Heat Transfer Re-visited Again! - NCRS Discussion Boards

Heat Transfer Re-visited Again!

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • Doug Flaten

    #31
    Re: Jerry: Exchange faster / Better?

    Everett, ou bring up an excellent point in that these cars essentially had a one size fits all cooling system regardless of the engine power rating which may vary by 100 HP. By the time that the Hi-Po engine and AC was added, I'm sure that if the cooling system was marginal and would have required some kind of retooling to upgrade it, the bean counters sent the car out of the door.

    Comment

    • Tom B.
      Very Frequent User
      • February 1, 1994
      • 779

      #32
      Perpetual Motion Machine

      Well guys, looks like I'll file this away in "Pending Conclusions" along with all the plans for perpetual motion. Thanks to all that joined in. I for one broadened my outlook. Tom #24014

      Comment

      • Tom B.
        Very Frequent User
        • February 1, 1994
        • 779

        #33
        Perpetual Motion Machine

        Well guys, looks like I'll file this away in "Pending Conclusions" along with all the plans for perpetual motion. Thanks to all that joined in. I for one broadened my outlook. Tom #24014

        Comment

        • Jack H.
          Extremely Frequent Poster
          • April 1, 1990
          • 9906

          #34
          Heat Transfer or Field Theory?

          The dummy EE here remembers thermo as a 'steam table lookup' exercise.... But, heat and electricity are often used as 'duals' of each other in difficult modeling situations (easier in an alternative energy media than the one you're working in sometimes). This is probably 'history' these days with the advance in digital computers and software.

          Seem to remember from field theory (stop me if I'm wrong but doesn't heat and electric/magnetic field both obey Maxwell?) the spread of potential energy (are we sure this is a kinetic issue) varies with geometry of source/sink....

          Field intensity from a point source decreases as one over the square of distance from the source/sink. Intensity decreases as one over the distance from a line source/sink. And field intensity is CONSTANT regardless of the distance from a planar source/sink.

          Sooo, depending on how the cooling/heat source 'appears' to the coolant, you could generate almost instantaneous temp deltas in a planar system....

          Comment

          • Jack H.
            Extremely Frequent Poster
            • April 1, 1990
            • 9906

            #35
            Heat Transfer or Field Theory?

            The dummy EE here remembers thermo as a 'steam table lookup' exercise.... But, heat and electricity are often used as 'duals' of each other in difficult modeling situations (easier in an alternative energy media than the one you're working in sometimes). This is probably 'history' these days with the advance in digital computers and software.

            Seem to remember from field theory (stop me if I'm wrong but doesn't heat and electric/magnetic field both obey Maxwell?) the spread of potential energy (are we sure this is a kinetic issue) varies with geometry of source/sink....

            Field intensity from a point source decreases as one over the square of distance from the source/sink. Intensity decreases as one over the distance from a line source/sink. And field intensity is CONSTANT regardless of the distance from a planar source/sink.

            Sooo, depending on how the cooling/heat source 'appears' to the coolant, you could generate almost instantaneous temp deltas in a planar system....

            Comment

            • Doug Flaten

              #36
              Re: Heat Transfer or Field Theory?

              I'm a Petroleum Engineer with a Geology degree and they put me to work as a Facility engineer with a electrical generation plant and a gasoline plant. I did not do to well in my electrical engineering classes or my thermodynamic classes and I think it may have been because my professors said the same thing that Jack just said or something similar. I'm not sure what you said but I ain't got the ammunition to shoot any holes in it. Sooooo....

              Well said whatever you said.

              Comment

              • Doug Flaten

                #37
                Re: Heat Transfer or Field Theory?

                I'm a Petroleum Engineer with a Geology degree and they put me to work as a Facility engineer with a electrical generation plant and a gasoline plant. I did not do to well in my electrical engineering classes or my thermodynamic classes and I think it may have been because my professors said the same thing that Jack just said or something similar. I'm not sure what you said but I ain't got the ammunition to shoot any holes in it. Sooooo....

                Well said whatever you said.

                Comment

                • Jack H.
                  Extremely Frequent Poster
                  • April 1, 1990
                  • 9906

                  #38
                  Re: Heat Transfer or Field Theory?

                  You 'roll over' too fast, Amigo. I might be all wet. Just know when probe a circuit with my voltmeter/oscilloscope, I don't gotta wait out a 'settling' or 'electron transfer' time. It's potential energy I'm probing (voltage) and that's a field. Also know, when I walk into my wife's cooler at her liquor store on a hot day like today, I feel IMMEDIATE temp change as I'm a point sink in a 3-D planar field....

                  Comment

                  • Jack H.
                    Extremely Frequent Poster
                    • April 1, 1990
                    • 9906

                    #39
                    Re: Heat Transfer or Field Theory?

                    You 'roll over' too fast, Amigo. I might be all wet. Just know when probe a circuit with my voltmeter/oscilloscope, I don't gotta wait out a 'settling' or 'electron transfer' time. It's potential energy I'm probing (voltage) and that's a field. Also know, when I walk into my wife's cooler at her liquor store on a hot day like today, I feel IMMEDIATE temp change as I'm a point sink in a 3-D planar field....

                    Comment

                    • Doug Flaten

                      #40
                      Re: I Can See Clearly Now

                      I think that Budwieser I had last night fogged my vision. Re-reading you post and your clarification make sense today. My head gets lazy at times. I always admired you EE types because us pipe fittin' guys know that you guys play with that "MAGIC" Electrical stuff that you can't see. But it can damn sure bite you.

                      Comment

                      • Doug Flaten

                        #41
                        Re: I Can See Clearly Now

                        I think that Budwieser I had last night fogged my vision. Re-reading you post and your clarification make sense today. My head gets lazy at times. I always admired you EE types because us pipe fittin' guys know that you guys play with that "MAGIC" Electrical stuff that you can't see. But it can damn sure bite you.

                        Comment

                        • Jack H.
                          Extremely Frequent Poster
                          • April 1, 1990
                          • 9906

                          #42
                          Coldest Week....

                          Had a good ole boy tech who worked for me at Texas Instruments. Taught himself all electronics by booking at night without formal education beyond high school. Rose to position of Sr. Technical Staff (top 0.5% of engineers). Impressive dude!!!

                          First job was as radar tech for RCA on the Dew Line in Canada/Alaska in the late 50's. Talked about the joys of living through the coldest week in recorded history. Mercury NEVER went above -85F (forget the wind chill hoo ha).

                          Said there was only ONE car in the area that would work ('57 Chevy, not Ford, Pontiac or earlier/later Chevy). Other cars could/would start and boogie down the road. BUT, they lost BTU's from the engine block FASTER than internal combustion process restored 'em and within a limited distance, died in their tracks....

                          The '57 Chevys worked to make the commute from support living quarters to base, but always went in 'convoy' -- take no chances as we're talking distinct threat to life/limb here. Much more on this thread, but save it for a beverage at an NCRS Convention somewhere/sometime. Point is, to have the dubious distinction of being the ONLY car to function under these conditions, the 1-year only '57 Chevy styling must have been a real 'dog' in terms of cooling system efficiency????

                          Comment

                          • Dale Pearman

                            #43
                            Re: C1 CLUTCH RETURN SPRING

                            Clutch spring was hanging from the cross shaft during blackout. It is therefore natural, with the yellow, and will have blackout paint to some degree on both the yellow and raw steel.

                            Dale.

                            Comment

                            Working...
                            Searching...Please wait.
                            An unexpected error was returned: 'Your submission could not be processed because you have logged in since the previous page was loaded.

                            Please push the back button and reload the previous window.'
                            An unexpected error was returned: 'Your submission could not be processed because the token has expired.

                            Please push the back button and reload the previous window.'
                            An internal error has occurred and the module cannot be displayed.
                            There are no results that meet this criteria.
                            Search Result for "|||"