Optimization of daylight utilization in energy saving application on the library in faculty of architecture, design and built environment, Beirut Arab University

Omar, Osama; García-Fernández, Berta; Fernández-Balbuena, Antonio Álvarez; Vázquez-Moliní, Daniel

doi:10.1016/j.aej.2018.10.006

Cited by 25 publications

(13 citation statements)

References 11 publications

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“…An energy model is similar to an architectural model, except it contains thermal areas instead of elements. Studies have examined how energy simulation has been used by a broad range of users, such as architects, and concluded that technology could be used to make a wider range of decisions [36,37].…”

Section: Case Study Assessments Parametersmentioning

confidence: 99%

Evaluating the Impacts of Courtyards on Educational Buildings, Case Study in the University of Sharjah

et al. 2021

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Courtyards are traditionally associated with the Middle East countries, where climate and culture have given shape to a particular type of traditional architecture. The study evaluates the environmental and social impacts of courtyards in an educational building integrated with occupant’s interaction behavior. The case study of the University of Sharjah includes eight different courtyards unoccupied for many years, in different locations around the building with various proportions; the objectives were to examine and evaluate the impact of redesigning the interior spaces of the courtyards in terms of environmental and social aspects. The inductive and experimental approach were adopted in this research, where two surveys were conducted for the occupants, before and after the design applications. In addition to the use of eco-tech software for simulation. In conclusion, the results of surveys and interviews clarified the problem and offered some recommendations and simulation analysis provided recommendations and guidelines for designers.

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Section: Case Study Assessments Parametersmentioning

confidence: 99%

Evaluating the Impacts of Courtyards on Educational Buildings, Case Study in the University of Sharjah

et al. 2021

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“…Perpustakaan membutuhkan pencahayaan yang memadai untuk menunjang produktivitas pengguna perpustakaan. Aktivitas membaca merupakan kegiatan utama yang dilakukan diperpustakaan, sehingga dalam design perpustakaan pencahayaan merupakan aspek yang harus diperhatikan (Omar et al, 2018). Pemilihan lampu yang digunakan secara tepat diperlukan untuk mengetahui tingkat kebutuhan pencahayaan di perpustakaan.…”

Section: Pendahuluanunclassified

Pemilihan Lampu Pada Sistem Pencahayaan Perpustakaan Menggunakan Metode Fuzzy AHP

Apriliana

Suhardi²

2021

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Perpustakaan merupakan aspek penting yang harus ada dalam suatu lembaga pendidikan karena merupakan salah satu sumber pengetahuan dan belajar. Aktivitas membaca merupakan kegiatan utama yang dilakukan di perpustakaan, sehingga aspek pencahayaan merupakan salah satu aspek yang harus diperhatikan untuk menciptakan lingkungan perpustakaan yang baik. Pemilihan lampu sebagai sumber cahaya buatan harus disesuaikan dengan kebutuhan. Pemilihan lampu dapat dilakukan menggunakan metode Multi Atribute Decission Making (MADM). Salah satu metode MADM yang digunakan untuk menganalisis parameter dan kriteria pengambil keputusan yaitu Fuzzy Analytical Hierarchy Process (Fuzzy AHP). Metode Fuzzy AHP merupakan pengembangan dari metode AHP (Analytical Hierarchy Process) yang terdiri dari unsur-unsur matriks yang diwakili oleh bilangan fuzzy. Meskipun AHP bisa digunakan untuk menangani kriteria kuantitatif dan kualitatif pada MADM namun fuzzy AHP dianggap mampu mendeskripsikan keputusan yang samar dengan lebih baik dibandingkan AHP. Selain itu Fuzzy AHP juga mampu menutupi permasalahan subjektifitas pada AHP. Pada penelitian ini pihak yang menjadi responden yaitu beberapa orang yang dianggap ahli dalam memberikan penilaian maupun keputusan yang berhubungan dengan proses pemilihan lampu di perpustakaan. Pihak tersebut adalah Staff Bagian Rumah Tangga selaku pihak yang bertanggung jawab secara administrasi mengenai pengadaan barang di perpustakaan, staff Pengelola BMN bagian listrik selaku pihak yang bertanggung jawab secara teknis mengenai peralatan listrik yang ada di perpustakaan dan staff Unit Layanan Pengadaan selaku pihak yang bertanggung jawab terhadap pengadaan barang. Terdapat tiga alternatif merk lampu yang digunakan dalam penelitian ini yaitu Philips, Hannoch dan OSRAM. Tiga alternatif merk lampu tersebut digunakan karena memiliki produk dengan nilai lumen yang sesuai dengan kebutuhan lumen tiap lampu di Perpustakaan. Berdasarkan hasil perankingan menggunakan metode fuzzy AHP diperoleh hasil bahwa lampu yang terpilih pada prioritas satu yaitu Philips dengan bobot sebesar 43%, prioritas dua yaitu OSRAM dengan bobot sebesar 38%, dan prioritas tiga yaitu Hannoch dengan bobot sebesar 18%.

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“…With this proposal we offers new insights into a case study providing an efficient lighting design for library installations. After examine the conditions of indoor daylight and the library's energy performance in the faculty of Architecture, Design and Built Environment, Beirut Arab University with architectural elements as space depth, window size, external obstruction angle, and glazing visible transmittance [16]. In this case, the insufficient amount of natural daylight within the space itself, produces a high consumption of artificial light during the day, hence consuming higher amounts of energy.…”

Section: Daylighting Design For Library Installationsmentioning

confidence: 99%

Efficient and sustainable energy lighting solutions

Garcı́a-Botella

Vázquez-Moliní

García-Fernández

et al. 2019

Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVI

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The electric lighting is responsible for 15% of the electricity consumption, the efficiency in this sector has a good progress in recent years, it can still improve more. Conventional energy sources are polluting and limited, so it is essential to use less aggressive energies with the environment. In lighting, this premise is being implemented in a cross-cutting manner, but in response to varied and sometimes contradictory interests. The development of lighting devices based on solar radiation is an inalienable objective, as is the use of artificial lighting sources that are clean with the environment. To achieve these two objectives, it is essential to know and study the design techniques of non-image optics. In the present work we present new systems design techniques and lighting elements: ray tracing optimization technique, light vector field technique. As well as its implementation and application in various areas of lighting: lighting in office buildings, libraries museums. We show that renewable energy strategy in the field of lighting not only produce energy save, also produce good effects in other aspects of human life like well-being, productivity and heritage conservation.

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Optimization of daylight utilization in energy saving application on the library in faculty of architecture, design and built environment, Beirut Arab University

Cited by 25 publications

References 11 publications

Evaluating the Impacts of Courtyards on Educational Buildings, Case Study in the University of Sharjah

Evaluating the Impacts of Courtyards on Educational Buildings, Case Study in the University of Sharjah

Pemilihan Lampu Pada Sistem Pencahayaan Perpustakaan Menggunakan Metode Fuzzy AHP

Efficient and sustainable energy lighting solutions

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