scholarly journals WiFi Signal Strength Degradation Over Different Building Materials

2021 ◽  
Vol 3 (3) ◽  
pp. 109-113
Author(s):  
Aileen Aileen ◽  
Alexander Dennis Suwardi ◽  
Fernando Prawiranata
Keyword(s):  
Building Materials ◽  
Signal Strength ◽  
Building Design ◽  
Strength Loss ◽  
Strength Degradation ◽  
Mobile App ◽  
Signal Loss ◽  
The Future ◽  
Wifi Signal ◽  
Wireless Fidelity

Wireless Fidelity (WiFi) signals experience propagation through air and material in a building. This propagation causes signal decreasing signal strength. This study aims to determine materials in buildings that cause significant signal strength loss so in the future building design could factor in signal strength by using material that doesn't affect signal strength significantly. The testing of signal strength will be done by observing signal strength through different materials. Signal strength will be recorded by using a mobile app. Materials that majorly decrease signal strength are plastics, with the least affecting materials are hollow plywood wall. The use of plastics in a building affects significantly on signal loss and should be replaced if possible with hollow plywood walls.

scholarly journals Survey of Millimeter-Wave Propagation Measurements and Models in Indoor Environments

Electronics ◽  
2021 ◽  
Vol 10 (14) ◽  
pp. 1653
Author(s):  
Ahmed Al-Saman ◽  
Michael Cheffena ◽  
Olakunle Elijah ◽  
Yousef A. Al-Gumaei ◽  
Sharul Kamal Abdul Rahim ◽  
...  
Keyword(s):  
Millimeter Wave ◽  
Measurement Techniques ◽  
Path Loss ◽  
Delay Spread ◽  
Indoor Environments ◽  
Future Trends ◽  
Signal Loss ◽  
Indoor Wireless ◽  
The Future ◽  
Future Demands

The millimeter-wave (mmWave) is expected to deliver a huge bandwidth to address the future demands for higher data rate transmissions. However, one of the major challenges in the mmWave band is the increase in signal loss as the operating frequency increases. This has attracted several research interests both from academia and the industry for indoor and outdoor mmWave operations. This paper focuses on the works that have been carried out in the study of the mmWave channel measurement in indoor environments. A survey of the measurement techniques, prominent path loss models, analysis of path loss and delay spread for mmWave in different indoor environments is presented. This covers the mmWave frequencies from 28 GHz to 100 GHz that have been considered in the last two decades. In addition, the possible future trends for the mmWave indoor propagation studies and measurements have been discussed. These include the critical indoor environment, the roles of artificial intelligence, channel characterization for indoor devices, reconfigurable intelligent surfaces, and mmWave for 6G systems. This survey can help engineers and researchers to plan, design, and optimize reliable 5G wireless indoor networks. It will also motivate the researchers and engineering communities towards finding a better outcome in the future trends of the mmWave indoor wireless network for 6G systems and beyond.

scholarly journals Impact of Window to Wall Ratio on Energy Loads in Hot Regions: A Study of Building Energy Performance

Energies ◽  
2021 ◽  
Vol 14 (4) ◽  
pp. 1080
Author(s):  
Mamdooh Alwetaishi ◽  
Omrane Benjeddou
Keyword(s):  
Saudi Arabia ◽  
Building Materials ◽  
Building Design ◽  
Building Energy ◽  
Energy Performance ◽  
Design Stage ◽  
Design Solution ◽  
Building Energy Efficiency ◽  
Climatic Regions ◽  
Heating And Cooling

The concern regarding local responsive building design has gained more attention globally as of late. This is due to the issue of the rapid increase in energy consumption in buildings for the purpose of heating and cooling. This has become a crucial issue in educational buildings and especially in schools. The major issue in school buildings in Saudi Arabia is that they are a form of prototype school building design (PSBD). As a result, if there is any concern in the design stage and in relation to the selection of building materials, this will spread throughout the region. In addition to that, the design is repeated regardless of the climate variation within the kingdom of Saudi Arabia. This research will focus on the influence of the window to wall ratio on the energy load in various orientations and different climatic regions. The research will use the energy computer tool TAS Environmental Design Solution Limited (EDSL) to calculate the energy load as well as solar gain. During the visit to the sample schools, a globe thermometer will be used to monitor the globe temperature in the classrooms. This research introduces a framework to assist architects and engineers in selecting the proper window to wall ratio (WWR) in each direction within the same building based on adequate natural light with a minimum reliance on energy load. For ultimate WWR for energy performance and daylight, the WWR should range from 20% to 30%, depending on orientation, in order to provide the optimal daylight factor combined with building energy efficiency. This ratio can be slightly greater in higher altitude locations.

Development of a numerical approach to assess the effect of coupled heat and moisture transfer on energy consumption of residential buildings in Moroccan context

2021 ◽  
pp. 174425912110560
Author(s):  
Yassine Chbani Idrissi ◽  
Rafik Belarbi ◽  
Mohammed Yacine Ferroukhi ◽  
M’barek Feddaoui ◽  
Driss Agliz
Keyword(s):  
Energy Consumption ◽  
Building Materials ◽  
Moisture Transfer ◽  
Residential Buildings ◽  
Building Design ◽  
Energy Performance ◽  
Climatic Conditions ◽  
Heat And Moisture Transfer ◽  
Coupled Heat And Moisture ◽  
Heat And Moisture

Hygrothermal properties of building materials, climatic conditions and energy performance are interrelated and have to be considered simultaneously as part of an optimised building design. In this paper, a new approach to evaluate the energy consumption of residential buildings in Morocco is presented. This approach is based on the effect of coupled heat and moisture transfer in typical residential buildings and on their responses to the varied climatic conditions encountered in the country. This approach allows us to evaluate with better accuracy the response of building energy performance and the indoor comfort of building occupants. Annual energy consumption, cooling and heating energy requirements were estimated considering the six climatic zones of Morocco. Based on the results, terms related to coupled heat and moisture transfer can effectively correct the existing energy consumption calculations of the six zones of Morocco, which currently do not consider energy consumption due to coupled heat and moisture transfer.

SEKOLAH DASAR ABAD-21 DENGAN METODE BAHASA POLA DAN METAFORA DALAM PENCIPTAAN RUANG BELAJAR KREATIF DI KELAPA GADING

2021 ◽  
Vol 3 (1) ◽  
pp. 757
Author(s):  
Natasha Kurnia Tishani ◽  
Rudy Trisno
Keyword(s):  
Primary School ◽  
Teaching And Learning ◽  
Building Materials ◽  
Industrial Revolution ◽  
Soft Skills ◽  
Design Method ◽  
Pattern Language ◽  
School Buildings ◽  
The Future ◽  
The 19Th Century

The advancement of technology in the world is marked by the industrial revolution event. Indonesia has entered the era of the industrial revolution 4.0. This incident affects the way society dwell, slowly our lives have been dominated by technology and it is possible that in the future humans will be replaced by robots. We must developing soft skills that cannot be replaced by robots through our education. Indonesia’s education itself does not prepare the next generation to deal with this event. Starting from outdated curriculum,  teachers who are afraid to explore in teaching to school buildings that still adhere to the school system in the 19th century. The study of the discussion is how human dwell in the future in this case is to study, namely primary school buildings, which can accommodate teaching and learning activities with a curriculum that suits future needs. The design method used is in form of design stages, starting from Area Analysis; Investigation of selected sites; Proposed Program;  Design Analysis: Composition of mass and the concept of mass of buildings using the Metaphor Method; Project Zoning; Application of Pattern Language Methods and Structure and Building Materials. The result of this research is an elementary school architectural building that accmodate 21st century learning. Keywords:  creativity; education; metaphorical architecture; pattern langugae;primary school  Abstrak Kemajuan teknologi didunia ditandai dengan adanya peristiwa revolusi industri. Indonesia telah memasuki era revolusi industri 4.0. Peristiwa ini memengaruhi cara masyarakat berhuni, secara perlahan kehidupan kita telah didominasi dengan teknologi dan tidak menutup kemungkinan dimasa depan manusia akan digantikan dengan robot. Lalu, bagaimana kita sebagai manusia menghadapi ini ? yaitu mengembangkan softskill yang tidak bisa digantikan oleh robot melalui pendidikan kita. Pendidikan Indonesia tidak menyiapkan generasi selanjutnya untuk menghadapi perisitiwa ini. Berawal dari kurikulum yang sudah usang, lalu para guru yang takut untuk bereksplorasi dalam mengajar hingga bangunan sekolah yang masih menganut sistem sekolah di abad-19. Lingkup pembahasan laporan ini adalah bagaimana wadah berhuni manusia dimasa depan yaitu kegiatan menuntut ilmu, yaitu bangunan sekolah dasar, yang dapat mewadahi kegiatan pembelajaran dengan kurikulum masa depan. Metode perancangan yang digunakan adalah; a) Analisis Kawasan; b) Investigasi tapak terpilih; c) Usulan program; d) Analisis Perancangan : Gubahan massa dan Konsep Massa bangunan dengan Metode Arsitektur Metafora; d) Penzoningan Pada Proyek; e) Penerapan Metode Bahasa Pola dan f) Struktur dan Material Bangunan. Hasil akhir dari penelitian ini berupa bangunan arsitektur sekolah dasar yang mewadahi kegiatan pembelajaran abad-21.

scholarly journals Virtual Prototyping for Open Building Design

2011 ◽  
Vol 36 (4) ◽  
pp. 46-56
Author(s):  
ŞEule Taşlı Pektaş ◽  
Bülent Özgüç
Keyword(s):  
Decision Making ◽  
Virtual Prototyping ◽  
Building Design ◽  
Design Decision ◽  
Enabling Technology ◽  
Conventional Design ◽  
Building Systems ◽  
The Future ◽  
Decision Making Processes ◽  
Design Media

This paper re-visits the basic premises of open building: designing for change as well as for stability, including the users in the design decision-making processes, and disentangling the building systems into the levels and allowing replacement; then, addresses the limitations of conventional design media in terms of the capabilities to support these aims. It is discussed that the design media should be predictive, dynamic, and interactive. Virtual prototyping as an enabling technology is reviewed and proposals are made for the future use of this technology for open building design.

scholarly journals PUSAT KREATIVITAS ANAK DI PONTIANAK

2021 ◽  
Vol 9 (2) ◽  
pp. 398
Author(s):  
Adilla Chairiah ◽  
Lestari Lestari ◽  
Irwin Irwin
Keyword(s):  
Design Method ◽  
Secondary Data ◽  
Building Design ◽  
Primary Data ◽  
Circular Shape ◽  
The Core ◽  
The Future ◽  
Human Need ◽  
Child Friendly ◽  
The Right

Children are the future successors of the nation who must be equipped with supporting knowledge and education. One of the factors that influence the development of children are children’s creativity. Creativity is important for children because creativity is useful as a human need to be creative, creativity allows children to express themselves and thoughts in solving problem and many more. Creativity activities in schools are limited, namely 4-5 hours due to strict curriculum (Kemendikbud, 2012). The facilities that support the development of children's creativity in Pontianak is quite limited. This condition shows that Pontianak needs facilities that support the development of children's creativity, namely the Child Creativity Center in Pontianak. The design method starts from identifying the problem by looking at the issues, data collecting consists of primary data and secondary data, and then the data is analyzed which produced pre design drawing. The emphasis on the design is child-friendly which includes aspects of safety, comfort, freedom and stimulates children's potential. This concept produces a mass building design with a circular shape that has been transformed. The use of the right colors, shapes, materials and dimensions is the core of the design of the Children's Creativity Center in Pontianak.

scholarly journals An Investigation of Design Considerations to Achieve Thermal Comfort in Warm Humid Climatic Zone of West Bengal

2021 ◽  
Vol 9 (11) ◽  
pp. 1912-1917
Author(s):  
Pritam Roy
Keyword(s):  
Thermal Comfort ◽  
Building Materials ◽  
West Bengal ◽  
Building Design ◽  
Climatic Zone ◽  
Primary Study ◽  
Humid Climate ◽  
Climate Conditions ◽  
Building Orientation ◽  
Design Factors

Abstract: This research paper presents the investigation of design consideration to achieve thermal comfort and the warm humid climatic zone of West Bengal is considered as the primary study area for the investigation. The varying thermal comfort behavior of humans in different climate conditions and seasons clearly demonstrates that the building design strategy must conform with the region of the building. In this paper, first studying the climatic characteristics of the warm humid region design factors are selected like building materials, cross ventilation, building orientation, roofing orientation, and materials, etc. After that, all those design factors are studied and the effect of all those factors on building in various conditions is observed. Keywords: Warm Humid Climate, Thermal Comfort, Building Materials, U-value, Cross Ventilation, Building Orientation

Comparison of Building Construction and Life-Cycle Cost for a High-Rise Mass Timber Building with its Concrete Alternative

2020 ◽  
Vol 70 (4) ◽  
pp. 482-492
Author(s):  
Hongmei Gu ◽  
Shaobo Liang ◽  
Richard Bergman
Keyword(s):  
Life Cycle ◽  
Life Cycle Cost ◽  
Building Materials ◽  
Building Design ◽  
Cost Data ◽  
Construction Costs ◽  
High Rise ◽  
Front End ◽  
Concrete Building ◽  
Mass Timber

Abstract Mass timber building materials such as cross-laminated timber (CLT) have captured attention in mid- to high-rise building designs because of their potential environmental benefits. The recently updated multistory building code also enables greater utilization of these wood building materials. The cost-effectiveness of mass timber buildings is also undergoing substantial analysis. Given the relatively new presence of CLT in United States, high front-end construction costs are expected. This study presents the life-cycle cost (LCC) for a 12-story, 8,360-m2 mass timber building to be built in Portland, Oregon. The goal was to assess its total life-cycle cost (TLCC) relative to a functionally equivalent reinforced-concrete building design using our in-house-developed LCC tool. Based on commercial construction cost data from the RSMeans database, a mass timber building design is estimated to have 26 percent higher front-end costs than its concrete alternative. Front-end construction costs dominated the TLCC for both buildings. However, a decrease of 2.4 percent TLCC relative to concrete building was observed because of the estimated longer lifespan and higher end-of-life salvage value for the mass timber building. The end-of-life savings from demolition cost or salvage values in mass timber building could offset some initial construction costs. There are minimal historical construction cost data and lack of operational cost data for mass timber buildings; therefore, more studies and data are needed to make the generalization of these results. However, a solid methodology for mass timber building LCC was developed and applied to demonstrate several cost scenarios for mass timber building benefits or disadvantages.

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