Humidity, Air Temperature, CO2 and Well-Being of People with and Without Green Wall

2020 ◽  
pp. 336-346
Author(s):  
Zuzana Poorova ◽  
Zuzana Vranayova
Keyword(s):  
Air Temperature ◽  
Well Being ◽  
Green Wall

scholarly journals The Effect of Green Walls on Humidity, Air Temperature, Co2 and Well-Being of People

2020 ◽  
Vol 2 (1) ◽  
pp. 56
Author(s):  
Zuzana Poórová ◽  
Adriana Turcovská ◽  
Peter Kapalo ◽  
Zuzana Vranayová
Keyword(s):  
Air Temperature ◽  
Well Being ◽  
Indoor Environments ◽  
Air Humidity ◽  
Reference Case ◽  
Green Wall ◽  
Relative Air Humidity ◽  
Living Wall ◽  
Green Walls ◽  
Set Up

The experimental study of vegetated walls and their effects on humidity, air temperature and CO2is essential. This paper presents an experiment on a green wall to apprehend its thermal and hydrological behavior and its impact inside the building. The experiment is based on a living wall set up in a classroom. Monitoring of temperature, humidity and CO2 variations within the living wall and a reference case enabled us to analyze the effects of green walls. Measurements were performed in Košice, a city in Slovakia. During the measurements, a set of questions were answered. The data from the respondents were used to achievethe goal of this interdisciplinary research, which was to identify the effect of green walls on the well-being of people. It can be stated that women are more sensitive to changes than men. Following the measurements, it can be stated that the green wall is very favorable for indoor environments. The optimum relative air humidity in rooms such as classrooms, hotels and theaters is from 30% to 70%. From a relative humidity perspective, green walls appear to be beneficial for indoor buildings.

scholarly journals The influence of green walls on interior climate conditions and human health

2019 ◽  
Vol 282 ◽  
pp. 02041
Author(s):  
Jitka Peterková ◽  
Magdaléna Michalčíková ◽  
Vítězslav Novák ◽  
Richard Slávik ◽  
Jiří Zach ◽  
...  
Keyword(s):  
Relative Humidity ◽  
Human Health ◽  
Well Being ◽  
Interior Space ◽  
Green Wall ◽  
Climate Conditions ◽  
Limit Value ◽  
Technical Requirements ◽  
Green Walls ◽  
Mental Well Being

In recent years, many researchers have addressed the issue of interior climate and how it affects human health. Investigations performed at schools and office buildings have found that CO2 concentrations often exceed the limit value of 1500 ppm given in Decree No. 20/2012 Coll., on technical requirements for buildings. In addition, interior space often exhibits very low relative humidity. This results in poor conditions that are detrimental to human health and not conducive to studying and work. One means of improving the interior microclimate is implementing green walls. These walls can help generate a much better climate and greatly enhance the mental well-being of the inhabitants. In addition, they greatly improve dust levels and acoustics in the room. The research compared the interior conditions in two classrooms at the Faculty of Civil Engineering, Brno University of Technology. One had a green wall installed while the other was in its original configuration. CO2 concentration, temperature, and relative humidity were measured. A survey was conducted to assess the influence of the green wall on students and teachers (mental well-being, efficiency, productivity, creativity, etc.). Results obtained thus far show that the room with the green wall provides far better interior conditions, mainly in terms of lower CO2 concentration and higher relative humidity, improving students’ and teachers’ mood and health (as confirmed by the survey as well).

Effect of Green Wall Modules on Air Temperature and Humidity

2018 ◽  
Author(s):  
Peter Abdo ◽  
B. P. Huynh ◽  
Vahik Avakian
Keyword(s):  
Air Quality ◽  
Air Temperature ◽  
Cooling System ◽  
Ambient Conditions ◽  
Closed Chamber ◽  
Green Wall ◽  
Active Systems ◽  
Temperature And Humidity ◽  
Air Layers ◽  
Insulation Effect

Green or living walls are active bio-filters developed to enhance air quality. Often, these walls form the base from which plants are grown; and the plant-wall system helps to remove both gaseous and particulate air pollutants. They can be classified as passive or active systems. The active systems are designed with ventilators which force air through the substrate and plant rooting system, therefore the air is purified and filtered through a bio-filtration process which also acts as a natural cooling system. Their benefits include temperature reduction, improvement of air quality and reduction of air pollution, oxygen production as well as the social and psychological wellbeing. They can produce changes in the ambient conditions (temperature and humidity) of the air layers around them which create an interesting insulation effect. The effect of green wall modules on the air temperature and on humidity is investigated in this work. A closed chamber made of acrylic sheets is used to monitor the temperature and humidity variation caused by a green wall module placed at its center. A fan positioned at the back center of the module drives air at ambient conditions and direct it into the module. Temperature and humidity are measured at different locations inside the chamber during operation for different modules with different plant species. The effect of changing the surrounding ambient conditions is also investigated.

scholarly journals Indoor Air Temperature and Agitation of Nursing Home Residents With Dementia

2017 ◽  
Vol 32 (5) ◽  
pp. 272-281 ◽  
Author(s):  
Federico Tartarini ◽  
Paul Cooper ◽  
Richard Fleming ◽  
Marijka Batterham
Keyword(s):  
Nursing Home ◽  
Air Temperature ◽  
Indoor Air ◽  
Nursing Home Residents ◽  
Well Being ◽  
Aged Care ◽  
Cumulative Exposure ◽  
Care Providers ◽  
Delivery Of Care ◽  
Total Frequency

This study aimed to determine the specific correlation between indoor air temperature and agitation of nursing home residents with dementia. Agitated behaviors of 21 residents, living in 1 nursing home, were assessed for a 10-month period using the Cohen-Mansfield Agitation Inventory (CMAI). The CMAI Total Frequency scores were found to increase significantly when indoor average temperatures deviated from 22.6°C. In addition, cumulative exposure to temperatures higher than 26°C and lower than 20°C was linearly correlated with CMAI Total Frequency scores. Results showed that agitated behaviors not only affected the person manifesting them but were found to be disruptive for other residents and the delivery of care. Agitation can, therefore, be potentially reduced by limiting the range of indoor air temperature variations, and aged care providers should ensure that a thermally comfortable environment is provided in nursing homes to enhance comfort and well-being of all occupants.

scholarly journals The effect of humidity and temperature on human well-being in the forest and on open terrain

2016 ◽  
Vol 77 (2) ◽  
pp. 151-157 ◽  
Author(s):  
Ewa Dragańska ◽  
Monika Panfil ◽  
Zbigniew Szwejkowski
Keyword(s):  
Relative Humidity ◽  
Air Temperature ◽  
Reference Value ◽  
Well Being ◽  
Forest Area ◽  
Night Temperature ◽  
Hot Days

Abstract Between 01.01.2010 and 31.12.2011, we conducted measurements of air temperature and relative humidity at points located deep within forest area, along the edge of the forest in the immediate vicinity of a lake and in open terrain. The thermal and humidity conditions that have a stimulating effect on human well-being were determined for the selected locations by calculating the number of hot (tmax ≥ 25°C) and very hot days (tmax ≥ 30°C) as well as the number of frosty (tmax < 0°C) and very frosty days (tmin ≤ −10°C). The range of the stimulatory effect on human well-being by temperature was determined based on changes in the average night temperature and the amplitude of the daily air temperature. Stimulating humidity conditions were determined by comparing the the relative humidity to a reference value associated with a moist feeling and calculating the number of humid days (s ≥18.8 mbar).

scholarly journals Comparing Air Temperature and Humidity in a Vestibule without and with Green Wall

Proceedings ◽  
2018 ◽  
Vol 2 (11) ◽  
pp. 633
Author(s):  
Zuzana Poorova ◽  
Mohammed Salem Alhosni ◽  
Peter Kapalo ◽  
Zuzana Vranayova
Keyword(s):  
Air Temperature ◽  
Doctoral Study ◽  
Green Wall ◽  
Temperature And Humidity ◽  
Living Wall ◽  
Green Walls ◽  
Technical University

The paper is a part of ongoing doctoral study focusing on interior green walls and their qualities. The paper describes living wall built in entrance hall in the laboratory of Technical University of Košice, its construction, irrigation and vegetation; the most important segments of every living wall. The research deals with effect of green wall on air temperature and humidity in the room and compares it with air temperature and humidity in the room without green wall.

scholarly journals Cooling and Energy-Saving Performance of Different Green Wall Design: A Simulation Study of a Block

Energies ◽  
2019 ◽  
Vol 12 (15) ◽  
pp. 2912 ◽  
Author(s):  
Jiayu Li ◽  
Bohong Zheng ◽  
Wenquan Shen ◽  
Yanfen Xiang ◽  
Xiao Chen ◽  
...  
Keyword(s):  
Surface Temperature ◽  
Energy Saving ◽  
Air Temperature ◽  
Cooling Power ◽  
Wall Surface ◽  
Low Carbon ◽  
Outdoor Air ◽  
Green Wall ◽  
Green Walls ◽  
Wall Surface Temperature

To mitigate the urban heat island (UHI) and release the low carbon potential of green walls, we analyzed the cooling and energy-saving performance of different green wall designs. Envi-met was applied as the main simulation tool, and a pedestrian street named Yuhou Street was selected as the study object. Four designs of walls were summarized and simulated, demonstrating the living wall system (LWS). Super soil had superiority in cooling and energy saving. Outdoor air temperature, indoor air temperature, outside wall surface temperature, and inside wall surface temperature were analyzed. Apart from the outdoor air temperature, the other three temperatures were all significantly affected by the design of green walls. Finally, energy savings in building cavities were determined. The indoor energy saving ratio of the LWS based on super soil reached 19.92%, followed by the LWS based on boxes at 15.37%, and green facades wall at 6.29%. The indoor cooling powers on this typical day showed that the cooling power of the LWS based on super soil was 8267.32 W, followed by the LWS based on boxes at 6381.57 W, and green facades wall at 2610.08 W. The results revealed the difference in cooling and energy-saving performance of different green walls in this typical hot summer area.

Effect of Passive Green Wall Modules on Air Temperature and Humidity

2018 ◽  
Author(s):  
Peter Abdo ◽  
B. P. Huynh
Keyword(s):  
Air Quality ◽  
Air Temperature ◽  
Ambient Conditions ◽  
Closed Chamber ◽  
Green Wall ◽  
Active Systems ◽  
Temperature And Humidity ◽  
Air Layers ◽  
Insulation Effect ◽  
Green Walls

Green walls are bio-filters developed to enhance air quality. Often, these walls form the base from which plants are grown; and the plant-wall system helps to remove both gaseous and particulate air pollutants. Green walls can be found indoors or outdoors and they are classified as passive or active systems. Their benefits include temperature reduction, improvement of air quality and reduction of air pollution, oxygen production as well as the social and psychological wellbeing. They can produce changes in the ambient conditions (temperature and humidity) of the air layers around them which create an interesting insulation effect. The effect of passive green wall modules on the air temperature and on humidity is investigated in this work. A closed chamber made of acrylic sheets is used to monitor the temperature and humidity variation caused by a green wall module placed at its center. Temperature and humidity are measured at different locations inside the chamber during operation for different modules with different plant species.

scholarly journals An urban ecohydrological model to quantify the effect of vegetation on urban climate and hydrology (UT&C v1.0)

2020 ◽  
Vol 13 (1) ◽  
pp. 335-362 ◽  
Author(s):  
Naika Meili ◽  
Gabriele Manoli ◽  
Paolo Burlando ◽  
Elie Bou-Zeid ◽  
Winston T. L. Chow ◽  
...  
Keyword(s):  
Air Temperature ◽  
Urban Climate ◽  
Well Being ◽  
Urban Trees ◽  
Outdoor Thermal Comfort ◽  
Balance Model ◽  
Simultaneous Increase ◽  
Ground Vegetation ◽  
Area Index ◽  
Ecohydrological Model

Abstract. Increasing urbanization is likely to intensify the urban heat island effect, decrease outdoor thermal comfort, and enhance runoff generation in cities. Urban green spaces are often proposed as a mitigation strategy to counteract these adverse effects, and many recent developments of urban climate models focus on the inclusion of green and blue infrastructure to inform urban planning. However, many models still lack the ability to account for different plant types and oversimplify the interactions between the built environment, vegetation, and hydrology. In this study, we present an urban ecohydrological model, Urban Tethys-Chloris (UT&amp;C), that combines principles of ecosystem modelling with an urban canopy scheme accounting for the biophysical and ecophysiological characteristics of roof vegetation, ground vegetation, and urban trees. UT&amp;C is a fully coupled energy and water balance model that calculates 2 m air temperature, 2 m humidity, and surface temperatures based on the infinite urban canyon approach. It further calculates the urban hydrological fluxes in the absence of snow, including transpiration as a function of plant photosynthesis. Hence, UT&amp;C accounts for the effects of different plant types on the urban climate and hydrology, as well as the effects of the urban environment on plant well-being and performance. UT&amp;C performs well when compared against energy flux measurements of eddy-covariance towers located in three cities in different climates (Singapore, Melbourne, and Phoenix). A sensitivity analysis, performed as a proof of concept for the city of Singapore, shows a mean decrease in 2 m air temperature of 1.1 ∘C for fully grass-covered ground, 0.2 ∘C for high values of leaf area index (LAI), and 0.3 ∘C for high values of Vc,max (an expression of photosynthetic capacity). These reductions in temperature were combined with a simultaneous increase in relative humidity by 6.5 %, 2.1 %, and 1.6 %, for fully grass-covered ground, high values of LAI, and high values of Vc,max, respectively. Furthermore, the increase of pervious vegetated ground is able to significantly reduce surface runoff.

RESEARCH OF METEOROLOGICAL AND HYDROLOGICAL PARAMETERS OF THE CAUCASUS REGION

2021 ◽  
Vol 81 (2) ◽  
pp. 114-124
Author(s):  
BOZIEVA ZHANNA CH. ◽  
◽  
AGOEVA ELEONORA A. ◽  
ITTIEV ABDULLAX B. ◽  
◽  
...  
Keyword(s):  
Climate Change ◽  
Air Temperature ◽  
Hydrological Cycle ◽  
Atmospheric Precipitation ◽  
Surface Air Temperature ◽  
Well Being ◽  
Extreme Weather Events ◽  
The Caucasus ◽  
The Impact ◽  
The Relationship

The negative effects of global climate change and the impact of rising surface air temperatures are already evident. Among the many echoes of these processes are the melting of glaciers, the reduction of the ice cover of the northern seas, the gradual disappearance of permafrost, sea level rise, soil erosion, and extreme weather events such as floods, hurricanes, droughts, and forest fires. As a result, the world's freshwater resources, public health and the well-being of the environment are under threat. Annually renewable fresh water resources, represented by the annual flow of rivers, are of undoubted value. Our goal was to identify the relationship of meteorological parameters, such as surface air temperature and precipitation in the high-altitude region of the Central Caucasus, with water consumption in the lowland territory of the Caucasus on the example of the river.Terek (art. Kotlyarevskaya). These studies are particularly valuable from the point of view of the relationship between climate change and its further impact on the hydrological cycle of the lowland regions of the Caucasus. In the course of the research, the relationship was revealed, indicating that the distribution of river flow over the territory of the Caucasus corresponds to the distribution of the annual amounts of surface air temperature and the annual amounts of atmospheric precipitation.

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