Architectural Engineering Commons^™

Analysis Of The Potential Of Urban Surfaces For Energy Use By Applying Solar Energy Or Green Roofs, Kristin Dietrich, Jose Ambrosini, Fabio Capra-Ribeiro, Juan Raul Massipe Hernandez, Alberto Tama Franco, Fernando Mayor-Vitoria

Faculty Publications

Renewable energy is rapidly increasing in importance in the energy mix in many countries worlwide. They are a key part of the energy transition to more sustainable energy systems. Green roofs are multi-layered systems covered with plants, grasses or turf that are placed on terraces and roofs of different types. Energy savings and reduced urban heat-island effects are among the most notable benefits of green roofs. Traditionally, green roofs and photovoltaic (PV) or solar-thermal installations have been competing systems, but several studies and actual installations have shown that synergistic effects predominate. For example, vegetation has a cooling effect on green …

The Impact Of Visual Stimuli And The Properties Of Green Walls On Human Well-Being In Built And Immersive Virtual Environments, Alireza Sedghikhanshir

LSU Doctoral Dissertations

The built environment significantly influences human well-being, particularly in the context of stress recovery and cognitive restoration. This dissertation investigates the impact of visual stimuli, particularly green walls, on human responses related to stress, restoration, and thermal comfort. The research is guided by three primary objectives: (1) examining the role of visual stimuli and their properties in promoting stress recovery and restoration, (2) evaluating the potential of Immersive Virtual Environments (IVEs) as tools for delivering and studying restorative environments, and (3) investigating the influence of green walls on indoor environmental conditions.

A series of experimental studies were carried out to …

The Impact Of American Kitchen Time-Use On Urban Design And Planning: A Case Study Of Baton Rouge, Louisiana, Farshid Torabian

LSU Doctoral Dissertations

Over the past century, the global environment has undergone significant changes, characterized by rising temperatures and a sharp increase in greenhouse gas emissions. Parallel to these environmental shifts, the U.S. has witnessed a tripling in energy demands, underscoring the pivotal role of household consumption in the nation's carbon footprint. Within this context, the kitchen, an integral component of the American home, becomes a focal point. Given that Americans predominantly spend their time indoors, it is imperative to understand the dynamics of kitchen usage and its broader implications on energy consumption and environmental impact. To delve into this complex interplay, this …

On The Computational Efficiency Of Les And Hybrid Rans-Les Models In Building Aerodynamics, Aly Mousaad Aly, Faiaz Khaled

Faculty Publications

Large-eddy simulation (LES) has proven to offer superior accuracy in regards to predicting surface pressures compared to the Reynolds-averaged Navier Stokes (RANS) models. However, the primary impediment is the high computational cost associated with LES. The authors attempt to investigate the computational cost and accuracy by employing different sub-grid scale (SGS) models in LES and hybrid RANS-LES models. One of the prerequisites of accurate pressure estimations is to ensure a horizontally homogeneous empty computational domain. This study aims to compare the computational competence qualitatively and quantitatively using an empty domain in regards to the ability to maintain horizontal homogeneity. The …

On The Computational Efficiency Of Les And Hybrid Rans-Les Models In Building Aerodynamics, Faiaz Khaled, Aly Mousaad Aly

Faculty Publications

No abstract provided.

Peak Pressures On Low Rise Buildings: Cfd With Les Versus Full Scale And Wind Tunnel Measurements, Aly Mousaad Aly, Hamzeh Gol-Zaroudi

Faculty Publications

This paper focuses on the processes of wind flow in the atmospheric boundary layer, to produce realistic full-scale pressures for the design of low-rise buildings. CFD with LES turbulence closure is implemented on a scale 1:1 prototype building. A proximity study was executed computationally in CFD with LES that suggests new recommendations on the computational domain size, in front of a building model, apart from common RANS-based guidelines (e.g. COST and AIJ). Our findings suggest a location of the test building, different from existing guidelines, and the inflow boundary proximity influences pressure correlation and reproduction of peak loads. The CFD …

Wind Loading On Trees Integrated With A Building Envelope, Aly Mousaad Aly, Alberto Zasso, Girma Bitsuamlak, Alberto Nicola Longarini, Arindam Gam Chowdhury

Faculty Publications

With the sustainability movement, vegetated building envelopes are gaining more popularity. This requires special wind effect investigations, both from sustainability and resiliency perspectives. The current paper focuses on wind load estimation on small- and full-scale trees used as part of green roofs and balconies. Small-scale wind load assessment was carried out using wind tunnel testing in a global-effect study to understand the interference effects from surrounding structures. Full-scale trees were investigated at a large open-jet facility in a local-effect study to investigate the wind-tree interaction. The effect of Reynolds number combined with shape change on the overall loads measured at …

Bionic Architectural Design: Assembly, Symbiosis, & Repetition, Henry Louth

Honors Capstones

No abstract provided.