نتایج جستجو برای: air temperature and mean radiant temperature

تعداد نتایج: 16961045  

2002
František HRUŠKA

The determination of the thermal comfort indices needs the evaluating devices. The physical measured parameters of the milieu input in this device. We measure air temperature of the area, temperature of the surfaces of walls, floor and the ceiling –medium radiant temperature, air flow velocity and air moisture. Other parameters are the date of his clothes and his physical activity. Outputs of t...

Journal: :Kocaeli journal of science and engineering 2021

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...

2005
Marc Fountain D.

Air movement is one of the six main variables determirzing human thermal comfort; air temperature, relative humidity, mean radiant temperature, metabolic rate, and clothing insulation are the others. Recently, HVAC design in;zovations, energy conservation concerns, and new laboratory data on fan cooling and drafts have brought substantial ~tttention to the issue of acceptable levels of air move...

Journal: :CoRR 2013
Milorad Bojic Dragan Cvetkovic Jasmina Skerlic Danijela Nikolic Harry Boyer

The low temperature radiant systems are very complex because they involve different mechanisms of heat transfer: heat conduction through the walls, heat convection between the heating panel and the indoor air, heat radiation between the heating panel and the surrounding areas, and the heat conduction between the floor and the ground. The main essence of the low-temperature air systems is to pro...

2017
X. Berger

2014 The concept of dwelling is connected with the thermal comfort problem. Radiatively out of balance volumes may agree physiologically and psychologically with the ideal preferred comfort. Nevertheless taking into account vertical and horizontal gradients is a necessity, as well as other parameters of influence like air temperature, air velocity, hygrometry, activity and clothing. The mean ra...

Journal: :Applied ergonomics 2015
Carlo Giaconia Aldo Orioli Alessandra Di Gangi

The results of an experimental investigation on the human thermal comfort inside the cabin of some Airbus A319 aircrafts during 14 short-haul domestic flights, linking various Italian cities, are presented and used to define a correlation among the predicted mean vote (PMV), a procedure which is commonly used to assess the thermal comfort in inhabited environments, and the equivalent temperatur...

Journal: :Cancer research 1983
H I Robins J Grossman T E Davis J P AuBuchon W Dennis

After review of the published clinical experience with systemic hypothermia, we concluded that a simple system which controls radiant heat balance to supplement metabolic heat might provide several advantages, including: (a) decreased morbidity; (b) elimination of the requirement for general anesthesia; (c) improved patient comfort; (d) favorable cost-benefit considerations. We have tested a pr...

2004
Mark William Davies Robert Dunster David William Cartwright

The warming and humidification of inspired gases for ventilated neonates are routine. There are no data on the temperature of the gasat the airway opening in ventilated neonates. Is the inspired gas temperature at the airway opening, as expected and set on the humidifier, around 378C?We aimed to measure temperature at the airway opening and compare this with the circuit temperature. This was an...

2002
STEVEN A. SADER

Analysis of Thermal Infrared Multispectral Scanner data collected over H. J. Andrews experimental forest in western Oregon indicated that aspect and slope gradient had a greater effect on the thermal emission of younger reforested clearcuts than of older stands. Older forest stands ( > 25 years) with greater amounts of green biomass and dosed canopies had lower effective radiant temperatures th...

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