Research on the Impact of Wind Angles on the Residential Building Energy Consumption

Zou, Huifen; Fuhua, Yang; Qian, Zhang

doi:10.1155/2014/794650

Cited by 14 publications

(3 citation statements)

References 2 publications

(2 reference statements)

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“…It is these types of flows that are most dangerous because of their uncontrollable behavior and an increased initial flow velocity, almost three times from the initial one, which, from standpoint of pedestrian comfort, is an unsatisfactory condition for staying at this zone (Fig. 3) [8,9]. If the ratio of building height to cross-section is greater than 7, then, as a rule, there is a regular separation of vortices from side surfaces of the building, i.e.…”

Section: Analysis Of the Numerical Simulation Results Of The Wind Flow Behavior Around The Buildingmentioning

confidence: 99%

Computational fluid dynamics as a method for studying wind comfort

Meshkova

Дектерев

2021

J. Phys.: Conf. Ser.

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Section: Analysis Of the Numerical Simulation Results Of The Wind Flow Behavior Around The Buildingmentioning

confidence: 99%

Computational fluid dynamics as a method for studying wind comfort

Meshkova

Дектерев

2021

J. Phys.: Conf. Ser.

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“…Moreover, wind direction [30] and velocity acting upon the building influence the heat loss level. Huifen et al [31] claimed that the lowest level of heat loss through the external wall was obtained at the wind direction equaling 15 • . Shang-Ying and coauthors [32] investigated the influence of wind speed and wind incidence angle (0 • , 30 , 90 • ) on the heat losses of a thermally insulated, fully open cylindrical cavity with a heated wall.…”

Section: Introductionmentioning

confidence: 99%

Heat Losses Caused by the Temporary Influence of Wind in Timber Frame Walls Insulated with Fibrous Materials

et al. 2020

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The paper presents the results of research concerning three fiber materials—mineral wool, hemp fiber and wood wool—as loose-fill thermal insulation materials. The analysis used the material parameters determined in previous works conducted by the authors, such as thermal conductivity and air permeability in relation to bulk density. These materials exhibit open porosity; thus, convection is an essential phenomenon in the heat transfer process. The paper aimed at conducting thermal simulations of various frame wall variants which were filled with the above-mentioned insulation materials. The simulations were performed with the Control Volume Method using the Delphin 5.8 software. The studies accounted for the effect of wind pressure and the time of its influence on a wall insulated by means of fiber material with a thickness of 150 as well as 250 mm. The simulation enabled us to obtain such data as maximal R-value reduction and time to return to equilibrium after filtration for the analyzed materials. The study proved that heat transfer in these insulations strongly depends on the bulk density, thickness of the insulation and wind pressure. The decrease in R is reduced as the density increases. This results from the decreased air permeability characterizing the material. Wind washing causes lower R reduction than air filtration in all models. The greater the thickness, the longer it takes for the models to return to the equilibrium state following air filtration (and wind washing). This period is comparable for air filtration and wind washing. Hemp fibers were characterized with the strongest susceptibility to air filtration; in the case of wood wool, it was also high, but lower than for hemp fibers, while mineral wool was characterized with the lowest.

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“…In winter, the wind movement in the outdoor environment affects heat loss of the building, while in summer the change of wind direction and speed in the outdoor environment affects the ventilation and indoor air circulation. (Huifen et al, 2014) …”

mentioning

confidence: 99%

Energy Efficiency in the Urban Scale: Case Study – Prague, Czech Republic

Yunitsyna

Shtepani²

2017

Proceedings 24th ISUF 2017 - City and Territory in the Globalization Age

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Cities are a complex mass of morphological properties of many city fragments, which play a major role in energy consumption. Urban form, urban patterns, or city fragments can also be seen as defined by algorithms or form generators. Cities are designed taking into account infrastructure, city standards and land use regulations. Energy efficiency of the urban form may be understood as the balance between gains and losses of energy, which may depend on a set of parameters mostly defined by the geometrical shape of the buildings and the distance between them. The study starts from the development and analysis of 60 hypothetical models in order to evaluate their energy efficiency potential. The Galapagos Evolutionary Solver is used as a tool in order to find the set of parameters, which brings to the morphological properties the optimal combination of density and surface-to-volume ratio. At the final stage morphological properties of 64 Prague’s patterns were selected. Computer simulation and analysis is performed using the models extracted from the virtual Google Earth model of Prague. During the process of evaluation of the samples, the relationship between the urban form and such parameters as plot coverage, surface-to-volume ratio and the incident solar radiation was established and potentially higher energy efficient structures were indicated. As the result of analysis the interrelation between urban form and energy efficiency was established, which allowed to identify the urban patterns with the higher potential of energy efficiency.

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Research on the Impact of Wind Angles on the Residential Building Energy Consumption

Cited by 14 publications

References 2 publications

Computational fluid dynamics as a method for studying wind comfort

Computational fluid dynamics as a method for studying wind comfort

Heat Losses Caused by the Temporary Influence of Wind in Timber Frame Walls Insulated with Fibrous Materials

Energy Efficiency in the Urban Scale: Case Study – Prague, Czech Republic

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