Project on electric car to increase the battery back up

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Discussion Overview

The discussion revolves around a project proposal to generate electricity using a turbine integrated into the front of an electric car, aimed at charging the battery that propels the vehicle. Participants explore the efficiency of this concept and potential implementation challenges, including drag forces and overall energy usage.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant proposes using a turbine to generate electricity for charging the battery of an electric car and seeks insights on efficiency and potential problems.
  • Another participant argues that the energy gained from the turbine would be less than the energy lost due to drag, suggesting that overall energy usage would increase.
  • A different viewpoint suggests that efficiency may decrease due to residual forces during electricity generation, recommending against such an arrangement as electric car power generation is already low.
  • Another participant acknowledges that the concept could work under specific conditions, such as only operating when the engine is on overrun, but emphasizes that regenerative braking systems would be more effective than turbines.
  • Concerns are raised about the practicality of adding a turbine, questioning why such systems are not widely implemented if they seem beneficial.

Areas of Agreement / Disagreement

Participants express differing opinions on the feasibility and efficiency of using a turbine in electric cars, with no consensus reached on the overall effectiveness of the proposed idea.

Contextual Notes

Participants highlight various assumptions regarding energy losses, drag forces, and the operational conditions under which the turbine might function effectively, but these remain unresolved.

raghavendra
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hi friends i am working on project that is to generate electricity by using turbine which is integrated in the front portion of an electric car to charge the battery in turn which is used to propel the car. may i know how much efficient it is and what are the problems may occur to implement this idea, such as drag force etc.
 
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To put it simply: Any energy you gain from the turbine will be significantly less than what you will lose from the engine due to the drag it produces.

Put simply, it will increase energy usage overall.
 
Your efficiency may decrease due to generation of residual force during generation of electricity in the winding. So better to not to apply this kind of arrangement as electric car power generation is too low..
 
This sort of thing can work, but you need it to work only when the engine is on overrun (ie no power input). A ducted system that has a flap that closes when the engine is under load for example. However regenerative braking systems will work better than turbines.

It's such an obvious thing to do to add a fan to gain. Why isn't it done everywhere?
The answer is becuase you don't really gain anything and it's just something else to go wrong.
 

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