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7 articles for “Sky Model”
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Research ArticleOpen accessEvery word in the titleA Numerical Treatment of Air Flow Model in the Area Under the Station Platform of Thailand BTS Sky TrainNopparat PochaiProblem statement: The area under Phayathai station platform of sky train in Bangkok, Thailand, has a problem of air pollution control. Approach:The Bangkok Mass Transit System Company tries to set up the electric fans inside the area for air flow improvement. Results: The flow of the air is still not smooth and the air quality is still lower than standard. … …American Journal of Applied Sciences, Vol. 7, Issue 11 · 8 Nov 2010 · 7,092 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDYNAMIC DAYLIGHT AND SOLAR CONTROL IN TROPICAL CLIMATEYaik-Wah LimDaylight is dynamic, thus there is no one common solution for all scenarios. It is more critical in tropical climate where the sky is predominantly intermediate; with inconsistent clouds formations which will influence the presence of direct sunlight and daylight availability. In this study, the potential of dynamic internal shading devices for improving daylighting performances in tropical climate was investigated. … …American Journal of Applied Sciences, Vol. 11, Issue 10 · 29 Apr 2015 · 7,092 accessesView PDFCite
Research ArticleOpen accessIn the keywordsObservation Modeling for Continuous Predicting Global and Diffuse Solar Radiation on Horizontal SurfaceSomporn Hongkong, Singthong PattanasethanonMathematical modeling for continuous prediction of solar energy is inevitable for energy systems. General, existing models are mostly empirical and data dependent. This article has to present a variable model for predicting global and diffuse solar radiation on the horizontal plane. The model considered in this study has applied Hidden Markov Model (HMM) with two observations. The databases were measured … …American Journal of Environmental Sciences, Vol. 9, Issue 3 · 23 May 2013 · 6,797 accessesView PDFCite
Research ArticleOpen accessIn the abstractInvestigations on Orthogonal-Frequency Division Multiplexed-Mode-Division Multiplexed MM Wave-on-Free Space Optics Transmission using Laguerre-Gaussian Modal BeamsAnita Suman, Ajay KumarWe report the simulation-modelling and evaluation of an integrated Orthogonal-Frequency Division Multiplexed (OFDM)-Mode-Division Multiplexed (MDM) Radio-on-Free Space Optics (Ro-FSO) scheme carrying 2-independent 40 GHz millimetre waves (mm Wave) at 20 Gbps per channel for 5th generation wireless applications. The reported Ro-FSO scheme transports 2-independent 20 Gbps 4-Quadrature-Amplitude Modulated (4-QAM) signals, each carrying 40 GHz mm Wave signal over 2-distinct Laguerre-Gaussian … …Journal of Computer Science, Vol. 17, Issue 12 · 15 Dec 2021 · 6,200 accessesView PDFCite
Review ArticleOpen accessIn the abstractNew Researches Examines the Wing Shapes to Reduce Vortex and WakeNicolae Petrescu, Raffaella Aversa, Antonio Apicella, Florian Ion Tiberiu PetrescuIt is common to see clouds in the form of the sky, known as contrails, which are behind the engines of a reaction plan. What is not always visible is a wind whirl that comes out of the top of each wing - like two small horizontal tornadoes - leaving behind a turbulent awakening behind the vehicle. Awakening is a … …Journal of Aircraft and Spacecraft Technology, Vol. 2, Issue 1 · 19 Jun 2018 · 7,416 accessesView PDFCite
Research ArticleOpen accessIn the abstractHEAT INTENSITY OF URBAN BUILT ENVIRONMENT IN HOT HUMID CLIMATE REGIONBeta Paramita, Hiroatsu FukudaLarge numbers of inhabitants in a dense area require land coverage for sheltering purposes. The anthropogenic heat emission potentially reduces ventilation of urban areas and significantly brings changes in air temperature. This study is aimed at finding the correlations between urban form and the alteration of urban microclimate in different land-uses. This study has been carried out in Bandung, Indonesia, … …American Journal of Environmental Sciences, Vol. 10, Issue 3 · 16 Apr 2014 · 7,812 accessesView PDFCite
Research ArticleOpen accessIn the abstractEmpirical Validation of Daylight Simulation Tool with Physical Model MeasurementYaik-Wah Lim, Mohd. Hamdan Ahmad, Dilshan Remaz OssenProblem statement: In recent years, daylighting simulation tools have been increasingly used by many architects, engineers and researchers to evaluate the day lighting performances of building design. Most of these tools employ CIE sky models for simulation. However, the accuracy and applicability of these tools for tropical sky are doubtable. The aim of this study was to validate the computer … …American Journal of Applied Sciences, Vol. 7, Issue 10 · 31 Oct 2010 · 8,899 accessesView PDFCite