Ag. Power & Engr

Ag. Power & Engr - Agricultural Power Mathematics...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Agricultural Power Mathematics & Engineering Mathematics Constants Constants • Force (4) • Distance (3) • Time (3) Work, Power, & Torque Work, • Work -W- (5) Work -W• Power -P- (4) Power -P• Torque -To- (4) Torque -To- HORSEPOWER HORSEPOWER • Drawbar Horsepower: Drawbar (6) (6) • Brake/Shaft Horsepower: Brake/Shaft (5) Expressions of Horsepower Expressions • Automobiles: – Brake Brake – Net • Tractors: – Drawbar – PTO – Rated Q u i k T i e ™ n d c m a a G I e c o mp r s s o r Fd e ar eeded ee i i t r . en o ts h t spcue The Torque/Horsepower Relationship Relationship Hp & To rpm Link to Website Link to Website Link to Website Sizing Engines Sizing • Cylinder Number: • Horsepower: • Engine Displacement: Number Of Cylinders & Horsepower Horsepower • Single - 12 Cylinder Examples: • Horsepower: (2) Engine Displacement Engine • Indicates the relative size or volume of an Indicates engine and it’s potential to produce power. engine • Piston Displacement: (3) • Engine Displacement: (2) • Conversion of SAE to Conversion Metric: Metric: – Value Bases – Factor Label Factor Compression Ratio Compression • • • • Efficiency & Power TDC vs. BDC vs. CV Formula Higher Compression Gives Higher Us: Us: Let’s See Compression Ratio In Action! Let’s 8:1 SI Three Cylinders with an Approximately Equal Charge. What will happen? 8:1 SI 20:1 CI ...
View Full Document

This note was uploaded on 01/16/2012 for the course AGSD 201 taught by Professor Kylemcgregor during the Fall '11 term at Tarleton.

Ask a homework question - tutors are online