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Minivan economy and power research

Author: XiongWeiJiang
Tutor: LiShuYing；QiuFaQiang
School: Harbin Engineering University
Course: Power Engineering
Keywords: Legislation Dynamic Fuel consumption Optimization Verification
CLC: U469
Type: Master's thesis
Year: 2007
Downloads: 145
Quote: 1
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Abstract


As energy increasingly tense , countries have legislation to promote energy saving work . China has also promulgated the \The regulations in the production of a new car and car fuel consumption limits and standards for the execution time , the automobile companies constitute a significant constraint . Makes the car companies on the vehicle dynamic economy and should be given attention. Changed the users and manufacturers had to pay more attention the vehicle's mobility : maximum speed , maximum gradeability , acceleration and other habits. Fuel shortages caused by rising oil prices make users more concerned about vehicle fuel consumption standards ; automobile fuel economic law, the automobile manufacturers paid special attention to the fuel economy of automotive products : Unit with mileage less fuel consumption , running costs more low , consumers , communities and nations more supportive . Therefore, all the car manufacturers are doing everything possible to use various methods to ensure the vehicle 's power, reducing vehicle fuel consumption and improve the economy. For Dongan company , due to our limitations , you can not use more advanced technologies. But based both conditions are altered in the case of the smallest , so as to satisfy regulatory requirements. Dongan part of the company vehicle fuel consumption levels did not meet regulatory requirements. In the current conditions, the most effective and efficient solution is to optimize the transmission gear ratio , or other methods can not reach the target , or to achieve the target, but other indicators can not meet the requirements. Through the main models of the economy and power of analysis and calculation, to understand the current state of the car's dynamic performance and economic performance. Based on this combination by adjusting system parameters to calculate the fuel consumption in different combinations , gradeability , maximum speed , acceleration . According to calculations provided guidance through the actual bench , without changing the state of the engine and vehicle in the case , the main vehicle by adjusting the reduction gear ratio , you can make these vehicles meet the state promulgated the first fuel economy regulations stage requirements, so that the interests of preservation of the vehicle , has achieved remarkable results.

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