GB1403950A - Method and apparatus for measuring thermal diffusivity - Google Patents
Method and apparatus for measuring thermal diffusivityInfo
- Publication number
- GB1403950A GB1403950A GB3066673A GB3066673A GB1403950A GB 1403950 A GB1403950 A GB 1403950A GB 3066673 A GB3066673 A GB 3066673A GB 3066673 A GB3066673 A GB 3066673A GB 1403950 A GB1403950 A GB 1403950A
- Authority
- GB
- United Kingdom
- Prior art keywords
- test sample
- sample
- pulse
- thermal diffusivity
- temperature
- 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.)
- Expired
Links
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 (es) | 1972-06-30 | 1972-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1403950A true GB1403950A (en) | 1975-08-28 |
Family
ID=9101170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3066673A Expired GB1403950A (en) | 1972-06-30 | 1973-06-27 | Method and apparatus for measuring thermal diffusivity |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH574601A5 (es) |
DE (1) | DE2333271A1 (es) |
FR (1) | FR2191738A5 (es) |
GB (1) | GB1403950A (es) |
IT (1) | IT996575B (es) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983003303A1 (en) * | 1982-03-15 | 1983-09-29 | Mauri Luukkala | Procedure and means for examining the surface quality of materials in solid state |
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 |
WO1996021857A1 (de) * | 1995-01-13 | 1996-07-18 | Optikzentrum Nrw Gmbh | Verfahren und vorrichtung zur bestimmung der schichtdicke, der leitfähigkeit und/oder der schichtkontaktgüte von auf substraten aufgetragenen schichten |
CN112098462A (zh) * | 2020-10-20 | 2020-12-18 | 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 |
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 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3981191A (en) * | 1975-07-05 | 1976-09-21 | Danfoss A/S | Method and apparatus for the ultrasonic measurement of the flow velocity of fluent media |
US5080495A (en) * | 1989-08-30 | 1992-01-14 | Mitsui Toatsu Chemicals, Inc. | Method and apparatus for measuring thermal diffusivity by ac joule-heating |
-
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 (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983003303A1 (en) * | 1982-03-15 | 1983-09-29 | Mauri Luukkala | Procedure and means for examining the surface quality of materials in solid state |
US4551030A (en) * | 1982-03-15 | 1985-11-05 | Mauri Luukkala | Procedure and means for examining the surface quality of materials in solid state |
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 |
WO1994004904A1 (en) * | 1992-08-19 | 1994-03-03 | Nalco Chemical Company | Evaluating heat exchanger efficiency |
US5399017A (en) * | 1992-08-19 | 1995-03-21 | 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 |
WO1996021857A1 (de) * | 1995-01-13 | 1996-07-18 | Optikzentrum Nrw Gmbh | 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 |
CN112098462A (zh) * | 2020-10-20 | 2020-12-18 | 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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
FR2191738A5 (es) | 1974-02-01 |
IT996575B (it) | 1975-12-10 |
DE2333271A1 (de) | 1974-01-10 |
CH574601A5 (es) | 1976-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |