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[Current]  [Results]  [Temperature Regulation Valve]  [Test Durations]  [Viscosity]

Current Results and Analysis:

David Leckman performed numerous experiments pertaining to the ECEL's Air Compressor Experiment. The purpose of these experiments was to develop a further understanding of how energy consumption varies between different synthetic lubricants and to acknowledge how performance varies with operating temperatures and atmospheric conditions.

Atlas Copco air compressors are sold with and without a temperature regulation valve.  As the air is compressed, the synthetic oil absorbs the heat of compression from the oil, where it is later cooled by after coolers.  The temperature regulation valve limits the amount of hot synthetic oil which can pass through the after coolers, thus acting as a temperature regulator.  With the temperature regulation valve removed, the compressor operates with maximum after cooling of the synthetic oil.  To learn more about the effect of the temperature regulation valve, click here.

 

Click on the links below to view more information:

Order of lubricant testing.

Testing Period

Compressor 1

Compressor 2

Compressor 3

Compressor 4

2/28/03 - 3/18/03

HDR Trial 1, 2

 

 

 

3/23/03 - 4/11/03

 

 

 

Synoil Trial 1, 2

4/11/03 - 5/7/03

HDR Trial 3-5

 

 

 

5/8/03 - 5/21/03

 

 

 

Synoil Trial 3, 4

5/22/03 - 6/26/03

 

 

 

SH-46 Trial 1-4

6/26/03 - 7/23/03

SH-46 Trial 1-4

 

 

 

7/23/03 - 10/6/03

Synoil Trial 1-16

 

 

 

10/26/03 - 11/3/03

 

Synfilm Trial 1-6

 

 

11/7/03 - 11/12/03

 

SH-46 Trial 1-4

 

 

11/12/03 - 11/21/03

 

Synoil Trial 1-6

 

 

12/15/03 - 12/21/03

 

HDR Trial 1-4

 

 

1/15/04 - 1/20/04

HDR2 Trial 1-4

 

 

 

1/22/04 - 2/4/04

 

 

 

HDR2 Trial 1-5

2/5/04 - 2/11/04

 

 

 

SH-462 Trial 1-5

2/11/04 - 2/17/04

 

 

 

Synoil Trial 1-5

2/17/04 - 2/25/04

 

 

 

Synfilm Trial 1-7

2/26/04 - 3/10/04

SH-462 Trial 1-11

 

 

 

3/13/04 - 3/22/04

Synfilm Trial 1-9

 

 

 

3/22/04 - 2/29/04

 

 

Synoil Trial 1, 2

 

3/29/04 - 4/1/04

 

 

SH-462 Trial 1, 2

 

4/1/04 - 4/12/04

 

 

HDR2 Trial 1-3

 

3/13/04 - 3/15/04

 

 

SH-462 Trial 3,4

 

3/15/04 - 3/16/04

 

 

Synfilm Trial 1

 

 

The temperature regulation valve was removed for the following trials:

  • Compressor 1

    • HD-Rotofluid Trials 4, 5

    • C1 SH-46 Trials 3, 4

    • C1 Synoil Trials 3, 4

  • Compressor 4

    • SH-46 Trials 3, 4

    • Synoil Trials 3, 4

 

The amount of after cooling was modified with the temperature regulation valve removed for the following trials:

  • Compressor 1

    • Synoil Trials 5-11 (intermediate)

    • Synoil Trials 12, 13 (hot)

     

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Department of Mechanical Engineering
University of Wisconsin-Milwaukee
Post Office Box 784
Milwaukee, Wisconsin 53201-0784 U.S.A.

Please email John Reisel (reisel@uwm.edu ) with any questions or comments about his web site.

Last modified: May 26, 2004

Copyright 1997-1999 by Dr. John R. Reisel and Dr. Kevin J. Renken.
Unauthorized use, copying or mirroring of information provided by this Web Page is strictly prohibited.