Communications - Scientific Letters of the University of Zilina 2021, 23(2):B150-B157 | DOI: 10.26552/com.C.2021.2.B150-B157

Forming Comfortable Microclimate in the Bus Compartment via Determining the Heat Loss

Oleksandr Kravchenko1, Ivan Hrabar2, Juraj Gerlici ORCID...3, Serhii Chuiko1, Kateryna Kravchenko ORCID...3
1 Department of Automobiles and Transport Technologies, Zhytomyr Polytechnic State University, Zhytomyr, Ukraine
2 Department of Processes, Machines and Equipment, Polissya National University, Zhytomyr, Ukraine
3 Department of Transport and Handling Machines, University of Zilina, Slovakia

Methodology of the heat outcome from the bus compartment in terms of duration factor of cooling and heating capacity is introduced. Value of the air temperature change in the compartment was calculated. The balance method of the spent heat is used to assess the level of keeping a proper temperature environment in the bus saloon when a comfortable microclimate is created for passengers via the proper conditioning system functioning. Models of the heat transmission notions were used for calculation regarding different categories of the heat load creation. A developed numeric algorithm was introduced in the article as well as a program for modelling the transitory heat processes in the compartment of the city bus equipped with an air-conditioner enabling to take into account various constructive decisions in the system of comfortable provision of city buses and model unstable heat processes.

Keywords: city bus; compartment; temperature environment; heat capacity of air; heat balance; comfortable conditions

Received: July 17, 2020; Accepted: August 23, 2020; Prepublished online: March 4, 2021; Published: April 1, 2021  Show citation

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Kravchenko, O., Hrabar, I., Gerlici, J., Chuiko, S., & Kravchenko, K. (2021). Forming Comfortable Microclimate in the Bus Compartment via Determining the Heat Loss. Communications - Scientific Letters of the University of Zilina, 23(2), B150-157. doi: 10.26552/com.C.2021.2.B150-B157
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