DE2333271A1 - Verfahren und vorrichtung zum bestimmen des thermischen diffusionsvermoegens - Google Patents
Verfahren und vorrichtung zum bestimmen des thermischen diffusionsvermoegensInfo
- Publication number
- DE2333271A1 DE2333271A1 DE19732333271 DE2333271A DE2333271A1 DE 2333271 A1 DE2333271 A1 DE 2333271A1 DE 19732333271 DE19732333271 DE 19732333271 DE 2333271 A DE2333271 A DE 2333271A DE 2333271 A1 DE2333271 A1 DE 2333271A1
- Authority
- DE
- Germany
- Prior art keywords
- sample
- temperature
- diffusivity
- servo
- determined
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 26
- 238000009792 diffusion process Methods 0.000 title description 4
- 238000010438 heat treatment Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007716 flux method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7223795A FR2191738A5 (nl) | 1972-06-30 | 1972-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2333271A1 true DE2333271A1 (de) | 1974-01-10 |
Family
ID=9101170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732333271 Pending DE2333271A1 (de) | 1972-06-30 | 1973-06-29 | Verfahren und vorrichtung zum bestimmen des thermischen diffusionsvermoegens |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH574601A5 (nl) |
| DE (1) | DE2333271A1 (nl) |
| FR (1) | FR2191738A5 (nl) |
| GB (1) | GB1403950A (nl) |
| IT (1) | IT996575B (nl) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2317656A1 (fr) * | 1975-07-05 | 1977-02-04 | Danfoss As | Appareil pour mesurer par ultra-sons la vitesse d'ecoulement de fluides |
| EP0419873A2 (en) * | 1989-08-30 | 1991-04-03 | MITSUI TOATSU CHEMICALS, Inc. | Method and apparatus for measuring thermal diffusivity by AC joule-heating |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI64465C (fi) * | 1982-03-15 | 1983-11-10 | Mauri Luukkala | Foerfarande och apparat foer att maeta ytornas egenskaper av fasta tillstaondets materialer |
| US4722610A (en) * | 1986-03-07 | 1988-02-02 | Technology For Energy Corporation | Monitor for deposition on heat transfer surfaces |
| US5174654A (en) * | 1992-03-18 | 1992-12-29 | Droege Thomas F | Heat exchanger efficiency monitor |
| US5248198A (en) * | 1992-08-19 | 1993-09-28 | Droege Thomas F | Method and apparatus for evaluating heat exchanger efficiency |
| US5314247A (en) * | 1993-04-16 | 1994-05-24 | The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration | Dual active surface, miniature, plug-type heat flux gauge |
| EP0803062B2 (de) * | 1995-01-13 | 2005-01-26 | OptiSense Gesellschaft für Optische Prozessmesstechnik mbH & Co. KG i.G. | Verfahren und vorrichtung zur bestimmung der schichtdicke, der leitfähigkeit und/oder der schichtkontaktgüte von auf substraten aufgetragenen schichten |
| WO2022061228A1 (en) * | 2020-09-18 | 2022-03-24 | Watlow Electric Manufacturing Company | Systems and methods for detecting the presence of deposits in fluid flow conduits |
| CN112098462B (zh) * | 2020-10-20 | 2022-07-12 | 贵州电网有限责任公司 | 一种漆层厚度红外热成像检测装置及检测方法 |
-
1972
- 1972-06-30 FR FR7223795A patent/FR2191738A5/fr not_active Expired
-
1973
- 1973-06-18 CH CH885173A patent/CH574601A5/xx not_active IP Right Cessation
- 1973-06-27 GB GB3066673A patent/GB1403950A/en not_active Expired
- 1973-06-28 IT IT6894173A patent/IT996575B/it active
- 1973-06-29 DE DE19732333271 patent/DE2333271A1/de active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2317656A1 (fr) * | 1975-07-05 | 1977-02-04 | Danfoss As | Appareil pour mesurer par ultra-sons la vitesse d'ecoulement de fluides |
| EP0419873A2 (en) * | 1989-08-30 | 1991-04-03 | MITSUI TOATSU CHEMICALS, Inc. | Method and apparatus for measuring thermal diffusivity by AC joule-heating |
| EP0419873A3 (en) * | 1989-08-30 | 1991-07-03 | Mitsui Toatsu Chemicals, Incorporated | Method and apparatus for measuring thermal diffusivity by ac joule-heating |
Also Published As
| Publication number | Publication date |
|---|---|
| IT996575B (it) | 1975-12-10 |
| FR2191738A5 (nl) | 1974-02-01 |
| CH574601A5 (nl) | 1976-04-15 |
| GB1403950A (en) | 1975-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |