A comparative study on the indoor thermal comfort and energy consumption of typical public rental housing types under near-extreme summer conditions in Hong Kong
“…In summer, the issue of indoor thermal comfort would need careful consideration. 58,59 Figure 1.Survey area in Guangzhou showing the locations of the eight office buildings and sites.…”
Section: Methodsmentioning
confidence: 99%
“…In summer, the issue of indoor thermal comfort would need careful consideration. 58,59 In China, there are many climate zones for buildings, and the thermal environment indoors can be significantly affected by outdoor meteorological conditions. Nevertheless, as of August 2016, 53.8% of public buildings in some projects have obtained the Green Building logo in Guangzhou, with the largest percentage being one-star buildings, followed by two-and three-star buildings.…”
Section: General Information On Investigated Locations and Buildingsmentioning
A post-occupancy study of the thermal environment and thermal comfort in office buildings certified with China’s one- to three-star green building label was compared with traditional office buildings. The results showed that the indoor temperature and air movement of both building types met the GB/T 50378, Green Building Evaluation Standard. The green office buildings outperformed conventional office buildings, and occupants had a more comfortable thermal perception and a higher satisfaction level. The three-star buildings were shown to produce the best performance. The comfort temperature range of office workers in green office buildings was about 4°C. The wider comfort temperature range suggests that employees in green office buildings are better adapted to their thermal environment and may have greater potential for energy savings in the design and intelligent operation of air-conditioning systems. The purpose of this study is to gain a more comprehensive understanding of the indoor conditions of green office buildings in China, which may have implications for design decisions on green building practices, and provide guidance for the design and operation of green buildings that can create a better indoor environment with better energy consumption and carbon emission while ensuring indoor thermal comfort.
“…In summer, the issue of indoor thermal comfort would need careful consideration. 58,59 Figure 1.Survey area in Guangzhou showing the locations of the eight office buildings and sites.…”
Section: Methodsmentioning
confidence: 99%
“…In summer, the issue of indoor thermal comfort would need careful consideration. 58,59 In China, there are many climate zones for buildings, and the thermal environment indoors can be significantly affected by outdoor meteorological conditions. Nevertheless, as of August 2016, 53.8% of public buildings in some projects have obtained the Green Building logo in Guangzhou, with the largest percentage being one-star buildings, followed by two-and three-star buildings.…”
Section: General Information On Investigated Locations and Buildingsmentioning
A post-occupancy study of the thermal environment and thermal comfort in office buildings certified with China’s one- to three-star green building label was compared with traditional office buildings. The results showed that the indoor temperature and air movement of both building types met the GB/T 50378, Green Building Evaluation Standard. The green office buildings outperformed conventional office buildings, and occupants had a more comfortable thermal perception and a higher satisfaction level. The three-star buildings were shown to produce the best performance. The comfort temperature range of office workers in green office buildings was about 4°C. The wider comfort temperature range suggests that employees in green office buildings are better adapted to their thermal environment and may have greater potential for energy savings in the design and intelligent operation of air-conditioning systems. The purpose of this study is to gain a more comprehensive understanding of the indoor conditions of green office buildings in China, which may have implications for design decisions on green building practices, and provide guidance for the design and operation of green buildings that can create a better indoor environment with better energy consumption and carbon emission while ensuring indoor thermal comfort.
“…Kemudian disampaikan pula oleh IEA bahwa pada 2050 penggunaan energi listrik untuk AC akan menyumbang hingga 35% terhadap meningkatnya permintaan listrik di Asia Tenggara, termasuk Indonesia. [1] Sehingga berkaitan dengan hal ini diharapkan efisiensi dari penggunaan penghawaan buatan sangat penting untuk dipertimbangkan, mengingat menteri ESDM Indonesia pun berpesan menghemat energi listrik itu akan lebih mudah bila dibandingkan dengan menciptakan listrik. [2] Penelitian terkait kenyamanan termal pada kawasan permukiman di Indonesia masih sangat terbatas bila dibandingkan dengan penelitian dengan topik sejenis di wilayah Eropa.…”
Indonesia merupakan daerah yang sering mengalami gempa bumi karena itu, konstruksi bangunan harus didesain sesuai dengan standar peraturan yang berlaku. Penelitian ini bertujuan untuk mengetahui perilaku struktur dan skema terjadinya plastifikasi pada elemen struktur, serta menentukan level kinerja struktur gedung agar tetap kokoh saat terjadi gempa. Analisis pushover dengan displacement coefficient methode FEMA 440 (2005) yang berbasis statik nonlinier digunakan untuk mengetahui level kinerja struktur bangunan. Studi kasus dilakukan pada gedung beton bertulang RND PT Bernofarm Sidoarjo yang berfungsi sebagai kantor dan laboratorium di bidang farmasi. Gedung tersebut dibangun pada tahun 2015 dengan 6 lantai dan tinggi 28 meter. Sendi plastis baru dapat diketahui dengan melakukan analisis pushover. Digunakan program ETABS v.19 dan SAP2000 v.22 untuk analisis pushover sehingga diperoleh nilai perpindahan untuk arah X dan Y sebesar 0,311 m sehingga level kinerja struktur gedung ialah Damage Control. Pada kategori ini, bila terjadi gempa, elemen struktural gedung mengalami kerusakan minimal sehingga gedung masih dapat digunakan setelah terjadi gempa, namun fasilitas atau kelengkapan operasional gedung mungkin ada yang tidak dapat digunakan sehingga diperlukan perbaikan sebelum digunakan kembali. Ancaman terhadap korban jiwa sangat kecil.
“…The need for space heating is determined by the difference between ambient air temperature and the desired indoor temperature, and how well the building is insulated. The latter can be measured by the building U-value [170,171], which is a thermal transmittance coefficient that measures the rate of heat transfer through the building's fabric in units of W/m 2 K. From the EC buildings database for U-values [172], it is clear that the Nordic countries, with a few exceptions, hold the lowest building U-values compared to the rest of the European countries. This suggests that the national building standards could explain the lower heating threshold temperatures for the Nordic countries as wellinsulated buildings can maintain a comfortable temperature from passive and solar gains at lower outdoor temperatures.…”
XIfruitful discussions throughout the project period.I would like to thank Professor Dirk Witthaut for assessing the mid-term progress of this project, Professor Martin Greiner and Dr. Tom Brown for their help and assistance. Thanks to Heidi Søndergaard and Mejrema Zvonic for their graphical inputs and Mette Stig Hansen for her writing inputs.Thanks to you my beloved wife for lending me out to my supervisor for three years and thank you for understanding me and the time I had to put into this doctoral degree. Finally, I would like to thank my family without whose love, support and understanding I could never have finished this project.
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