10 pages hybrid - Ian Tierson 4/9/2008 Dr. Karim Physics in...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Ian Tierson 5/7/2009 Dr. Karim Physics in Modern Technology Final Paper Hybrid Cars A recent trend of increasing gas prices has caused many american consumers to look for fuel economy as a determining factor in the vehicles they purchase. Hybrids, while they do inccrease fuel economy over a standard vehicle, do not produce enough benefit to outweigh the costs. Theyu are sold under production cost, and will detriment the environment through a multi stepped process rather than directly placing poluttants in the air. A hybrid car works on a simple philosophy. This philosophy is that by combining gasoline power with electric power you can balance efficiency with capability. The basic concept is that a standard
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
gasoline powered engine is accompanied by an electric motor. As the picture above demonstrates, the primary components of a hybrid vehicle include an internal combustion engine, a battery or collection of batteries, an electric motor, a generator, a computer, and a transmission. The physics of a hybrid car are extremely complex, however they can be summarized in a reasonable manner. The car has a gasoline engine that is very similar to the one in most cars on today’s market. However there is one primary difference, the engine on a hybrid is smaller and reduces emissions to increase efficiency. Gas is much more efficient than battery power for storing energy, it takes about 1,000 pounds of batteries to create energy equivalent to 1 gallon of gasoline (which weighs about seven pounds). The hybrid car uses a very technologically advanced electric motor with capabilities that allow it to act as a generator as well as driving the wheels of the car. It does this by taking the kinetic energy of the car and tranferring it into electricity while the car is slowing down. A hybrid generator works like the electric motor’s regeneraative braking feature. While the transmission on a hybrid car
Background image of page 2
performs the same basic function as the transmission on a conventional car, some hybrids have very different transmissions. Another feature of hybrids that helps to maximize efficiency is the ability of the vehicle to shut off the gasoline engine when it isn’t needed, i.e. idling at a stop light. Advanced aerodynamics are used to reduce air resistance so that the engines have to output less power to maintain a certain speed. This is shown in the picture on the
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/07/2008 for the course PHYS 113 taught by Professor Karim during the Fall '06 term at St. John Fisher College.

Page1 / 10

10 pages hybrid - Ian Tierson 4/9/2008 Dr. Karim Physics in...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online