occupants. These changes, in turn, seem to be setting the directions for contemporary thermal comfort research. This article presents a literature review of major changes, developments, and trends in the field of thermal comfort research over the la...
Introduction: Introduction: Thermal comforts are one of the most human concerns in working as was as living environments in the past half century. Thermal comfort is the condition in which people are satisfied with the thermal environment, mentally. One of the new heating system employed in individual units is radiant heating system .The purpose of this study was to investigate the performance ...
The thermal environment outdoors affects human comfort and health. Mental and physical performance is reduced at high levels of air temperature being a problem especially in tropical climates. This paper deals with human comfort in the warm-humid city of Guayaquil, Ecuador. The main aim was to examine the influence of urban micrometeorological conditions on people's subjective thermal perceptio...
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