Search results

• Spring (device)
  ...''' is a flexible [[elasticity|elastic]] object used to store mechanical [[energy]]. Springs are usually made out of [[hardened steel]]. Small springs can be *[[Rubber band]] - a tension spring where energy is stored by stretching the material.
  5 KB (792 words) - 22:45, 23 September 2009
• Fuel
  ...nly when needed, and that the release is controlled in such a way that the energy can be harnessed to produce [[work]]. ...hat go far beyond the energy needs of a [[human body]]. The application of energy released from fuels ranges from [[heat]] to [[cooking]] and from powering [
  5 KB (857 words) - 12:20, 8 October 2009
• Powertrain
  ...omponents to transform chemical, physical or nuclear energy into secondary energy and deliver it to the interface to the outer world for propulsion purposes. ...ally in Europe. If acceleration is adapted automatically to follow minimal energy consumption and minimal environmental pollution, performance may suffer. Th
  5 KB (662 words) - 08:03, 8 October 2009
• Car battery
  ...car battery''' is a type of [[rechargable battery]] that supplies electric energy to an [[automobile]]. It can be a '''SLI battery''' (''Starting - Lighting ...eries]] that provide a nominal 12-[[volt]] (actually 12.6 volts) [[Voltage|potential difference]] by [[Kirchhoff's circuit laws|serially]] connecting six [[Galv
  10 KB (1,612 words) - 20:21, 6 July 2009
• Rotary combustion engine
  All such engines have the potential to improve on the piston engine in the areas of: ...to be the seals, and as of 2005 all proposed designs have some of the same potential weaknesses.
  7 KB (1,137 words) - 20:22, 22 September 2009
• Power (physics)
  ...be modeled as an [[energy]] flow, equivalent to the rate of change of the energy in a system, or the time rate of doing work, :''E'' is [[energy]]
  8 KB (1,393 words) - 12:16, 8 October 2009
• Roadway noise
  '''Roadway noise''' is the collective sound energy emanating from [[motor vehicle]]s. In the USA it contributes more to enviro ...ry warning noise may not alert the pedestrian to nearby danger, creating a potential hazard for visually-impaired people, who rely on such noise to navigate in
  7 KB (1,112 words) - 22:47, 11 June 2009
• Electric vehicle
  The [[energy]] used to propel the vehicle may be obtained from several sources: *from [[chemical energy]] stored on the vehicle in on-board batteries: [[Battery electric vehicle]]
  18 KB (2,741 words) - 15:59, 24 June 2009
• Combustion chamber
  ...n a [[crankshaft]] or a [[turbine|turbine disc]] in a [[gas turbine]]. The energy can also be used to produce [[thrust]] when directed out of a [[nozzle]] as ...es displace room for fresh air/fuel mixture and will thus reduce the power potential of each firing stroke.
  4 KB (570 words) - 14:59, 25 September 2009
• Bremach
  ...nother as a pure Electric Vehicle (EV) powered by electric motors and with energy stored in Lithium batteries. Both prototypes received great attention at tr
  3 KB (522 words) - 08:05, 25 October 2011
• Hydrogen vehicle
  ...an be better controlled. Hydrogen could also be produced from [[renewable energy]] sources with (in principle) no net carbon dioxide emissions. There are b ...ombustion engine]], but they produce more pollution than would use of that energy in [[plug-in hybrid electric vehicles]]. Hydrogen fuel cells generate less
  22 KB (3,293 words) - 00:01, 23 June 2009
• Spacecraft propulsion
  ...ate ions out the back. Here some other source must provide the electrical energy (perhaps a [[solar panel]] or a [[nuclear reactor]]) while the ions provide ...propulsion system, designers often focus on the reaction mass. After all, energy can in principle be produced without much difficulty, but the reaction mass
  30 KB (4,590 words) - 20:28, 7 August 2008
• Seat belt
  ...front seats of cars, the back seats having only lap belts. Evidence of the potential for lap belts to cause separation of the [[lumbar vertebrae]] and the somet ...ible that the types of injury modelled in the trials were only a subset of potential serious injuries — for example, oblique impacts may produce twisting forc
  7 KB (1,222 words) - 10:44, 8 October 2009
• Four-cylinder
  ...ce it can provide high power to weight ratios together with excellent fuel energy-density. These engines have appeared in almost all [[Automobile|car]]s, [[m ...e for most mobile applications. However, the high cost and weight and poor energy density of [[battery (electricity)|batteries]] and lack of affordable onboa
  22 KB (3,344 words) - 22:07, 11 August 2009
• Pistonless rotary engine
  All such engines have the potential to improve on the piston engine in the areas of: ...e the seals, and [[as of 2005]] all proposed designs have some of the same potential weaknesses.
  10 KB (1,627 words) - 08:32, 2 October 2009
• Internal-combustion engine
  ...em]] to the [[combustion chamber]], and that the fuel release sufficient [[energy]] in the form of [[heat]] upon [[combustion]] to make use of the engine pra ...ce it can provide high power to weight ratios together with excellent fuel energy-density. These engines have appeared in almost all [[Automobile|car]]s, [[m
  20 KB (3,085 words) - 13:24, 8 October 2009
• Paris-Brest-Paris
  ...d by a few great professional athletes as a demonstration of the bicycle's potential, today the focus is on the ordinary or casual rider. However, PBP continues ...His diet included 12 pounds of celery, which he thought to be an important energy source.
  8 KB (1,309 words) - 17:37, 13 June 2009
• Internal combustion engine
  ...ce it can provide high power to weight ratios together with excellent fuel energy-density. These engines have appeared in almost all [[automobile]]s, [[moto ==Energy==
  40 KB (6,068 words) - 09:48, 2 August 2009
• Wankel engine
  ...racted from the same volume of fuel, as the exhaust has to expend time and energy "catching up" to the rotor before it can accomplish any work. {{citation n ...n]] [[New Beetle]]. In this car, when [[deceleration]] [[sensor]]s sense a potential crash, small explosive cartridges are triggered electrically and the result
  23 KB (3,604 words) - 09:49, 2 August 2009
• Airbag
  Although they were touted in the 1960s and 70s as a potential seat belt replacement, automobile airbags are now designed and sold as supp ...be properly trained on how to safely deactivate airbags or be aware of the potential hazards. Removing the car battery may be a good precaution.
  24 KB (3,909 words) - 10:43, 8 October 2009

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)