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Stephen Ressler

Stephen Ressler >

37
Videos
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User-Centered Design
Episode 25 of Everyday Engineering
Using the faucet as an example, study the bewildering number of ways that hot and cold water can be delivered into a sink, reflecting the challenges of designing everyday things. Along the way, consider the principles that go into a…
Engineering and Technology in Your World
Episode 1 of Everyday Engineering
Start the course by considering how engineering and technology influence your daily life--not just high-tech devices but also ordinary machines, buildings, and infrastructure that most people take for granted. In this lecture series you will learn to notice and understand…
Wastewater Disposal and Treatment
Episode 9 of Everyday Engineering
What happens to the 150 gallons of water that the average person uses and then sends down the drain each day? Delve into wastewater disposal and treatment. Among the details you investigate are the S-shaped trap in a waste pipe…
Three Structural Systems for Load Bearing
Episode 3 of Everyday Engineering
Examine one of the most important aspects of modern building codes: the design of a house for structural load carrying. Focus on two of the three major approaches to this crucial function: bearing wall construction and heavy timber frame construction.…
Renewable Sources of Electricity
Episode 13 of Everyday Engineering
Survey the three most important sources of renewable energy: hydropower, wind power, and solar power. Look at the inner workings of hydroelectric dams, wind turbines, solar-thermal power stations, and photovoltaic arrays to see how each takes a renewable energy source…
Platform-Framed Housing Construction
Episode 4 of Everyday Engineering
Turn to the third major technique for building a house: platform-framed construction, which is a flexible arrangement of lightweight modular floor platforms, wall panels, and roof trusses. This efficient approach has been widely used in the U.S. for over a…
The Building Envelope
Episode 5 of Everyday Engineering
Now that your house is framed, it needs a building envelope that can shed rainwater and melting snow, and also keep precipitation from entering through the foundation. Learn about the five integrated layers of protection: shingles and cladding, drainage plane,…
Water Treatment and Distribution
Episode 8 of Everyday Engineering
Learn how raw water from nature is treated to make it safe for drinking. Then trace the distribution system that supplies water under pressure to users. Professor Ressler demonstrates two crucial technologies in this system: the flocculation chamber and the…
Your House as an Engineered System
Episode 2 of Everyday Engineering
In the first of four lectures on your house as a technological system, review the eight engineered subsystems that go into modern dwellings. Then discover the miracle of building codes, which ensure that every new house is safe, constructible, and…
Heating, Ventilating, and Air-Conditioning
Episode 17 of Everyday Engineering
Explore heating, ventilating, and air conditioning--known as HVAC. Begin by learning how thermostats regulate temperature. Then review how heat transfer takes place, and investigate the pros and cons of heating with a furnace, boiler, and heat pump. See how air…
Everyday Thermodynamics: Refrigeration
Episode 16 of Everyday Engineering
Unravel the secret of refrigeration by focusing on the connection between heat, temperature, work, and energy. Then see how these thermodynamic concepts apply to the vapor-compression cycle in your refrigerator or air conditioner. Discover that a heat pump operates the…
Passive Solar and Net-Zero-Energy Homes
Episode 19 of Everyday Engineering
How much energy can you save with a properly designed house? Would you believe all of it? Trace the trend in passive solar and net-zero-energy homes that are engineered to stay comfortable year-round by exploiting sunlight in winter and shielding…
Site Design and Storm Runoff
Episode 6 of Everyday Engineering
What happens to the precipitation that falls on your house, your lot, and your neighbors' properties? Study the problem of site design, focusing on how storm runoff is directed away from homes and returned to a natural watercourse, without causing…
Oil, Gas, and Nuclear Power
Episode 12 of Everyday Engineering
Probe the tradeoffs of oil, natural gas, and nuclear fission for generating electrical power. For example, natural gas is plentiful and flexible, but it involves fracking and produces carbon dioxide emissions. By contrast, nuclear power produces essentially zero emissions but…
The Internal Combustion Engine
Episode 26 of Everyday Engineering
Begin the first of four lectures on automotive engineering by exploring that marvel of mechanical sophistication: the internal combustion engine. Professor Ressler uses homebuilt models to demonstrate the ingenious design of the four-stroke power cycle and how it works in…
Traffic Engineering
Episode 31 of Everyday Engineering
Traffic engineers help to ensure the safe and efficient movement of vehicles and pedestrians within a road system. Focus on their approach to intersection design, examining the many factors that go into determining whether you're faced with a traffic signal,…
The Future: Engineering for Sustainability
Episode 36 of Everyday Engineering
Look beyond recycling to the higher goal of sustainability. Then close the course by considering the Great Northeast Blackout of 2003. Caused by inadequately pruned trees and a software bug, this cascading sequence of infrastructure failures holds important lessons for…
Electrical Power Transmission: The Grid
Episode 14 of Everyday Engineering
Study the technological marvel called the grid--the system that transmits electricity from its point of generation to users. Learn why electrical transmission lines come in threes, why AC power is used instead of DC, and the reason transmission voltages are…
Fossil Fuels: Coal, Oil, and Natural Gas
Episode 10 of Everyday Engineering
Coal, oil, and natural gas power the vast majority of electrical generating plants in use today. Learn how fossil fuels are extracted from the earth and how new technologies such as longwall mining and fracking have revolutionized the industry. Also…
Power Generation from Coal
Episode 11 of Everyday Engineering
Focus on the dominant source of electricity in the U.S. today: coal. Begin by reviewing concepts from thermodynamics that explain how power plants work. Then follow the processes that turn a hopper full of coal into abundant electrical power, extracting…