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    • Engineering Design
      • Hydraulic Structures
      • Gas Flow Systems
      • Fluid Systems & Components
      • Fisheries Engineering
        • Fish Passage
        • Fish Protection
      • Dam Safety
    • Modeling
      • Hydraulic Modeling & Consulting
      • Gas Flow Modeling & Consulting
      • Physical Modeling
      • Numerical Modeling
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    Flow Science and Engineering Experts

    Since 1894, we’ve been working with clients across industries to solve their most complex flow-related engineering and environmental problems.

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    Engineering Design

    No one better understands the impact of flow on designs like we do. Work with us to create a design or let us investigate your current process for an optimized solution.

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    Modeling

    Our team doubles as consultants to help you pick the best modeling approach for your particular need. After all, it is the backbone of our company.

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    Testing

    Just like you, we understand the importance of quality. Whether you’re resolving a known issue or developing new technology, we’ll work with you to assure performance of your design or equipment.

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    Flow Meter Calibration

    We are the largest independent supplier of National Institute of Standards and Technology (NIST) traceable flow meter calibrations in the country.

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    Regulatory Compliance

    We work with you to help you meet regulatory requirements, quality assurance standards, or resolve emergent issues.

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    What makes us stand out?

    Without a doubt, our employees are our biggest assets. Our expertise and experience, however, is matched by our facilities. Learn more about them and what it means for you, our clients.

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    Featured projects

    Helping our clients meet their needs and exceeding their expectations:

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    Numerical Modeling, Sediment Modeling
    Mid-Barataria Sediment Diversion

    Between 1932 and 2010 the state of Louisiana has lost about 2006 square miles of land due to a combination of subsidence,...

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    Physical Modeling
    Cedar Cliff Spillway

    The Cedar Cliff dam and hydropower project is located approximately six miles from Cullowhee, in Jackson Country, North...

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    Got a minute?

    Dive in to learn more about the technical expertise that has made us a leader in applied fluid dynamic consulting.

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    Technical Paper
    Air Ingestion and Transport Testing in a Rotating Drum Raw Water Strainer
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    Technical Paper
    Hydraulic Modeling of Air-Entraining Vortex Formation During Flow Withdrawal from Water Storage Tanks
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    Technical Paper
    Experimental ECCS Sump Strainer Head Loss Testing and the Incorporation of CFD Computed Source Terms for Pressurized Water Reactors
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    125 years

    History
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    Alden is as unique as each client and job that comes through our doors.

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