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  • Video 
    What is a Tuned Mass Damper?

    What is a Tuned Mass Damper?

    In many of the world’s tallest skyscrapers, there’s a secret device protecting the building and the people inside from strong motion due to wind and earthquakes. Did you know you can tune a skyscraper just like a guitar? In this video, we’re comparing theory to the real world for tuned mass dampers. Luckily this tech is simple enough that we can model it right in the garage. As silly as this little experiment looks, it’s actually not that far off from what engineers do in the real world (maybe without the googly eyes). The design phase for just about every major building includes some physical scale model tests. This video shows that the tuned mass damper is a great example of elegance in engineering.

    Subjects:
    Structural Engineering
    Keywords:
    Tuned mass dampers Buildings -- Earthquake effects Buildings -- Vibration
    Resource Type:
    Video
     
  • Video 
    How Do Sinkholes Form?

    How Do Sinkholes Form?

    Sinkholes form through both natural and human-made processes. Most of us think about erosion on the surface of the earth, but erosion can occur in the subsurface as well. In fact, scientist and engineers have a very creative name for just such a process: internal erosion. If just the right factors come together in the subsurface, some very interesting things can occur, including sinkholes.

    Subjects:
    Geotechnical Engineering
    Keywords:
    Sinkholes Soil erosion
    Resource Type:
    Video
     
  • Video 
    How Power Blackouts Work

    How Power Blackouts Work

    This video explores the protective systems that keep the power grid from self destructing. We usually think of the power grid in terms of its visible parts: power plants, high-voltage lines, and substations. But, much of the complexity of power grid comes in how we protect it when things go wrong. When your power goes out, it’s easy to be frustrated at the inconvenience, but consider also being thankful that it probably means things are working as designed to protect the grid as a whole and ensure a speedy and cost-effective repair to the fault.

    Subjects:
    Building Services Engineering and Electrical Engineering
    Keywords:
    Electric power failures -- Prevention Electric power distribution Electric power failures
    Resource Type:
    Video
     
  • Video 
    How Does a Hydraulic Ram Pump Work?

    How Does a Hydraulic Ram Pump Work?

    This video gives a quick description and demo of this ingenious pump. A hydraulic ram is a clever device invented over 200 years ago that can pump water uphill with no other external source of power except for the water flowing into it and there is a way to take advantage of this normally inauspicious effect for a beneficial use. The ram pump is an ingenious way to take advantage of the properties of fluids. We all need water for a variety of reasons, so being able to move it where we need it without any fancy equipment or external sources of power is a pretty nice tool to have in your toolbox.

    Subjects:
    Hydraulic Engineering
    Keywords:
    Hydraulic rams Pumping machinery
    Resource Type:
    Video
     
  • Video 
    Compress Air with No Moving Parts! - Trompe

    Compress Air with No Moving Parts! - Trompe

    This video gives a brief overview of this ingenious method of compressing air using only the power of water. The way a trompe harnesses the power of water to generate compressed air with no moving parts is fascinating and its use is seeing a small revival in modern days. A trompe can be useful in off-grid aquaponics and hydroponic systems that need aeration of the water. And, in fact, the inspiration for this video came from the late Bruce Leavitt, a mining engineer who pioneered the use of small trompes for aeration and treatment of mining water in remote locations without access to electricity.

    Subjects:
    Hydraulic Engineering
    Keywords:
    Air-compressors Compressed air Water-power Fluid dynamics
    Resource Type:
    Video
     
  • Video 
    What is Air Lock?

    What is Air Lock?

    This video shows a demonstration and brief explanation of air lock in fluid pipelines. If you assume that gasses don’t get into pipes or that they can’t constrict the flow, you might design a pipeline that doesn’t work. Luckily for engineers, this is a well-known phenomenon in pipe systems. It’s just one of the complexities that come with the job and we’ve come up a with a lot of creative ways to overcome it.

    Subjects:
    Building Services Engineering and Building and Real Estate
    Keywords:
    Fluid dynamics Pipelines
    Resource Type:
    Video
     
  • Video 
    CE 414: Structural Steel Design

    CE 414: Structural Steel Design

    This video explores the behavior and design of structural steel elements according to AISC 360. Design of tension members, bolted and welded connections, columns, beams, and beam-columns based on strength and serviceability requirements.

    Subjects:
    Structural Engineering
    Keywords:
    Building Iron steel Steel Structural
    Resource Type:
    Video
     
  • Video 
    Physics Fluid Dynamics

    Physics Fluid Dynamics

    This series of videos discuss the following topics in fluid dynamics: Bernoulli's equation, Stoke's Law, Reynolds Number, dynamic and kinematic viscosity, viscosity of water, viscosity of liquid, viscosity of gases, viscosity measurement, viscosity calculation, types of flow, object falling in a fluid, terminal velocity of an air, laminar flow between plates, Poisseuille's Law, drag coefficient, buoyancy and viscosity.

    Keywords:
    Fluid dynamics
    Resource Type:
    Video
     
  • Video 
    Project Management

    Project Management

    This free online project management course teaches the methods of project planning, scheduling, and controlling. The course consists of 45 tutorials which cover the material of a typical introductory project management course at the university level.

    Subjects:
    Building Services Engineering and Building and Real Estate
    Keywords:
    Production scheduling Construction projects Construction industry -- Management Project management
    Resource Type:
    Video
     
  • Video 
    Statics

    Statics

    This free online statics course teaches how to assess and solve 2D and 3D statically determinate problems. The course consists of 72 tutorials which cover the material of a typical statics course (mechanics I) at the university level or AP physics.

    Subjects:
    Structural Engineering and Mechanical Engineering
    Keywords:
    Mechanics Mechanics Analytic Mechanics Applied Statics
    Resource Type:
    Video