Aims: To quantify human thermal load caused by anticyclonic
weather types in the Köppen climate type Cfb by using the clothing
resistance-operative temperature model.
Study Design: The location, the data, and the important
information related to data collection and modelling were presented, and then
the results were described and discussed.
Place and Duration of Study: Martonvásár (Hungary, Central
Europe), in the period 2017-2025.
Methodology: The methodology of 1) measuring sweating rate (the
weighing scale accuracy is 0,1 kg), and 2) longitudinal data collection, was
presented. After this, the basic equations of the model were applied.
Results: The most important results are as follows: 1) The highest
heat deficit values for the Cfb climate are around 3-4 [clo-t]. They are
expected in the early morning hours in winter when the sky is clear. 2) In
winter, the lowest heat deficit values (between 0.2 -- 1.6 [clo-t]) are in
the so-called "convective anticyclonic" weather situations. These
data refer to a person whose body shape is as close to mesomorphic body shape
as possible and is walking at a speed of 1.1 ms-1. 3) In summer, heat excess
values can be very high during midday hours, so high that they exceed the
capacity of regulatory sweating. This statement applies to a person in a lying
position, and 4) the concept of compensatory sweating (λEswcomp) was defined to
characterise excess heat in summer. Based on the simulations, the maximum
λEswcomp values are around 500-580 Wm-2.
Conclusion: Our conclusions are as follows: 1) the radiation
conditions (cloudiness in the morning and solar radiation around midday)
referring to the Cfb climate type are essential from the point of view of human
thermal load. 2) In Cfb climates, human thermal load in summer cannot be
estimated without estimating sweating.
Author(s)
Details
Ferenc
Ács
Eötvös Loránd University, Pázmány Péter Sétány 1/A., 1117
Budapest, Hungary.
Erzsébet
Kristóf
Eötvös Loránd University, Pázmány Péter Sétány 1/A., 1117
Budapest, Hungary.
Please see the book here:- https://doi.org/10.9734/bpi/crgese/v2/5856
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