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Start - Coggle Diagram
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Launch Minitab Software
Open Minitab 21.4.1 (64-bit)
Raw Data Entry
Compression Ratio (CR)
Cooling Water Flow Rate (CWFR)
Load
Brake Thermal Efficiency (BTE)
NOx Emissions
Taguchi Design Creation
Select L9 Orthogonal Array
Define control factors:
CR (3 levels)
CWFR (3 levels)
Load (3 levels)
Store design in worksheet
Assign Response Variables
BTE as Response 1
NOx as Response 2
Save experimental layout
S/N Ratio Selection
For BTE → Select Larger is Better
For NOx → Select Smaller is Better
Apply selection separately for each blend
Taguchi Analysis for BTE
Select BTE column as response
Choose Larger is Better
Main Effect Plots
Response Tables
BTE-B15
BTE-B20
BTE-B25
Taguchi Analysis for NOx
Select NOx column as response
Choose Smaller is Better
Main Effect Plots
Response Tables
NOx-B15
NOx-B20
NOx-B25
Identification of Optimal Levels
By analyzing main effect plot
By analyzing the response tables
Regression Model Development
3 more items...
Create a new worksheet