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Optimization of the diesel operating process - PowerPoint PPT Presentation

Optimization of the diesel operating process. Student: Andrey Gubanov Group: E2-18 Scientific adviser: Myagkov L.L. Language adviser: Bykovskaya L.I. Contents. Object of the investigation; Purpose and restrictions; Optimized parameters; Turbocharger; Structural analysis;

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Optimization of the diesel operating process

Student: AndreyGubanov

Group: E2-18

• Object of the investigation;

• Purpose and restrictions;

• Optimized parameters;

• Turbocharger;

• Structural analysis;

• Results.

• 1.5L 4-stroke diesel engine;

• 4 inline cylinders

• Ne = 32.7kWt at 4500 rpm

1.1 Diesel engine

Purpose:Ne = 82.5kWt

Restrictions:

• Pz= 180 bar;

• Pinj= 2000 bar;

• Matching Euro-5 ecological standard.

3. Optimized parameters

4.1 Turbocharger

• πk =2.5;

• G = 0.114 kg/s;

• N = 153 000 rpm;

• η = 0.43.

4.1. 3D model of the turbocharger

4.2 Turbocharger

Compressor inlet

Compressor discharge

Charge air cooler

Intake manifold

Exhaust manifold

Turbine inlet

Turbine discharge

4.2. The turbo system operation

4.3 Turbocharger

4.3. The turbocharger construction

Object: Compressor wheel

Material:aluminum alloy

n = 1.51

5.1. Stress distribution in

the compressor wheel

6.1 Results

6.1. Power capacity (Ne) dependence from revolution rate (n)

6.2 Results

Euro-5

6.2. NOx emission dependence from revolution rate (n)

6.3 Results

Conclusion. As a result of the optimization the significant increase of power capacity and torque was obtained. The negative result is the system complication and more stringent technical maintenance requirements.