1–10 von 10 Ergebnissen
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    Force Based Measurement Method for Cooling Flow Quantification

    Lofdahl, Lennart / Gullberg, Peter / Sebben, Simone et al. | SAE Technical Papers | 2017
    Quantification of heat exchanger performance in its operative environment is in many engineering applications an essential task, and the ...
    Verlag: Society of Automotive Engineers , SAE International

    Comparative Studies between CFD and Wind Tunnel Measurements of Cooling Performance and External Aerodynamics for a Heavy Truck

    Martini, Helena / Lofdahl, Lennart / Gullberg, Peter | SAE Technical Papers | 2014
    aerodynamic drag is the dominating resistance acting on a truck. Hence the importance of reducing this resistance is apparent. Cooling drag is one ...
    Verlag: Society of Automotive Engineers , SAE International

    Cooling Airflow System Modeling in CFD Using Assumption of Stationary Flow

    Lofdahl, Lennart / Gullberg, Peter / Nilsson, Peter | SAE Technical Papers | 2011
    and fan. Behind the cooling module and fan, a 1D engine silhouette is placed to mimic the blockage done by a truck engine. Furthermore, a ...
    Verlag: Society of Automotive Engineers , SAE International
    Schlagwörter: Simulation and modeling

    Study of Software Integration for Transient Simulation of Future Cooling System for Heavy Truck Application

    Minovski, Blago B. / Lofdahl, Lennart | SAE Technical Papers | 2014
    The work investigates the integration between tools for analysis and simulation of cooling systems at Volvo Group Trucks Technology. At the ...
    Verlag: Society of Automotive Engineers , SAE International
    Schlagwörter: Simulation and modeling

    A 1D Method for Transient Simulations of Cooling Systems with Non-Uniform Temperature and Flow Boundaries Extracted from a 3D CFD Solution

    Minovski, Blago B. / Lofdahl, Lennart / Gullberg, Peter | SAE Technical Papers | 2015
    conditions.In a stacked cooling package the heat transfer through each heat exchanger depends on the mass flows and temperature fields. These are a ...
    Verlag: Society of Automotive Engineers , SAE International
    Schlagwörter: Simulation and modeling

    Aerodynamic Analysis of Cooling Airflow for Different Front-End Designs of a Heavy-Duty Cab-Over-Engine Truck

    Martini, Helena / Lofdahl, Lennart / Gullberg, Peter | SAE Technical Papers | 2018
    examine the effect of heating the air on the drag co-efficient and also to determine the cooling capacity of the different models. A sub- study ...
    Verlag: Society of Automotive Engineers , SAE International

    Wake and Unsteady Surface-Pressure Measurements on an SUV with Rear-End Extensions

    Lofdahl, Lennart / Sterken, Lennert / Sebben, Simone et al. | SAE Technical Papers | 2015
    Previous research on both small-scale and full-scale vehicles shows that base extensions are an effective method to increase the base ...
    Verlag: Society of Automotive Engineers , SAE International

    Effect of Rear-End Extensions on the Aerodynamic Forces of an SUV

    Lofdahl, Lennart / Sterken, Lennert / Sebben, Simone et al. | SAE Technical Papers | 2014
    research on small-scale and full-scale vehicles, rear-end extensions are known to have a positive effect on the base pressure, enhancing pressure ...
    Verlag: Society of Automotive Engineers , SAE International

    Wing-Diffuser Interaction on a Sports Car

    Söderblom, David / Christoffersen, Lasse / Lofdahl, Lennart et al. | SAE Technical Papers | 2011
    was based on, was the Lotus Evora Type 124 CUP car. The car carried detailed chassis components and a complete cooling system. In the study ...
    Verlag: Society of Automotive Engineers , SAE International

    Numerical Investigation of Natural Convection in a Simplified Engine Bay

    Minovski, Blago B. / Lofdahl, Lennart / Gullberg, Peter | SAE Technical Papers | 2016
    the engine bay primarily driven by natural convection and radiation after there had been a high power demand on the engine. With the cooling ...
    Verlag: Society of Automotive Engineers , SAE International