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Сhanging Energy and Exergy Comfort Level after School Thermomodernization

Buyak Nadia, Deshko Valeriy, Bilous Inna

Rocznik Ochrona Środowiska

2021

Tom 23

458--469

Increasing the level of thermal resistance of the building envelope in combination with the choice of heat source is an urgent task. It is important to take into account changes in the cost of energy over time. Thermal modernization, in its turn, allows to increase the level of thermal comfort, which is not taken into account and evaluated in practice, although the relevant standards for comfort conditions and categories of buildings to ensure comfort have been introduced in Ukraine. This paper analyzes the change in the level of comfort after thermal modernization, determines the category of the building to provide comfortable conditions, as well as identifies the change in the average radiation temperature of the fences, as one of the main factors of PMV change in these conditions.

Model of thermal comfort in the hyperbaric facility

Majchrzycka Anna

Polish Maritime Research

2011

nr 1

37--44

The paper discusses the mathematical model of thermal comfort in the hyperbaric facility. Based on human thermal balance and thermal comfort conditions the comfort equation for the hyperbaric environment was derived. The comfort equation enables to calculate all those combinations of the diver’s activity, clothing (thermal insulation, moisture permeation factor) and environmental variables (temperature, pressure, composition, relative humidity and velocity of the breathing gas and mean radiant temperature), which would create thermal comfort in the hyperbaric environment. The paper presents also the solution of thermal comfort equation for dives up to the depth of g = 590 m, with helium-oxygen and hydrogen-oxygen breathing mixture, as well as the comfort diagrams.