Substantial factors influencing drivers’ comfort in transportation

R. Zewdie¹* and P. Kic²

¹University of Life Sciences in Prague, Faculty of Engineering, Department of Vehicles and Ground Transport, Kamýcká 129, CZ165 00 Prague 6, Czech Republic
²Czech University of Life Sciences in Prague, Faculty of Engineering, Department of Technological equipment of buildings, Kamýcká 129, CZ165 00 Prague 6, Czech Republic
*Correspondence: zewdie@tf.czu.cz

Abstract:

Research shows that driver stress is associated with workload and fatigue, and an inappropriate microclimate in the driving cabin can have an impact on overall driver’s safety. The aim of this scientific study is to examine whether driver stress, across various urban and field drive conditions, can affect performance in a confined environment and whether the natural breathing process can also compound these effects and aggravate health hazards. This paper will address the influencing parameters associated with driver comfort of everyday job occupations in the urban communication network of Prague city public transport. In this research paper the authors will characterize cardinal components directly accountable to the safe operation elements; the concentration of carbon dioxide (CO₂) and the relative humidity (Rh_i) in the driving cabin, affecting the contentment of the drivers comfort while performing their duties. Similar inquiries were carried out on ventilation emphasis and air intake impact in drivers’ cabin, recommending a design to minimize safety problems associated with comfort. Data on the concentration of carbon dioxide and internal relative humidity in the respective cabins have been collected carefully for detailed analysis. This research paper is the outcome of these findings.

Key words:

bus, Driver, metro, microclimate, tram, ventilation

Changes in air ions concentration depending on indoor plants activity

N. Siņicina* and A. Martinovs

Rezekne Academy of Technologies, Faculty of Engineering, Atbrīvošanas aleja 115,
Rēzekne, LV-4601, Latvia
*Correspondence: natalija.sinicina@rezekne.lv
Abstract. Lack of negative ions in the air can cause deterioration

Abstract:

Lack of negative ions in the air can cause deterioration of the health which is described in many scientific articles. At the same time, an air saturated with negative ions can improve the state of health and provide a comfortable indoor environment. In addition, there are considerable evidences that drowsiness, apathy, headache etc. get even worse indoors, and these health problems may be effectively eliminated with a help of moderate concentrations of negative ions. Literature sources and earlier researches state that plants may be able to produce a variety of air ions, including negative light ions. The most plants emit different types of volatile organic compounds, and the indoor plants can improve the air quality: they effectively remove organic pollution and reduce the number of microorganisms in the air by releasing phytoncides. In this article, the regularity of influence of plants on the number of ions in the room is being proved, basing on a series of experiments performed with the following plants: Spathiphyllum, Pinus mugo, Aloe arborescens, Chlorophytum comosum, Cactaceae opuntia.

Key words: