Search Results - "Kozmar, Hrvoje"

Wind-tunnel analysis of natural ventilation in a generic building in sheltered and unsheltered conditions: Impact of Reynolds number and wind direction by Golubić, Dino, Meile, Walter, Brenn, Günter, Kozmar, Hrvoje

“…Natural ventilation is generally preferred to mechanical ventilation because it saves energy and protects the outdoor atmospheric environment. The present work…”
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Optimizing height and porosity of roadway wind barriers for viaducts and bridges by Kozmar, Hrvoje, Procino, Lorenzo, Borsani, Alessandra, Bartoli, Gianni

“…•Vehicles and trains are particularly sensitive to wind effects on viaducts and bridges.•Experiments are carried out to determine an optimal wind barrier…”
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Sheltering efficiency of wind barriers on bridges by Kozmar, Hrvoje, Procino, Lorenzo, Borsani, Alessandra, Bartoli, Gianni

“…Sheltering efficiency of wind barriers on viaducts was experimentally studied in a boundary layer wind tunnel. Effects of wind incidence angle on flow field…”
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The effect of parked wind turbines on wind flow and turbulence over a complex terrain by Kozmar, Hrvoje, Bartoli, Gianni, Borri, Claudio

“…Wind‐tunnel experiments were performed to study the wind characteristics on a parked wind turbine downwind of three types of hill and over a flat terrain. The…”
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Aerodynamic characteristics of tall buildings with porous double-skin façades: State of the art and future perspectives by Petar Škvorc, Hrvoje Kozmar

“…Double-skin façades (DSFs) have been increasingly implemented on tall buildings with the goal of improving building energy efficiency, natural ventilation and…”
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Unique Windward Measurements and a Mesoscale Simulation of an Extremely Long-Lasting Severe Bora Event by Golem, Petar, Toman, Ivan, Večenaj, Željko, Kozmar, Hrvoje, Grisogono, Branko

“…Unique data from a 100-m meteorological mast located on the windward side of the Dinaric Alps, Croatia, are compared to high-resolution Weather Research and…”
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The Atmospheric Boundary Layer Above Generic Hills: Computational Model of a Unidirectional Body Force-Driven Flow by Cindori, Mihael, Džijan, Ivo, Juretić, Franjo, Kozmar, Hrvoje

“…A computational steady Reynolds-averaged Navier–Stokes model is developed for a neutrally-stratified unidirectional flow in the atmospheric boundary layer…”
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Effects of Wind-Barrier Layout and Wind Turbulence on Aerodynamic Stability of Cable-Supported Bridges by Buljac, Andrija, Kozmar, Hrvoje, Pospíšil, Stanislav, Macháček, Michael, Kuznetsov, Sergey

“…Abstract Wind barriers are nowadays commonly placed on bridges to protect vehicles from adverse cross-wind effects. In addition to this beneficial influence,…”
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Aerodynamic characteristics of two slipstreaming race cars by Džijan, Ivo, Pašić, Aleksandar, Buljac, Andrija, Kozmar, Hrvoje

“…A computational model was developed to study aerodynamic forces acting on two closed-wheel race cars in the slipstreaming (drafting) arrangement, i.e., when…”
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Thrust force and base bending moment acting on a horizontal axis wind turbine with a high tip speed ratio at high yaw angles by Danijel Bosnar, Hrvoje Kozmar, Stanislav Pospíšil, Michael Macháček

“…Onshore wind turbines may experience substantially different wind loads depending on their working conditions, i.e. rotation velocity of rotor blades, incoming…”
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Wind-tunnel simulations of the suburban ABL and comparison with international standards by Kozmar, H

“…Three wind-tunnel simulations of the atmospheric boundary layer (ABL) flow in suburban country exposure were generated for length scale factors 1:400, 1:250…”
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Angle-of-Attack Estimation for General Aviation Aircraft by Ivanković, Marin, Vrdoljak, Milan, Andrić, Marijan, Kozmar, Hrvoje

“…The angle of attack is one of the most important flight parameters. In the framework of the present study, a flight data recording method was designed to…”
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A Data-Driven Model for Aerodynamic Loads on Road Vehicles Exposed to Gusty Bora-Like Winds by Kozmar, Hrvoje, Jokić, Marko, Butler, Kyle, Stegić, Milenko, Kareem, Ahsan

“…Strong cross-wind gusts can cause the vehicle to overturn or slide off the road. This problem is particularly experienced on bridges, as vehicles are extremely…”
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Scaling of wind turbine aerodynamics: wind tunnel experiments by Macháček, Michael, Pospíšil, Stanislav, Kozmar, Hrvoje

“…A small-scale wind turbine model was designed and manufactured to study its aerodynamic thrust force and the harvested flow energy. To provide a good…”
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FEASIBILITY OF INVESTMENT IN RENEWABLE ENERGY SYSTEMS FOR SHIPYARDS by Hadžić, Neven, Kozmar, Hrvoje, Tomić, Marko

“…Shipbuilding industry is generally considered as one of the key global industries. It consumes a significant amount of energy and leaves a strong footprint on…”
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Aerodynamic Design of a Solar Road Vehicle by Majdandžić, Ljubomir, Buljić, Dalibor, Buljac, Andrija, Kozmar, Hrvoje

“…Solar road vehicles have very specific design requirements. This makes their aerodynamic characteristics quite different from classic sedan vehicles. In the…”
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Bora wind characteristics for engineering applications by Petra Lepri, Zeljko Vecenaj, Hrvoje Kozmar, Branko Grisogono

“…Bora is a strong, usually dry temporally and spatially transient wind that is common at the eastern Adriatic Coast and many other dynamically similar regions…”
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Computational modeling of the atmospheric boundary layer using various two-equation turbulence models by Juretic, Franjo, Kozmar, Hrvoje

“…The performance of the k-[varepsilon] and k-[sigma] two-equation turbulence models was investigated in computational simulations of the neutrally stratified…”
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Influence of spacing between buildings on wind characteristics above rural and suburban areas by Kozmar, Hrvoje

“…A wind tunnel study has been carried out to determine the influence of spacing between buildings on wind characteristics above rural and suburban type of…”
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A summertime near-ground velocity profile of the Bora wind by Lepri, Petra, Kozmar, Hrvoje, Vecenaj, Zeljko, Grisogono, Branko

“…While effects of the atmospheric boundary layer flow on engineering infrastructure are more or less known, some local transient winds create difficulties for…”
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