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Numerical research on cross-ventilation flow of a generic building in unsheltered and sheltered conditions: impact of cross-section [PDF]

open access: yesE3S Web of Conferences, 2022
The performances of ventilation in the buildings with quadrate and cylindrical cross-sections are compared numerically. The incoming jet in the cylindrical unsheltered-building is more horizontal in comparison to the quadrate unsheltered-building.
Ding Puxian   +3 more
doaj   +1 more source

A DDES Model with Subgrid-scale Eddy Viscosity for Turbulent Flow [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2022
The original (delayed) detached-eddy simulation ((D)DES), a widely used and efficient hybrid turbulence method, is confronted with some flaws containing grid-induced separation (GIS), log-layer mismatch (LLM), and slow RANS-LES transition. A novel hybrid
P. Ding, X. Zhou
doaj   +1 more source

Thermo-Hydraulic Performance Characteristics and Optimization of Protrusion Rib Roughness in Solar Air Heater

open access: yesEnergies, 2021
To enhance the thermal performance of solar air heaters (SAHs), protrusion ribs on the absorber are considered to be an attractive solution due to their several advantages.
Tabish Alam   +4 more
doaj   +1 more source

On the Potential of District-Scale Life Cycle Assessments of Buildings

open access: yesEnergies, 2023
Climate neutrality goals in the building sector require a large-scale estimation of environmental impacts for various stakeholders. Life Cycle Assessment (LCA) is a viable method for this purpose.
Maximilian Schildt   +6 more
doaj   +1 more source

Performance Augmentation of the Flat Plate Solar Thermal Collector: A Review

open access: yesEnergies, 2021
The need for hot water in residential buildings requires a significant energy potential. Therefore, an efficient water heating system is important to achieve the goal of saving high-grade energy.
Tabish Alam   +7 more
doaj   +1 more source

Open-Source Tool for Transforming CityGML Levels of Detail

open access: yesEnergies, 2021
Urban Building Energy Modelling (UBEM) requires adequate geometrical information to represent buildings in a 3D digital form. However, open data models usually lack essential information, such as building geometries, due to a lower granularity in ...
Avichal Malhotra   +3 more
doaj   +1 more source

Cost-efficient Nearly Zero-Energy Buildings [PDF]

open access: yesE3S Web of Conferences, 2019
The next level of energy performance of new buildings within the European Union will be the Nearly Zero-Energy Building (NZEB). A lot of work has been spent on pilot and demonstration buildings on this and also even higher energy performance levels ...
Erhorn-Kluttig Heike   +2 more
doaj   +1 more source

Extending the IFC-Based bim2sim Framework to Improve the Accessibility of Thermal Comfort Analysis Considering Future Climate Scenarios

open access: yesApplied Sciences, 2023
Future weather scenarios significantly affect indoor thermal comfort, influencing people’s well-being and productivity at work. Thus, future weather scenarios should be considered in the design phase to improve a building’s climate change resilience for ...
Veronika Elisabeth Richter   +3 more
doaj   +1 more source

Energy efficient building design [PDF]

open access: yes, 1992
The fundamental concepts of the building design process, energy codes and standards, and energy budgets are introduced. These tools were combined into Energy Design Guidelines and design contract requirements. The Guidelines were repackaged for a national audience and a videotape for selling the concept to government executives.
Vesna Žegarac Leskovar   +1 more
  +6 more sources

Time series aggregation for energy system design: review and extension of modelling seasonal storages

open access: yesEnergy Informatics, 2022
Using optimization to design a renewable energy system has become a computationally demanding task as the high temporal fluctuations of demand and supply arise within the considered time series.
Tobias Blanke   +5 more
doaj   +1 more source

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