Improvement of the Chimney Effect in Stack Ventilation

The article is focused on the airflow in a ventilation system in a building. The work examines the methods which enhance the chimney effect. In this paper, three cases with different chimneys were analyzed for the full-scale experiment. These cases were characterized by different geometrical and mat...

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Main Authors: Romana Antczak-Jarząbska, Krzysztof Pawłowski, Maciej Niedostatkiewicz
Format: Article
Language:English
Published: MDPI AG 2021-10-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/11/19/9185
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author Romana Antczak-Jarząbska
Krzysztof Pawłowski
Maciej Niedostatkiewicz
author_facet Romana Antczak-Jarząbska
Krzysztof Pawłowski
Maciej Niedostatkiewicz
author_sort Romana Antczak-Jarząbska
collection DOAJ
description The article is focused on the airflow in a ventilation system in a building. The work examines the methods which enhance the chimney effect. In this paper, three cases with different chimneys were analyzed for the full-scale experiment. These cases were characterized by different geometrical and material parameters, leading to differences in the intensity of the ventilation airflow. The common denominator of the cases was the room with the air inlet and outlet to the ventilation system. The differences between the experimental cases concerned the chimney canal itself, and more precisely its part protruding above the roof slope. The first experimental case concerned a ventilation canal made in a traditional way, from solid ceramic brick. The second experimental case concerned the part that led out above the roof slope with a transparent barrier, called a solar chimney. In the third experimental case, a rotary type of chimney cap was installed on the chimney to improve the efficiency of stack ventilation. All these cases were used to determine the performance of natural ventilation—Air Change per Hour (CH). Additionally, the paper presents a technical and economic comparison of the solutions used.
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spelling doaj.art-aaab36c44fb34eb6abe2975845b28f262023-11-22T15:48:58ZengMDPI AGApplied Sciences2076-34172021-10-011119918510.3390/app11199185Improvement of the Chimney Effect in Stack VentilationRomana Antczak-Jarząbska0Krzysztof Pawłowski1Maciej Niedostatkiewicz2Faculty of Civil and Environmental Engineering, Gdansk University of Technology, 11/12 Gabriela Narutowicza Street, 80-233 Gdańsk, PolandFaculty of Civil and Environmental Engineering and Architecture, Bydgoszcz University of Science and Technology, Al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, PolandFaculty of Civil and Environmental Engineering, Gdansk University of Technology, 11/12 Gabriela Narutowicza Street, 80-233 Gdańsk, PolandThe article is focused on the airflow in a ventilation system in a building. The work examines the methods which enhance the chimney effect. In this paper, three cases with different chimneys were analyzed for the full-scale experiment. These cases were characterized by different geometrical and material parameters, leading to differences in the intensity of the ventilation airflow. The common denominator of the cases was the room with the air inlet and outlet to the ventilation system. The differences between the experimental cases concerned the chimney canal itself, and more precisely its part protruding above the roof slope. The first experimental case concerned a ventilation canal made in a traditional way, from solid ceramic brick. The second experimental case concerned the part that led out above the roof slope with a transparent barrier, called a solar chimney. In the third experimental case, a rotary type of chimney cap was installed on the chimney to improve the efficiency of stack ventilation. All these cases were used to determine the performance of natural ventilation—Air Change per Hour (CH). Additionally, the paper presents a technical and economic comparison of the solutions used.https://www.mdpi.com/2076-3417/11/19/9185stack ventilationACHenergy efficiencysolar chimneychimney cap
spellingShingle Romana Antczak-Jarząbska
Krzysztof Pawłowski
Maciej Niedostatkiewicz
Improvement of the Chimney Effect in Stack Ventilation
Applied Sciences
stack ventilation
ACH
energy efficiency
solar chimney
chimney cap
title Improvement of the Chimney Effect in Stack Ventilation
title_full Improvement of the Chimney Effect in Stack Ventilation
title_fullStr Improvement of the Chimney Effect in Stack Ventilation
title_full_unstemmed Improvement of the Chimney Effect in Stack Ventilation
title_short Improvement of the Chimney Effect in Stack Ventilation
title_sort improvement of the chimney effect in stack ventilation
topic stack ventilation
ACH
energy efficiency
solar chimney
chimney cap
url https://www.mdpi.com/2076-3417/11/19/9185
work_keys_str_mv AT romanaantczakjarzabska improvementofthechimneyeffectinstackventilation
AT krzysztofpawłowski improvementofthechimneyeffectinstackventilation
AT maciejniedostatkiewicz improvementofthechimneyeffectinstackventilation