IT1201375B - Metodo ed apparato per la determinazione della costante dielettrica di materiali e sua applicazione per la determinazione del tasso di carbone incombusto presente nelle ceneri di un combustore - Google Patents

Metodo ed apparato per la determinazione della costante dielettrica di materiali e sua applicazione per la determinazione del tasso di carbone incombusto presente nelle ceneri di un combustore

Info

Publication number
IT1201375B
IT1201375B IT09515/85A IT951585A IT1201375B IT 1201375 B IT1201375 B IT 1201375B IT 09515/85 A IT09515/85 A IT 09515/85A IT 951585 A IT951585 A IT 951585A IT 1201375 B IT1201375 B IT 1201375B
Authority
IT
Italy
Prior art keywords
determination
dielectric constant
reflected signal
ash
incombuded
Prior art date
Application number
IT09515/85A
Other languages
English (en)
Other versions
IT8509515A0 (it
Inventor
Mauro Bramanti
Bravo Andrea Del
Original Assignee
Consiglio Nazionale Ricerche
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Consiglio Nazionale Ricerche filed Critical Consiglio Nazionale Ricerche
Priority to IT09515/85A priority Critical patent/IT1201375B/it
Publication of IT8509515A0 publication Critical patent/IT8509515A0/it
Priority to EP86830332A priority patent/EP0223748B1/en
Priority to DE8686830332T priority patent/DE3680296D1/de
Priority to AT86830332T priority patent/ATE65327T1/de
Priority to JP61265402A priority patent/JPS62182640A/ja
Priority to US06/928,351 priority patent/US4754214A/en
Application granted granted Critical
Publication of IT1201375B publication Critical patent/IT1201375B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/04—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant in circuits having distributed constants, e.g. having very long conductors or involving high frequencies
    • G01R27/06—Measuring reflection coefficients; Measuring standing-wave ratio
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2617—Measuring dielectric properties, e.g. constants
    • G01R27/2635—Sample holders, electrodes or excitation arrangements, e.g. sensors or measuring cells
    • G01R27/2658—Cavities, resonators, free space arrangements, reflexion or interference arrangements
    • G01R27/2664—Transmission line, wave guide (closed or open-ended) or strip - or microstrip line arrangements
IT09515/85A 1985-11-08 1985-11-08 Metodo ed apparato per la determinazione della costante dielettrica di materiali e sua applicazione per la determinazione del tasso di carbone incombusto presente nelle ceneri di un combustore IT1201375B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT09515/85A IT1201375B (it) 1985-11-08 1985-11-08 Metodo ed apparato per la determinazione della costante dielettrica di materiali e sua applicazione per la determinazione del tasso di carbone incombusto presente nelle ceneri di un combustore
EP86830332A EP0223748B1 (en) 1985-11-08 1986-11-06 Method and apparatus for determining the content of unburnt coal in an ash from a combustion heater
DE8686830332T DE3680296D1 (de) 1985-11-08 1986-11-06 Verfahren und apparat zur bestimmung des anteils von unverbrannter kohle in der asche eines verbrennungsofens.
AT86830332T ATE65327T1 (de) 1985-11-08 1986-11-06 Verfahren und apparat zur bestimmung des anteils von unverbrannter kohle in der asche eines verbrennungsofens.
JP61265402A JPS62182640A (ja) 1985-11-08 1986-11-07 燃焼ヒータからの灰に含まれる不燃焼石炭の含有量を測定する方法及び装置
US06/928,351 US4754214A (en) 1985-11-08 1986-11-10 Method and apparatus for determining the dielectric constant of materials, in particular heater ash

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT09515/85A IT1201375B (it) 1985-11-08 1985-11-08 Metodo ed apparato per la determinazione della costante dielettrica di materiali e sua applicazione per la determinazione del tasso di carbone incombusto presente nelle ceneri di un combustore

Publications (2)

Publication Number Publication Date
IT8509515A0 IT8509515A0 (it) 1985-11-08
IT1201375B true IT1201375B (it) 1989-01-27

Family

ID=11131416

Family Applications (1)

Application Number Title Priority Date Filing Date
IT09515/85A IT1201375B (it) 1985-11-08 1985-11-08 Metodo ed apparato per la determinazione della costante dielettrica di materiali e sua applicazione per la determinazione del tasso di carbone incombusto presente nelle ceneri di un combustore

Country Status (6)

Country Link
US (1) US4754214A (it)
EP (1) EP0223748B1 (it)
JP (1) JPS62182640A (it)
AT (1) ATE65327T1 (it)
DE (1) DE3680296D1 (it)
IT (1) IT1201375B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4994749A (en) * 1988-12-16 1991-02-19 General Electric Company Liquid sensor with high sensitivity near empty
EP0521059B1 (en) * 1990-03-23 2000-06-14 Commonwealth Scientific And Industrial Research Organisation Determination of carbon in fly ash
DK1017996T3 (da) * 1997-09-25 2008-09-15 Jack R Little Jr Ikke-destruktiv prövning af dielektriske materialer
US6359446B1 (en) 1997-09-25 2002-03-19 Jack R. Little, Jr. Apparatus and method for nondestructive testing of dielectric materials
JP4373902B2 (ja) * 2004-03-24 2009-11-25 京セラ株式会社 電磁気的物性値の測定方法
JP4423180B2 (ja) * 2004-12-24 2010-03-03 京セラ株式会社 電磁気的物性値測定法
FR2933540B1 (fr) * 2008-07-01 2011-12-02 St Microelectronics Tours Sas Coupleur directif integre
AU2014327105B2 (en) 2013-09-25 2018-10-18 Evisive, LLC Nondestructive, absolute determination of thickness of or depth in dielectric materials
WO2016190290A1 (ja) * 2015-05-28 2016-12-01 株式会社村田製作所 電流検出素子、送電装置及び電力伝送システム
CN110146521B (zh) * 2019-06-17 2020-10-09 电子科技大学 基于微波无损检测的管道表面腐蚀缺陷检测方法及装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025463A (en) * 1957-11-22 1962-03-13 Eino J Luoma Apparatus for measurement of complex reflection coefficient
US3701943A (en) * 1967-09-07 1972-10-31 Nils Kaiser Process and double-bridge arrangement for examination of rapid phase and amplitude changes of high-frequency waves caused by a medium under test
JPS5154473A (en) * 1974-11-08 1976-05-13 Hitachi Ltd Maikurohaoryoshita judentokuseino sokuteiho
JPS5296096A (en) * 1976-02-06 1977-08-12 Matsushita Electric Ind Co Ltd Water-content detecting apparatus
US4345202A (en) * 1980-12-19 1982-08-17 General Motors Corporation Method of detecting soot in engine oil using microwaves
JPS5811840A (ja) * 1981-07-15 1983-01-22 Hitachi Ltd マイクロ波アルコ−ル燃料センサ
AT381173B (de) * 1982-05-11 1986-09-10 List Hans Verfahren zur quantitativen bestimmung von partikelfoermigen verbrennungsrueckstaenden
FR2560998B1 (fr) * 1984-03-09 1987-07-10 Centre Nat Rech Scient Procede de mesure d'impedance en haute frequence et installation de mesure d'impedance en haute frequence pour la mise en oeuvre de ce procede

Also Published As

Publication number Publication date
EP0223748A1 (en) 1987-05-27
ATE65327T1 (de) 1991-08-15
EP0223748B1 (en) 1991-07-17
JPS62182640A (ja) 1987-08-11
JPH0352016B2 (it) 1991-08-08
US4754214A (en) 1988-06-28
IT8509515A0 (it) 1985-11-08
DE3680296D1 (de) 1991-08-22

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961120