insulating two ends of a rod with another
insulating two ends of a rod with another
(OP)
Hallo,
I have an aluminium rod (crossection: 10mx10m and Length: 80 mm, heat capacity 0.9) placed inside a chamber of 100m3. The rod consists of three sections along its length (20mm sections on both ends and a 40mm section in the middle). All sections are of aluminium.
I want to find out the influence of heat sources present in chamber on the ends of the rod (or locations where ends present inside the chamber). Thus I mounted two temperature sensors on the surface of the both sections on both ends.
The readings of the sensors would not be precise representation of the temperature of the ends due to heat flow (conduction) through the middle section. The middle section is mandatory in my system design. My idea is to replace the middle section with a section of an insulating material (eg. plastic). Which material should I select? The goal is to disconnect the heat flow between ends without inducing any other factor of measurement uncertainty. What factors to consider (eg. heat capacity).
Thnaks
simon
I have an aluminium rod (crossection: 10mx10m and Length: 80 mm, heat capacity 0.9) placed inside a chamber of 100m3. The rod consists of three sections along its length (20mm sections on both ends and a 40mm section in the middle). All sections are of aluminium.
I want to find out the influence of heat sources present in chamber on the ends of the rod (or locations where ends present inside the chamber). Thus I mounted two temperature sensors on the surface of the both sections on both ends.
The readings of the sensors would not be precise representation of the temperature of the ends due to heat flow (conduction) through the middle section. The middle section is mandatory in my system design. My idea is to replace the middle section with a section of an insulating material (eg. plastic). Which material should I select? The goal is to disconnect the heat flow between ends without inducing any other factor of measurement uncertainty. What factors to consider (eg. heat capacity).
Thnaks
simon





RE: insulating two ends of a rod with another
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P.E. Metallurgy, Plymouth Tube
RE: insulating two ends of a rod with another
RE: insulating two ends of a rod with another
For that matter, in a 100 m^3 chamber, why would you expect much temperature gradient over 0.04 m?
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RE: insulating two ends of a rod with another
RE: insulating two ends of a rod with another
RE: insulating two ends of a rod with another
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
FAQ731-376: Eng-Tips.com Forum Policies forum1529: Translation Assistance for Engineers Entire Forum list http://www.eng-tips.com/forumlist.cfm
RE: insulating two ends of a rod with another
RE: insulating two ends of a rod with another
Does a plastic insulator ensure me complete insulation between the ends? What to consider about the heat capacity of the insulation?
RE: insulating two ends of a rod with another
Insulators tend to have low heat capacities as well, since their density tends to help with thermal resistance. If 15C is a realistic temperature, then pretty much any insulator will work.
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
FAQ731-376: Eng-Tips.com Forum Policies forum1529: Translation Assistance for Engineers Entire Forum list http://www.eng-tips.com/forumlist.cfm
RE: insulating two ends of a rod with another
RE: insulating two ends of a rod with another
The temperatute in chamber of mostly 15 C°+/- 0.1C° but it can also be 20 C°+/- 0.1C° in very few cases.
Should the heat capacity of the selected insulator should match the heat capacity of aluminium (orignal material) for high accuracy of the temperature measurements on ends? I am considering Teflon due to heat capacity close to the heat capacity of the Aluminium (?)
RE: insulating two ends of a rod with another
Your statements are not making any sense. Why do you not want a continuous rod of the same insulator?
TTFN (ta ta for now)
I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvg
FAQ731-376: Eng-Tips.com Forum Policies forum1529: Translation Assistance for Engineers Entire Forum list http://www.eng-tips.com/forumlist.cfm
RE: insulating two ends of a rod with another
I guess many insulators materials would work for this application. Heat capacities may not be a worry.
RE: insulating two ends of a rod with another