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How to Save Energy and Reduce Consumption for Trailers with Rising Oil Prices

August 30, 2022

Studies have shown that,When a 49TSemitrailer traction train at 90 km/hWhen traveling at a constant speed,46% of its energy consumption%It is used to overcome wind resistance.,It is closely related to the fuel consumption of the whole Vehicle.。So in the design of the trailer,,The problem of wind resistance has been paid more and more attention。

Moreover, the freight market is weak.,Decrease in freight rates,Rising oil prices,Card friends can't make money.。The design of saving fuel and reducing consumption undoubtedly caters to the needs of card friends.,Today we walk into Shandong Shouda Automobile Manufacturing Co., Ltd.(Hereinafter referred to as Shouda Automobile),Find out how their trailers reduce fuel consumption。

Scientifically shorten the gap between two Vehicles

“The drag coefficient of the gap between the Tractor and the semitrailer accounts for 16% of the drag coefficient of the whole train% Left and right,While 16%A drag coefficient of means that there are 6%-8% Fuel saving space。If we can improve the design in this respect,,You can save a lot of money for your card friends.。”Shouda Automobile Chairman Gao Feng said.。

Under the leadership of General Manager Gao,The talent echelon of the first 30 automobiles optimizes the original design.,And trial and error.,Finally formed a team consensus.。

“According to our team's in-depth study,,On the premise of ensuring the front turning radius of the trailer,Finally found the scientific distance between the semi-trailer and the Tractor.,Dramatically reduces gap wind resistance,Minimize fuel consumption,At the same time, we have some unexpected gains.。”Shouda automobile technicians revealed.。

Unexpected gains mentioned by Shouda technicians,It refers to the wrap angle design.。The front and sides of the first semi-trailer are rounded.,Compared to square corners.,This design disperses the air flow,Ffectively reduce wind resistance,Reduced fuel consumption,It can also play a reinforcing role.。

Shape optimization design

“As that Vehicle travel at higher and high speeds,,More and more attention has been paid to the wind resistance of vehicles.,The air resistance is closely related to the body structure.。Due to the need to carry cargo,The shape and structure of the semi-trailer are relatively fixed.,So we can only start with some shape details.。”Shouda automobile technicians revealed.。

The traditional semitrailer cap cover is mostly composed of a pipe frame and a cap cover plate which is closely covered on the pipe frame.,Usually in the form of a cuboid,Not only will it produce greater air resistance,、Increase fuel consumption,And it leaks.。

And the surface of the cap body of the Shouda automobile is a cambered surface.,The cambered streamline can greatly reduce the air resistance of the semi-trailer hood.,Reduce fuel consumption of semi-trailer,At the same time, it solves the hidden danger of water leakage.。

Rhombic column may be used as the column of the first trailer,Compared with standard column,The diamond-shaped design makes the surface wind pressure、The aerodynamic force showed an overall downward trend.,The overall airflow is more uniform.,Better energy saving and consumption reduction。

“Design for box board,Shouda will also customize according to the needs of customers.。If the cargo permits,We will adopt the box board semi-enclosed design.,Ffectively prevent that airflow from directly hitting the surface of the cargo compartment,Reduced pressure drag,But also can reduce self-weight.。”Shouda automobile technicians revealed.。

Improve chassis design

“The wind resistance of the semi-trailer chassis should not be underestimated.,We have a comprehensive study of the chassis technology.,Finally, the design of variable cross-section and dovetail was developed.,Ffectively reduce wind resistance,Reduced airflow impact,It also has multiple effects.。”Shouda automobile technicians revealed.。

Smooth lines in dovetail design,Avoid turbulent airflow hitting the bottom of the trailer,Ffectively reduce that surface resistance;At the same time, the larger section is used at the larger bending moment.,Use smaller sections where the bending moment is small,While the same load can be guaranteed,Reduce self-weight。

 

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