The conflation of building simulation (BS) and computational fluid dynamics (CFD) for the prediction of thermal performance of facade for naturally ventilated residential buildings in singapore

... ventilation The main driving force of natural ventilation for high-rise residential buildings is the wind In order to investigate thermal performance of high-rise residential buildings, it is ... on thermal comfort index for various facade designs and with the building simulation program based on thermal asymmetric criterion for naturally ventilated buildings The facade design guidelines ... 3) Thermal comfort studies in National University of Singapore for naturally ventilated residential buildings Feriadi (2003) developed a thermal comfort prediction chart and fuzzy thermal comfort...

Computational fluid dynamics (CFD) modelling of a continuous baking oven and its integration with controller design

... presentation and interpretation of the data and images With the availability of a wide range of commercial CFD softwares, CFD has began to gain its popularity in many applications Users are not required ... Dynamics (CFD) Computational Fluid Dynamics (CFD) modelling and simulation is becoming an essential tool in almost every domain where fluid dynamics are involved CFD is a numerical method that ... stages 2.2 Heat and mass transfer during baking 2.2.1 Mass transfer 2.2.2 Heat transfer 2.3 Computational Fluid Dynamics (CFD) 2.3.1 Modelling overview 2.3.2 Performance of CFD 2.3.3 Applications...

Nghiên cứu ứng dụng phương pháp tính toán động lực học lưu chất (Computational Fluid Dynamics - CFD) trong các bài toán kỹ thuật

... nghiệp Nghiên cứu ứng dụng phương pháp tính toán động lực học lưu chất (Computational Fluid Dynamics – CFD) toán kĩ thuật Nội dung gồm chương sau: - Chương 1: Đặt vấn đề - Chương 2: Một số vấn đề phương ... phương pháp CFD - Ứng dụng phương pháp CFD vào giải số toán kỹ thuật 1.3.2 Nội dung - Một số vấn đề phương pháp tính toán động lực học lưu chất CFD, bao gồm: phương trình chủ đạo, phương pháp rời rạc ... vận dụng vào mô giải số toán kỹ thuật 6 Chương MỘT SỐ VẤN ĐỀ CƠ BẢN VỀ PHƯƠNG PHÁP TÍNH TOÁN ĐỘNG LỰC HỌC LƯU CHẤT – CFD 2.1 GIỚI THIỆU CHUNG VỀ CFD 2.1.1 CFD Tính toán động lực học lưu chất (Computational...

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Hydrodynamic and disperson behaviour of an analytical silica monolith reconstructed from sub microtomographic scans using computational fluid dynamics

... HYDRODYNAMIC AND DISPERSION BEHAVIOUR OF AN ANALYTICAL SILICA MONOLITH RECONSTRUCTED FROM SUB- MICROTOMOGRAPHIC SCANS USING COMPUTATIONAL FLUID DYNAMICS VIVEK VASUDEVAN (M.S., West ... commercially available silica monolith from sub- micron x-ray computed tomography scans and study its hydrodynamic and dispersion behaviour using a commercial computational fluid dynamics program The ... estimated from Wilke and Chang equation (Wilke and Chang, 1955): (3.2) where, where and , and , and are the molar fractions, the associative factors (1.9 for methanol, 2.6 for water), and the molecular...

Development of mesh free methods and their applications in computational fluid dynamics

... limited number of background meshes 1.3.3 Mesh- free methods of non-integral type 1.3.3.1 Drawbacks of mesh- free methods of integral type in the flow simulations The mesh- free methods of integral type ... DEVELOPMENT OF MESH- FREE METHODS AND THEIR APPLICATIONS IN COMPUTATIONAL FLUID DYNAMICS DING HANG (B Eng., M Eng.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF MECHANICAL ... mesh- free methods can be categorized by their characteristics 1.3.1 Classification of mesh- free methods From the point of view of the movement of nodes, the mesh- free methods may be classified into...

Simulation of spray dryers using computational fluid dynamics

... These two types of spray dryers are also being modeled using CFD for the first time, as well Chapter describes the development of a new spray dryer design using CFD, i.e., a horizontal spray dryer ... models of spray drying The objective of mathematical modeling of spray dryer is to predict the droplet/particle movement and the evaporation/drying of droplets in a spray dryer Two kinds of numerical ... drying particles of a given size The calculation of the diameter of the chamber is based on the required period of drying of a particle of given dimensions and of the radial course of its trajectory...

UV-disinfection Reactor Validation by Computational Fluid Dynamics and Relation to Biodosimetry and Actinometry

... output×Number of lamps/Volume of reactor (12) It was founded that the higher UV density leads to higher β values VALIDATION OF UV REACTOR BY COMPUTATIONAL FLUID DYNAMICS MODEL To know UV dose distribution ... turbulence and UV intensity gradient of reactor - 80 - Journal of Water and Environment Technology, Vol.3, No.1, 2005 Table the mixing characteristic coefficient β Reactor with Reactor with Reactor ... the reactor as a function of position The particle trajectory calculations can be performed by computational fluid dynamics UV intensity at any point P (r, z) within the reactor is developed by...

Computational fluid dynamics analysis of a twisted airfoil shaped two-bladed H-Darrieus rotor made from fibreglass reinforced plastic (FRP)

... types of Darrieus rotors are mainly available, namely troop skein (Eggbeater) Darrieus rotor and H-Darrieus rotor H-Darrieus rotor was in the same patent of 1931[2] It has two to three airfoil shaped ... 0.265 at a TSR of 2.214, and the maximum Ct obtained is 0.124 at a TSR of 1.962 And the standard deviation of computational Cp from experimental Cp is 0.81% and that of computational Ct from experimental ... 23 (a) Variation of Ct with TSR, and (b) deviation of computational Ct from experimental Cp for H/D ratio 2.10 (a) (b) Figure 24 (a) Variation of Cp with TSR, and (b) deviation of computational...

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