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Effects of the induced evening thermal stress on nightly
Effects of the induced evening thermal stress on nightly

... nervous system inhibitory (Lee et al., 2012; Sutkowy et al., 2013). It has already been found that taking ordinary sauna (3 times x 20 min with 10 min break; 80–90oC; 30% environment relative humidity) internal body (rectal) temperature is increasing and reaching >39oC (Sohar et al., 1976). This bod ...
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THERMODYNAMICS - FSU High Energy Physics

... between bodies of different temperature (i.e. of different average internal thermal energy), heat will flow from the body of higher temperature to the body of lower temperature until the temperatures of the two bodies are the same; then the bodies are in “thermal equilibrium” two bodies are in therm ...
Chapter 3: Air Temperature
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... Air Temperature and Human Comfort • Human body stabilizes its T (i.e., prevents its T decrease) primarily by converting food into heat (metabolism) • The stronger the wind, the faster the body’s heat loss • High winds in below-freezing air can remove heat from exposed skin so quickly that the skin ...
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Heat Chapter 12: Thermodynamics

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Thermal mass - City of Hobart

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Period 4 Activity Sheet: Transfer of Thermal Energy

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BCJ0205-15 Thermal phenomena (3-1-4)
BCJ0205-15 Thermal phenomena (3-1-4)

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Thermodynamics lesson 1 Tempersture
Thermodynamics lesson 1 Tempersture

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... • double-side cooling, much more efficient, • difficult assembly, does not have „outlets“, clamping system is necessary, ...
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... 16.1 Thermal Energy and Matter • In the 1700’s scientists thought heat was a fluid called a caloric that flowed between objects. • In 1798, the scientist Count Rumford concluded, from his observations, that heat could not be a kind of matter but instead was related to the motion of objects ...
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Thermal comfort

Thermal comfort is the condition of mind that expresses satisfaction with the thermal environment and is assessed by subjective evaluation (ANSI/ASHRAE Standard 55). Maintaining this standard of thermal comfort for occupants of buildings or other enclosures is one of the important goals of HVAC (heating, ventilation, and air conditioning) design engineers.Thermal neutrality is maintained when the heat generated by human metabolism is allowed to dissipate, thus maintaining thermal equilibrium with the surroundings. The main factors that influence thermal comfort are those that determine heat gain and loss, namely metabolic rate, clothing insulation, air temperature, mean radiant temperature, air speed and relative humidity. Psychological parameters such as individual expectations also affect thermal comfort.The Predicted Mean Vote (PMV) model stands among the most recognized thermal comfort models. It was developed using principles of heat balance and experimental data collected in a controlled climate chamber under steady state conditions. The adaptive model, on the other hand, was developed based on hundreds of field studies with the idea that occupants dynamically interact with their environment. Occupants control their thermal environment by means of clothing, operable windows, fans, personal heaters, and sun shades.The PMV model can be applied to air conditioned buildings, while the adaptive model can be generally applied only to buildings where no mechanical systems have been installed. There is no consensus about which comfort model should be applied for buildings that are partially air conditioned spatially or temporally.Thermal comfort calculations according to ANSI/ASHRAE Standard 55 can be freely performed with the CBE Thermal Comfort Tool for ASHRAE 55.Similar to ASHRAE Standard 55 there are other comfort standards like EN 15251 and the ISO 7730 standard.
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