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A myth? Sustainable tourism as a tool for rescuing traditional spaces: A case study from Turkey, Ankara
(2012) Özcan, Zühal; Ayalp, Nur; Aktaş, G. Güner; 05.01. İç Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
A myth? Sustainable tourism as a tool for rescuing traditional spaces: a case study from Turkey, Ankara Z. Ozcan, N. Ayalp & G. Guner Aktas TOBB University of Economics and Technology, Turkey Abstract The concept of social sustainability should be considered and investigated in developing the conditions of traditional urban spaces. Sustainable tourism can be a basic tool for the physical conservation of architectural heritage. The traditional spaces regain considerable visual and economical value with tourism investments but the social reactions are to the contrary. In the content of the study, two different characteristically spaces were selected in the city of Ankara. The selected urban core was composed of 19th century Ottoman dwellings called \“Hamamonu” which have not been considered for a long time. The local municipality developed a project to rehabilitate a part of this area with the help of tourism and left the other part untouched \“Hamamarkasi”. Social, physical and spatial aspects will be questioned and the opinions of respondents will be output about the rehabilitation project. Keywords: sustainable tourism, traditional space, hamamönü, hamamarkası. 1 Introduction The oldest urban core of a settlement covers special spaces that help to differentiate it from the others with its original spatial character. In developing countries like Turkey, they are \“lost” urban spaces turned to squatter zones, composed of \“unpopular” traditional dwellings. Deterioration of the physical space is also the indicator of social change. The new housing zones lead to a social migration from the traditional urban core, leaving the place to lower income groups unaware of their possession responsibilities, resulting in the further collapse of the architectural indoor and outdoor spaces. In several cases, it is observed that not only the physical spaces but also the user profile changes Sustainable Tourism V 297
Citation - WoS: 7
Citation - Scopus: 7
The Acoustic Characterization of Worship Ambiance and Speech Intelligibility in Wooden Hypostyle Structures: The Case of the Aslanhane Mosque
(Springer Singapore Pte Ltd, 2021) Kitapci, Kivanc; Celik Basok, Gulsah; 275153; 118348; 05.01. İç Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
The challenge in the acoustics design of the traditional mosque is twofold. First, the interior atmosphere of the space should create a sacred feeling on the users' holistic and phenomenological spatial perception, which is generally recognized as a direct effect of increased reverberation time (T30) and low clarity (C80). Second, speech should be adequately intelligible, which requires a low T30 and high speech clarity, contradicting the initial concern of the sacred atmosphere. We hypothesize that in Islamic architecture, wooden hypostyle mosques may comply better with the reverberation time requirements of speech intelligibility, while maintaining the sacred feeling, due to their comparatively absorptive surface finishing materials and structural elements. The Aslanhane Mosque is a unique sacred structure within its era of construction, well-known with its wooden columns and ceiling. It is an important case for room acoustics analysis of such holy spaces. This study aimed to analyze the room acoustic measurement results of the Aslanhane Mosque, evaluating the intelligibility of speech and interpreting the sacred feeling created by reverberance, envelopment, and spaciousness, which are all crucial in such holy structures. It is revealed that although the Aslanhane Mosque's subjective rating for speech intelligibility is "good," the overall low volume of the mosque and the lack of surface reflections decrease the sacred sensation. Additionally, the intelligibility of speech is vulnerable to obstacles within the line of sight, such as load-bearing columns. Lastly, it was observed that the increase in T30 at low frequencies improved the sacred sensation, envelopment, and spaciousness, without any profound negative impact on the intelligibility of speech.
An innovative safety education method for architectural faculties to promote a culture of prevention in line with a “Vision Zero approach”
(2022) Akan, Aslı Er; Yeşilbağ, Damla; Alevsaçanlar, Yeliz; Karaman, Gülşah D.; 05.03. Şehir ve Bölge Planlama; 05.02. Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
Occupational safety and health (OHS) education in universities has an important role in developing and improving safety cultures in the workplace. Safety education is essential for improving necessary OSH skills, culture and knowledge, so do architects, urban planners, interior architects whose duties are regarded as the design, planning and execution of construction projects in high-risk sectors. As a consequence, there has been increasing recognition that safety education courses in the architecture faculties should have participative learning methods and resources. In order to increase preparedness for any potential future health crises parallel to the “Vision Zero” approach in work-related deaths, a new EU Strategic Framework was announced by the European Commission. The course described and proposed here aimed to raise awareness about OHS by teaching risks related to working environments, basic issues, basic legislation within the scope of OHS. It also aimed to cover professional liability with respect to OHS, and risks and hazards in the construction sector, as well as helping participants to analyze and evaluate the risks in workplace. This article’s primary objective is to identify an innovative safety education model of the “occupational health and safety course” with a “Vision Zero” approach.
Citation - WoS: 57
Citation - Scopus: 74
Analyzing the Compliance and Correlation of Leed and Breeam by Conducting a Criteria-Based Comparative Analysis and Evaluating Dual-Certified Projects
(Pergamon-elsevier Science Ltd, 2019) Suzer, Ozge; 27418; 01. Çankaya Üniversitesi; 05. Mimarlık Fakültesi; 05.01. İç Mimarlık
Certified green buildings are known to demonstrate high environmental performance; however, it is still not clear where they stand among each other, unless certified by the same body. This study aims to examine the compliance and correlation between the most prominent green building rating systems, LEED and BREEAM. It also estimates how a project would be graded by one system if already certified by the other. Regarding the methodology of the study, the intents of evaluation criteria in the latest versions for new constructions of LEED and BREEAM are analyzed. Commonly addressed and different concerns are determined, and the scales for assigning their award levels are compared. It is observed that they have a high level of compliance because 83% of the environmental concerns are commonly addressed issues. Moreover, it is derived that a dual-certified project aiming to achieve the same award level in both assessments has to display a better performance in BREEAM as it includes a higher number of concerns to be fulfilled. Based on the correlation analyses on twenty dual-certified buildings, the results from the scatter plot diagram, Pearson's Correlation Coefficient (r) and Paired Samples t-Test show that there is a large positive linear correlation and that LEED scores are significantly higher than BREEAM scores. Furthermore, the difference between the averages of LEED and BREEAM scores and the average difference between award levels indicate that if there would be a difference in ratings of dual-certified projects, it would be in favor of LEED by one award level.
Art Deco Hakkı Yenmiş Bir Üslup ve Türkiye - Ankara’dan Yansımaları
(2018) Özcan, Zühal; 01. Çankaya Üniversitesi
Hayat fiziki olarak içinde geçtiği için, mimarlığın insanlar üzerinde güçlü bir etkisi vardır. Mimarlık eserlerinin ifadesi zamana, yer ve toplumlara göre değişiklikler gösterir. Bu değişiklikler gözlemlenmiş ve genel olarak “üslȗp” diye adlandırılmışlardır. Sükȗnet ve durağanlığın hâkim olduğu Eski Çağlar’da üslȗpların uygulanması çok yavaş olmuştur. Üslȗp değişimlerinin hızı teknolojik gelişmelere bağlı olarak giderek arttı, o kadar ki bir insan ömrü içindeki değişimlerin hızını takip etmek çok güç. İçinde yaşanılan dönem içerisinde oluşan üslȗpları ayırt etmek güçtür fakat geçmiş dönemler incelendiğinde görebilmek kolaydır. Bununla birlikte, gündelik hayatı kontrol eden günlük nesneler, yapılar ve hatta yerleşimler incelendiğinde, belli bir üslȗbu tanımlayabilmek mümkündür. Her dönem insan eliyle yaratılmış her şey üzerinden gözlemlenebilecek belli bir estetik anlayışı yansıtır. Bu noktadan hareketle, 20. yüzyıla hükmeden temel üslȗp Modernizm olarak adlandırılabilir. Öte yandan mimaride ve tasarımda Modern Hareket kendi içinde çeşitlemeler ya da dallar içerir. Bunlardan bazıları belirgin ve güçlüyken bir kısmı da gölgede kalmışlardır. Art Deco bu ikinci gruptandır ve bu nedenle bu makalenin konusu olarak seçilmiştir.
Assessment of Daylighting in a Historical Educational Building: Ankara University Faculty of Science Analytical Chemistry Laboratory
(Znack Publishing House, 2023) Avci, Ayse Nihan; 237970; 05.01. İç Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
The conditions of Ottoman architecture persisted during the republican period at the turn of the 20th century. Later, radical changes in the structure of the state affected the field of architecture, and changes in the world were reflected in our country. The structures that are the subject of architectural debates are typically early republican period buildings, which were built between 1920s and 1950s. On the other hand, in past buildings, the interior de-sign criteria that are important for the user in interior design have been the subject of interest in various disciplines. Lighting - daylighting and electric lighting - in different interiors is one of the design criteria that has intrigued many researchers. Laboratories, classrooms, studios, circulation areas, administrative spaces, offices, conference rooms, and wet spaces are all common features of educational buildings. Each of these spaces has unique lighting requirements. The aim of this study is to assess the daylighting performance in the interior and encourage similar studies in historical educational buildings rather than the architectural design of these buildings. Daylighting performance was assessed in the analytical chemistry laboratory at the Ankara University Faculty of Science, block A, which was built during the Second National Architectural Movement and bears the traces of Sedad Hakki El-dem, Emin Onat, and Paul Bonatz. A morning interval (10:00-11:00) where the courses are considered the most productive was chosen for the evaluation. The results were compared and interpreted with the values specified in the standards; the measurement is limited to the day and time interval. Keywords: daylighting, the Second National Architectural Movement, Ankara, Faculty of Science, educational building, analytical chemistry laboratory
Citation - WoS: 5
Citation - Scopus: 6
Audio-Visual Interactions and the Influence of Colour on Noise Annoyance Evaluations
(Springer Singapore Pte Ltd, 2021) Kitapci, Kivanc; Akbay, Saadet; 275153; 21742; 05.01. İç Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
This study aims to examine the influence of colour exposure on noise annoyance. Previous studies in the literature have focused mostly on the effects of colour exposure on loudness judgements; however, due to the cognitive nature of multisensory perception, the influence of colour on noise annoyance also needs to be investigated. Our experiments were designed to administer non-information-carrying sound signals (i.e. white noise) and visual stimuli (i.e. abstract colour samples) and to limit visual and auditory contextual information. Participants were asked to evaluate noise annoyance on an 11-point International Commission on Biological Effects of Noise (ICBEN) scale. The experiments were conducted in the form of audio-visual tests. During these tests, random combinations of three white noise sound samples with sound pressure levels of 66 dB(A) (-4 dB[A] acoustic condition), 70 dB(A) (0 dB[A] acoustic condition) and 74 dB(A) (+4 dB[A] acoustic condition), and six visual stimuli, including the elementary colours of the Natural Colour System (NCS)-yellow (Y), red (R), blue (B), green (G), white (W) and black (S)-were presented to a total of 42 participants. The black colour sample was used to measure the audio-only control condition for the three white noise sound samples. The results of the study reveal that the effects of sound, the effects of colour and the interaction effects of colour and sound on perceived noise annoyance were statistically significant. The effects of colour on the loudness evaluations of the previous studies and the effects of colour on noise annoyance evaluations presented in this study show very similar and concordant results, indicating that the effects of colour on noise annoyance depend on the sound pressure level (SPL). The results indicate that the hue contrasts of red-green, red-blue and yellow-blue and the lightness contrast of yellow-blue influenced perceived noise annoyance when the SPL was low or high. Within the contrast pairs, red and yellow were perceived to be annoying, whereas blue and green were perceived to be non-annoying.
Aydınlık düzeylerinin kullanıcının okuma hızı ve görsel konforu üzerindeki etkisi
(2016) Avcı, Ayşe Nihan; Memikoğlu, İpek; 237970; 19105; 05.01. İç Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
City versus suburb: The effects of neighborhood location on place attachment and residential satisfaction
(2017) Aksel, Elif; İmamoğlu, Çağrı; 275155; 05.01. İç Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
Color Perception in Correlated Color Temperature of Led Lighting
(2018) Akbay, Saadet; Avcı, Ayşe Nihan; 21742; 237970; 05.01. İç Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
Color and light are inseparable entities that are the essential design factors in the field of interior architecture. When the light changes, the perceived color appearance of a surface within an interior environment also changes. The change in color perception is not only related to the type of a light source or the intensity of illumination, but also to the correlated color temperature (CCT) of a light source. The aim of this study is to understand how different CCTs of light-emitting diode (LED) lighting influence the color perception. A study is conducted to compare the perceptive color tendencies for inherent colors under two different CCTs of LED lighting, i.e. warm (2700º K) and cool (4000º K). In the study, Natural Color System (NCS) is utilized as a color notation system to reveal the possible tendencies and patterns concerning the relationship between the inherent and perceived colors. The general tendencies for the perceived colors revealed similar patterns in the nuance (i.e. blackness and chromaticness) color area for each inherent color and showed dispersion on the hue color area under the CCTs of both 2700º K and 4000º K LED lighting.
Citation - WoS: 110
Citation - Scopus: 126
A Comparative Review of Environmental Concern Prioritization: Leed Vs Other Major Certification Systems
(Academic Press Ltd- Elsevier Science Ltd, 2015) Suzer, Ozge; 27418; 01. Çankaya Üniversitesi; 05. Mimarlık Fakültesi; 05.01. İç Mimarlık
The matter of environmental concern prioritization integrated into globally used green building rating systems is a fundamental issue since it determines how the performance of a structure or development is reflected. Certain nationally-developed certification systems are used globally without being subjected to adjustments with respect to local geographical, cultural, economic and social parameters. This may lead to a situation where the results of an evaluation may not reflect the reality of the region and/or the site of construction. The main objective of this paper is to examine and underline the problems regarding the issue of weighting environmental concerns in the Leadership in Energy and Environmental Design (LEED) certification system, which is a US-originated but globally used assessment tool. The methodology of this study consists of; (i) an analysis of the approach of LEED in the New Construction and Major Renovations scheme in version 3 (LEED NC, v.3) and the Building Design and Construction scheme in version 4 (LEED BD + C, v.4), (ii) case studies in which regional priority credits (RPCs) set by LEED for four countries (Canada, Turkey, China and Egypt) are criticized with respect to countries' own local conditions, and, (iii) an analysis of the approaches of major environmental assessment tools, namely; BREEAM, SBTool, CASBEE and Green Star, in comparison to the approach in LEED, regarding the main issue of this paper. This work shows that, even in its latest version (v.4) LEED still displays some inadequacies and inconsistencies from the aspect of environmental concern prioritization and has not yet managed to incorporate a system which is more sensitive to this issue. This paper further outlines the differences and similarities between the approaches of the aforementioned major environmental assessment tools with respect to the issue of concern and the factors that should be integrated into future versions of LEED. (C) 2015 Elsevier Ltd. All rights reserved.
Citation - WoS: 5
Citation - Scopus: 7
A Comparison of the Cognitive Actions of Designers in Geometry-Based and Parametric Design Environments
(Open House int, 2020) Pektas, Sule Tasli; Tunger, Cetin; 272043; 01. Çankaya Üniversitesi; 05. Mimarlık Fakültesi; 05.01. İç Mimarlık
Purpose - This paper aims to compare designers' cognitive behaviors in geometry-based modeling environments (GMEs) and parametric design environments (PDEs). Design/methodology/approach - This study used Rhinoceros as the geometric and Grasshopper as the parametric design tool in an experimental setting. Designers' cognitive behaviors were investigated by using the retrospective protocol analysis method with a content-oriented approach. Findings - The results indicated that the participants performed more cognitive actions per minute in the PDE because of the extra algorithmic space that such environments include. On the other hand, the students viewed their designs more and focused more on product user relation in the geometric modeling environment. While the students followed a top-down process and produced less number of topologically different design alternatives with the parametric design tool, they had more goal setting activities and higher number of alternative designs in the geometric modeling environment. Originality/value - This study indicates that cognitive behaviors of designers in GMEs and PDF-s differ significantly and these differences entail further attention from researchers and educators.
Conceptual Framework for a Decision-Making Model Based on the Analytic Hierarchy Process (Ahp) To Select the Best Public Private Partnership (Ppp) Model for Airports
(New Zealand Acad Applied Research Ltd, 2017) Mohammed, Ali Omar; Harputlugil, Timuçin; Harputlugil, Timucin; 40295; Mimarlık; 05.02. Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
The adoption of public-private partnerships (PPPs) as a strategy for infrastructure projects, such as airports, highways, bridges, water supplies, and telecommunication, has been implemented in developed and developing countries with a number of obstacles. Based on this stance, critical success factors (CSFs) of public-private partnership projects and the selection of appropriate PPP models are critical issues that need to be analyzed. A multidisciplinary review of the literature on the critical success factors of public-private partnerships projects reveals the lack of a comprehensive decision-making model for selecting an appropriate PPP model. This paper presents a conceptual framework for a decision-making model to select the best PPP model considering CSFs for developing countries. The model is expected to be used for infrastructure projects, mostly for airports. The decision-making model is structured on the Analytic Hierarchy Process and sensitivity analysis. The decisionmaking model is expected to be adopted as a tool and contribute to decision makers for selecting the best fit PPP model for airports in order to enhance projects successfully.
Citation - WoS: 3
Citation - Scopus: 3
Construing Colours Using Repertory Grid Technique: an Idiographic Approach in Colour Perception
(Wiley, 2022) Akbay, Saadet; Borekci, Naz A. G. Z.; 21742; 01. Çankaya Üniversitesi
This article offers an alternative methodological approach to the exploration of subjective experiences by studying individuals' personal views of perceived colours. The study aims to investigate the construals of individuals related to perceived colours using an idiographic approach. The subjective approach proposed is based on the theory of personal construct psychology and the methodology of the repertory grid technique. A repertory grid experiment was conducted to determine individuals' ways of construing colours and examine the collective understanding of the content and structure of individuals' construals concerning perceived colours. Sixty undergraduate students participated in the experiment, yielding 60 different repertory grids that included a number of personal constructs indicating the construal process of participants in differentiating between 11 basic colours. Participants produced their own semantic bipolar dimensions for comparing the perceived colours and creating differential ratings according to their personal constructs. The elicited data were evaluated using qualitative content analysis to understand the differences between individual systems of constructs and investigate the commonality of shared constructs relating to colours. The data were also analyzed quantitatively to investigate the common structure of and interrelationship between elicited constructs and perceived colours. The outcomes have the potential to contribute to academic and practical knowledge concerning colour perception, as well as encouraging further studies with an idiographic approach.
Cross-Cultural Evaluation of Indoor Soundscape in Residential Areas
(Institute of Noise Control Engineering, 2017) Mohamed, M.A.E.; Dokmeci Yorukoglu, P.N.; 01. Çankaya Üniversitesi
This research establishes the relation between the soundscape perception in a residential context and the acoustic environment of an urban environment, taking into consideration the auditory perception of the space users based on their cultural and social backgrounds. Therefore, a case study is performed using a questionnaire methodology on two groups of people within the same urban environment; Arabic people and Turkish people living in the city of Ankara, Turkey. Moreover, the study ensures a comprehensive use of the soundscape perception evaluation criteria utilized in several studies in the literature. Literature review on related research has been put together through literature matrix method. In this first phase of the study, residential soundscape questionnaire and the methodology is presented. This is an ongoing graduate study and the findings will be presented in the second phase. Through the results of the future analysis, the researchers aim to understand the impacts and variations of cultural and social factors on the soundscape perception. © 2017 Institute of Noise Control Engineering. All rights reserved.
Cultural Soundscape Evaluation on Re-Functionalized Historical Sites with Adaptive Reuse Approach: Ankara Citadel Case
(2021) Dökmeci Yörükoğlu, Papatya Nur; Urak, Zehra Gediz; Erçakmak Osma, Uğur Beyza; 214925; 1487; 05.03. Şehir ve Bölge Planlama; 05.01. İç Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
Cultural soundscaping is a research field that aims preservation and evaluation of the cultural heritage sites’ sound environments, as they are the intangible values that act as a crucial part of the place identity. Different aspects of sounds’ interaction with humans and places have provided that value of soundscape has become significant in heritage sites. The semantic values hidden in the intricate content of soundscapes within an urban context and their cultural values are in the scope of this study. In this sense, a methodological framework is introduced that is merged from the studies on cultural soundscape that are present in the literature. Accordingly, a pilot study was conducted as a case study based on the presented framework. The old city centre of Ankara, where new functions have been assigned with restoration projects in an adaptive reuse approach, and its heritage value from the perspective of its lost and changed soundscape, especially during and after the restoration were considered. Soundwalks and listening points on the pre-identified routes and semantic sound analysis were conducted as a pilot study in order to evaluate the restoration process during construction and after construction period of the sound environment at Ankara Citadel region. The importance of observing, surveying, managing, and preserving the historic sound environment of such historic heritage sites and its importance for the urban habitual life and society are discussed.
Citation - Scopus: 2
Design Strategies for Green/Energy-efficient Building Design: an Apartment Building in the Gaziantep Project
(Springer International Publishing, 2020) Yazıcıoğlu, M.; Tunçer, M.; Çelebi, G.; 238157; 01. Çankaya Üniversitesi; 05. Mimarlık Fakültesi; 05.01. İç Mimarlık; 05.03. Şehir ve Bölge Planlama
The aim of this study is to introduce the energy-efficient architectural design strategies of a project which has been supported by the Turkish Ministry of Environment and Urbanization. This project has not yet been implemented, and the construction process and material choices have not been finalized. Nevertheless, it was considered important to share the design strategies and decisions. The location of the project is in Gaziantep City. The city is located in the southern part of Turkey. Some parts of the province, situated at the transition point of the Mediterranean and continental climate, are influenced by the Mediterranean climate. However, in general, summers are extremely hot and dry, and the winters are cold and rainy. Rare precipitation is most common in winter and spring. In the project, both in planning and architectural designing, the climatic and environment conditions were considered as a basic guider. Five principles were used in the design approach: “green/energy-efficient”, “buildings with identity”, “smart”, “safety”, and “human oriented”. For every principle, different strategies have been analysed and studied. In this study, only the design decisions for a green/energy-efficient building will be presented. While considering the principles and design decisions, strategies will be explained with references from scientific studies. In the green/energy-efficient design approach, the decisions transferred to the physical environment focused on the use of “passive systems”, “active systems”, and “resource conservation and local material use”. In passive solar system, principles such as “natural ventilation and wind control”, “sun control and natural daylighting”, “green roof”, and “envelope design and insulation” are considered and analysed. Solar heating is preferred during heating periods, and wind energy is preferred during cooling periods. Active solar systems were used during the seasons when the requirements were not met. Among the renewable energy sources, it is deemed appropriate to produce electricity from the sun (PV), which is the easiest way to reach and use alternative energy sources. Sun collectors in water heating were used. Also, these systems are integrated into the buildings. The basic approaches that affect the environmental performance of the building are to use local materials and to read the topography and microclimate conditions correctly. One of the most important factors affecting the shaping of the traditional buildings is the surrounding resources. In the construction of buildings, to use materials with the most sustainable resources available in the environment was proposed. Within the context of the principles and strategies mentioned above, projects have been prepared for buildings with different functions. Four- to five-storey apartments, detached houses, religious buildings, educational buildings, cultural centre, health centre, and traditional shopping malls were designed, which are related to planning and landscape principles. In this study, an apartment building will be presented with visual materials from project. © Springer Nature Switzerland AG 2020.
Determination of Considerations in Preference of Baby / Child Room Furniture
(2019) Çelebi Yazıcıoğlu, N. Mine; Yıldırım, Kemal; Kılıç, N. Pelin; 238157; 05.01. İç Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
Effects of Colour on the Sense of Immersion in Virtual Interior Environments
(2021) Gökmenoğlu, Firdevs; Akbay, Saadet; 21742; 01. Çankaya Üniversitesi
This paper investigates the effects of colour on the sense of immersion in virtual interior environments. Since colour in interior environments is vital for the perception of place, the three dimensions of colour, namely hue,saturation, and lightness (HSL), were evaluated as elementsfor transferring colour to virtual environments (VEs). In this context, this study aims to investigate how the sense of immersion in virtual interior environments differs depending on hue, saturation, and lightness and examines the extent to which colour dimensions influence the sense of immersion in VEs. For this, the HSL colour space was utilised to establish varying degrees of colours. An online survey was conducted to understand the people’s sense of immersion in different virtual interior settings. The study’s results suggest that perception of colour influences the sense of immersion in virtual environments.
Effects of LED Lighting on Visual Comfort with Respect to the Reading Task
(2017) Avcı, Ayşe Nihan; Memikoğlu, İpek; 237970; 05.01. İç Mimarlık; 05. Mimarlık Fakültesi; 01. Çankaya Üniversitesi
Lighting systems in interior architecture need to be designed according to the function of the space, the type of task within the space, user comfort and needs. Desired and comfortable lighting levels increase task efficiency. When natural lighting is inadequate in a space, artificial lighting is additionally used to support the level of light. With the technological developments, the characteristics of light are being researched comprehensively and several business segments have focused on its qualitative and quantitative characteristics. These studies have increased awareness and usage of artificial lighting systems and researchers have investigated the effects of lighting on physical and psychological aspects of human in various ways. The aim of this study is to research the effects of illuminance levels of LED lighting on user visual comfort. Eighty participants from the Department of Interior Architecture of Çankaya University participated in three lighting scenarios consisting of 200 lux, 500 lux and 800 lux that are created with LED lighting. Each lighting scenario is evaluated according to six visual comfort criteria in which a reading task is performed. The results of the study indicated that LED lighting with three different illuminance levels affect visual comfort in different ways. The results are limited to the participants and questions that are attended and used in this study.

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