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Building and environment 44건

  1. [해외논문]   Three-dimensional model of air speed in the secondary zone of displacement ventilation jet   SCIE

    Magnier-Bergeron, Laurent (Department of Building, Civil and Environmental Engineering, Concordia University, 1455 de Maisonneuve Blvd. W, Montreal, Quebec H3G 1M8, Canada ) , Derome, Dominique (Laboratory for Multiscale Studies in Building Physics, EMPA, Duebendorf, Switzerland ) , Zmeureanu, Radu (Department of Building, Civil and Environmental Engineering, Concordia University, 1455 de Maisonneuve Blvd. W, Montreal, Quebec H3G 1M8, Canada)
    Building and environment v.114 ,pp. 483 - 494 , 2017 , 0360-1323 ,

    초록

    Abstract This paper presents a new three-dimensional model for the distribution of air speed in the secondary zone of a displacement ventilation jet, combining both physical analysis and correlations-based models. For this purpose the measurements on two wall-mounted DV diffusers are used along with other published data. The maximum air speed at the end of primary zone is predicted by using the supplying conditions at the outlet, the thickness of air jet at the end of the primary zone, and the air entrainment in the jet. The longitudinal profile of maximum air speed in secondary zone is modeled using a new normalization and a generalized profile developed using correlation-based models obtained from experimental data. The vertical and transversal air speed profiles are also presented and analyzed. Finally all air speed profiles in the secondary zone are combined into a three-dimensional air speed model in the DV jet. Highlights New DV model is proposed by decoupling the primary and secondary zones. A correlation model of the air speed in the secondary zone of a DV jet is presented. Generalized equation for the air speed decay in the secondary zone is developed.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  2. [해외논문]   Ten questions concerning modeling of wind-driven rain in the built environment   SCIE

    Derome, Dominique (Laboratory of Multiscale Studies in Building Physics, Empa, 8600 Dübendorf, Switzerland ) , Kubilay, Aytaç (Laboratory of Multiscale Studies in Building Physics, Empa, 8600 Dübendorf, Switzerland ) , (Laboratory of Multiscale Studies in Building Physics, Empa, 8600 Dübendorf, Switzerland ) , Defraeye, Thijs (Department of the Built Environment, Eindhoven University of Technology, P.O. Box 513, 5600 Eindhoven, The Netherlands ) , Blocken, Bert (Laboratory of Multiscale Studies in Building Physics, Empa, 8600 Dübendorf, Switzerland) , Carmeliet, Jan
    Building and environment v.114 ,pp. 495 - 506 , 2017 , 0360-1323 ,

    초록

    Abstract Wind-driven rain (WDR) in the built environment is a complex multiscale phenomenon. Wind flows in complex urban environment and rain events of various intensities may lead to very different rain deposition distributions within the city. Proper modeling of WDR is required as moisture is a main cause of material degradation in the built environment but also as understanding the water cycle in the urban environment is essential to provide solutions for the urban heat island, amongst others. What are the main aspects to be taken into account to predict wind-driven rain? How should such aspects be considered and modeled? Is it possible and relevant to predict in detail the moisture loads due to rain in complex systems as cities? This paper answers these questions from a multiscale perspective combining modeling and experimental work. The different scales relevant for accurate estimation of wind-driven rain in the built environment are presented. Rain deposition on complex geometries can be modeled by CFD, taking into account turbulent dispersion. Such modeling provides the impact velocity and angle of attack for each droplet size at any location on the urban surfaces. Using this information and the structure of the surface, the fate of the rain droplets can be predicted, namely whether it splashes, bounces or simply spreads. Highlights Wind-driven rain (WDR) in the built environment is a complex multiscale phenomenon. The main aspects to be taken into account to predict wind-driven rain and how should such aspects be considered and modeled. The different scales relevant for accurate estimation of wind-driven rain in the built environment are presented.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  3. [해외논문]   Ten questions concerning inclusive design of the built environment   SCIE

    Heylighen, Ann (Corresponding author.) , Van der Linden, Valerie , Van Steenwinkel, Iris
    Building and environment v.114 ,pp. 507 - 517 , 2017 , 0360-1323 ,

    초록

    Abstract In recent years, the design community has witnessed the development of several design approaches aimed at taking into account the diversity of human abilities and conditions during design. One of these approaches is inclusive design, used here as an umbrella term to cover also universal design and design for all. This article addresses some of the common questions that arise when inclusive design is considered in relation to the built environment. It discusses how inclusive design is defined and interpreted, what its relevance, implications and challenges are in relation to the built environment, how it relates to other significant design issues, and how it can be fostered in the future. This introduction to the idea of inclusive design is of interest to built environment professionals and researchers seeking a more holistic approach to the built environment. Foregrounding the diversity in human interactions with the built environment supports reflection on the human impact of design decisions. By offering diverse spatial qualities and use opportunities, inclusive design has the potential to help addressing the challenges of our diverse and ageing society in a sustainable way. Highlights Inclusive design aims at taking into account people's diversity as much as possible. Inclusive design is a design approach of current interest that concerns all of us. Inclusive design has the potential to contribute to sustainability. Inclusive design affects different scales of the built environment. Its uptake may be fostered by involving user/experts and integration in education.

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  4. [해외논문]   Ten questions concerning occupant behavior in buildings: The big picture   SCIE

    Hong, Tianzhen (Building Technology and Urban Systems Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA ) , Yan, Da (School of Architecture, Tsinghua University, Beijing 100084, China ) , D'Oca, Simona (Building Technology and Urban Systems Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720, USA ) , Chen, Chien-fei (Department of Sociology, University of Tennessee, 1520 Middle Drive, Knoxville, TN 37996, USA)
    Building and environment v.114 ,pp. 518 - 530 , 2017 , 0360-1323 ,

    초록

    Abstract Occupant behavior has significant impacts on building energy performance and occupant comfort. However, occupant behavior is not well understood and is often oversimplified in the building life cycle, due to its stochastic, diverse, complex, and interdisciplinary nature. The use of simplified methods or tools to quantify the impacts of occupant behavior in building performance simulations significantly contributes to performance gaps between simulated models and actual building energy consumption. Therefore, it is crucial to understand occupant behavior in a comprehensive way, integrating qualitative approaches and data- and model-driven quantitative approaches, and employing appropriate tools to guide the design and operation of low-energy residential and commercial buildings that integrate technological and human dimensions. This paper presents ten questions, highlighting some of the most important issues regarding concepts, applications, and methodologies in occupant behavior research. The proposed questions and answers aim to provide insights into occupant behavior for current and future researchers, designers, and policy makers, and most importantly, to inspire innovative research and applications to increase energy efficiency and reduce energy use in buildings. Highlights A big picture of building energy–related occupant behavior research is offered. Advantages and challenges of integrating behavior in building life cycle are discussed. Advances in behavior sensing, analytics, modeling, and simulation are presented. An interdisciplinary perspective incorporating social science and engineering research is outlined. Future research and information sources are recommended.

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