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> Comcast Center

Philadelphia, PA, USA

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  • Overview

    At 1,009 feet, Comcast Center is a spectacular addition to the Philadelphia Skyline

    The unique performance and space requirements of a signature tall building were met through the design and commissioning of the world's largest Tuned Liquid Column damper.

  • Services

    • Investigated options for Supplementary Damping System (SDS)
    • Designed Tuned Liquid Column Damper (TLCD)
    • Commissioned TLCD
    • Modeled airflow and thermal comfort to develop energy efficient ventilation strategies
    • Assessed thermal impact of large LED TV screen on building occupants.
  • Benefits

    Optimized structure: Both occupant comfort and drift criteria for the building were realized through the use of the world’s largest tuned liquid column damper (TLCD).

    Cost savings: Use of the TLCD resulted in reduced overall construction costs, as less structural steel was required.

    Effects on design: Ventilation performance was improved by predicting downdrafts along the façade and improving airflow distribution.  CFD Flow modeling included the impact of the bris-soleil and a downdraft collector.

    Optimized thermal comfort: An optimum thermal comfort arrangement was determined through a series of CFD model studies, which included comparison of different diffusers adjacent to a giant LED TV screen in the lobby.

  • Resources

    Project Profile: Comcast Center - Motion