FI945385A - Menetelmä kastepisteen tai kaasupitoisuuden mittaamiseksi sekä laitteisto jäätymisen ennakoimista varten - Google Patents

Menetelmä kastepisteen tai kaasupitoisuuden mittaamiseksi sekä laitteisto jäätymisen ennakoimista varten Download PDF

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Publication number
FI945385A
FI945385A FI945385A FI945385A FI945385A FI 945385 A FI945385 A FI 945385A FI 945385 A FI945385 A FI 945385A FI 945385 A FI945385 A FI 945385A FI 945385 A FI945385 A FI 945385A
Authority
FI
Finland
Prior art keywords
measuring
equipment
dew point
gas content
predicting freezing
Prior art date
Application number
FI945385A
Other languages
English (en)
Swedish (sv)
Other versions
FI99164C (fi
FI945385A0 (fi
FI99164B (fi
Inventor
Lars Strombom
Matti Lyyra
Original Assignee
Vaisala Oy
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
Priority claimed from FI941746A external-priority patent/FI941746A0/fi
Publication of FI945385A0 publication Critical patent/FI945385A0/fi
Priority to FI945385A priority Critical patent/FI99164C/fi
Application filed by Vaisala Oy filed Critical Vaisala Oy
Priority to GB9506528A priority patent/GB2288465B/en
Priority to GB9811584A priority patent/GB2323928B/en
Priority to DE19513274A priority patent/DE19513274C2/de
Priority to FR9504397A priority patent/FR2718848B1/fr
Priority to US08/421,605 priority patent/US5644080A/en
Priority to JP7087319A priority patent/JP2801156B2/ja
Publication of FI945385A publication Critical patent/FI945385A/fi
Publication of FI99164B publication Critical patent/FI99164B/fi
Application granted granted Critical
Publication of FI99164C publication Critical patent/FI99164C/fi

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
    • G01N25/66—Investigating or analyzing materials by the use of thermal means by investigating moisture content by investigating dew-point
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
FI945385A 1994-04-15 1994-11-16 Menetelmä kastepisteen tai kaasupitoisuuden mittaamiseksi sekä laitteisto jäätymisen ennakoimista varten FI99164C (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI945385A FI99164C (fi) 1994-04-15 1994-11-16 Menetelmä kastepisteen tai kaasupitoisuuden mittaamiseksi sekä laitteisto jäätymisen ennakoimista varten
GB9506528A GB2288465B (en) 1994-04-15 1995-03-30 Method of measuring dewpoint or gas concentration
GB9811584A GB2323928B (en) 1994-04-15 1995-03-30 Apparatus for prediction of icing
DE19513274A DE19513274C2 (de) 1994-04-15 1995-04-07 Verfahren zur Messung des Taupunkts oder einer Gaskonzentration und Einrichtung zur Vorhersage einer Vereisung
FR9504397A FR2718848B1 (fr) 1994-04-15 1995-04-12 Procédé pour mesurer le point de rosée ou la concentration d'un gaz, et appareil pour prédire le givrage.
US08/421,605 US5644080A (en) 1994-04-15 1995-04-13 Method of measuring dewpoint or gas concentration and apparatus for prediction of icing
JP7087319A JP2801156B2 (ja) 1994-04-15 1995-04-13 露点または気体濃度の測定方法と着氷予測装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI941746A FI941746A0 (fi) 1994-04-15 1994-04-15 Foerfarande foer maetning av daggpunkt eller gashalt
FI945385A FI99164C (fi) 1994-04-15 1994-11-16 Menetelmä kastepisteen tai kaasupitoisuuden mittaamiseksi sekä laitteisto jäätymisen ennakoimista varten
FI941746 1994-11-16
FI945385 1994-11-16

Publications (4)

Publication Number Publication Date
FI945385A0 FI945385A0 (fi) 1994-11-16
FI945385A true FI945385A (fi) 1995-10-16
FI99164B FI99164B (fi) 1997-06-30
FI99164C FI99164C (fi) 1997-10-10

Family

ID=26159719

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945385A FI99164C (fi) 1994-04-15 1994-11-16 Menetelmä kastepisteen tai kaasupitoisuuden mittaamiseksi sekä laitteisto jäätymisen ennakoimista varten

Country Status (6)

Country Link
US (1) US5644080A (fi)
JP (1) JP2801156B2 (fi)
DE (1) DE19513274C2 (fi)
FI (1) FI99164C (fi)
FR (1) FR2718848B1 (fi)
GB (1) GB2288465B (fi)

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DE19719226C1 (de) * 1997-05-07 1998-11-12 Burkhard Am Orde Verfahren zur Ermittlung von Witterungsverhältnissen und Vorrichtung zur Durchführung des Verfahrens
US6073479A (en) * 1998-11-13 2000-06-13 General Electric Company Dewpoint sensor
DE19937744A1 (de) * 1999-08-10 2001-03-22 Infineon Technologies Ag Feuchtigkeitssensor
DE10019551A1 (de) * 2000-04-20 2001-10-25 Elk Ges Fuer Erstellung Layout Verfahren und Vorrichtung zur Ermittlung der relativen Feuchte in Luft-/Gasgemischen
DE10033620A1 (de) * 2000-07-11 2002-01-31 Testo Gmbh & Co Kg Vorrichtung und Verfahren zur Ermittlung der Feuchte in Gasen
US6695469B2 (en) * 2001-11-19 2004-02-24 Energy Absorption Systems, Inc. Roadway freezing point monitoring system and method
JP3847162B2 (ja) * 2001-12-21 2006-11-15 本田技研工業株式会社 湿度センサの温度制御装置
US6910659B2 (en) * 2002-10-22 2005-06-28 The Boeing Company Method and apparatus for liquid containment, such as for aircraft fuel vessels
US7175136B2 (en) * 2003-04-16 2007-02-13 The Boeing Company Method and apparatus for detecting conditions conducive to ice formation
DE10336690A1 (de) * 2003-08-09 2005-03-03 Il-Metronic Sensortechnik Gmbh Verfahren und Anordnung zur Messung der relativen Feuchte, insbesondere zur Messung niedriger Feuchten
ATE445210T1 (de) * 2003-08-20 2009-10-15 Boeing Co Verfahren und systeme zur erkennung von vereisungsbedingungen
DE102004005353B4 (de) * 2004-02-03 2016-08-11 CiS Forschungsinstitut für Mikrosensorik GmbH Verfahren zur Bestimmung der Parameter von Gasen
ITMI20040249A1 (it) * 2004-02-16 2004-05-16 Consiglio Nazionale Ricerche Rilevatore di condensa e metodo per rilevazione di condensa su una superficie
US7059170B2 (en) * 2004-02-27 2006-06-13 Nielsen-Kellerman, Inc. Method and apparatus for measuring relative humidity of a mixture
US20050247106A1 (en) * 2004-05-06 2005-11-10 Honeywell International, Inc. Relative humidity sensor enclosed with ceramic heater
US7331421B2 (en) * 2005-03-30 2008-02-19 The Boeing Company Flow restrictors for aircraft inlet acoustic treatments, and associated systems and methods
US7360416B2 (en) 2005-07-07 2008-04-22 Ricoh Company, Ltd. Non-contact condensation detecting apparatus
US7502717B2 (en) * 2006-04-18 2009-03-10 Honeywell International Inc. Method for predicting air cycle machine turbine ice formation and shedding and journal bearing wear
US7340949B1 (en) * 2006-11-08 2008-03-11 University Corporation For Atmospheric Research Precipitation measurement device
US8741120B2 (en) * 2007-10-15 2014-06-03 Life Safety Distribution Ag Humidity control apparatus for electrochemical sensors
US20110094292A1 (en) * 2009-10-23 2011-04-28 Mingsheng Liu Apparatus for air property measurement
US9304098B2 (en) 2013-02-04 2016-04-05 Veris Industries, Llc Capacitive humidity sensor with hysteresis compensation
US10197519B2 (en) 2013-03-15 2019-02-05 H2Scan Corporation Gas sensing systems and methods
US9429680B2 (en) * 2014-08-07 2016-08-30 The Boeing Company Ice crystal icing engine event probability estimation apparatus, system, and method
US10401314B2 (en) 2015-01-08 2019-09-03 Hitachi Automotive Systems, Ltd. Humidity measuring device
DE102017210064A1 (de) * 2017-06-14 2018-12-20 E + E Elektronik Ges.M.B.H. Verfahren zum Betrieb einer Sensoranordnung und hierzu geeignete Sensoranordnung
EP3454027B1 (de) * 2017-09-07 2019-10-02 E+E Elektronik Ges.M.B.H. Messaufnehmer zum ermitteln der feuchtigkeit
TWM569412U (zh) * 2018-08-07 2018-11-01 捷騰光電股份有限公司 溫濕度感測模組之烘乾裝置
CN112034007B (zh) * 2020-09-01 2024-03-01 泰州市气象局 一种微波辐射计间接测量露点温度方法及系统

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FI58402C (fi) * 1977-12-02 1981-01-12 Vaisala Oy Foerfarande foer nedsaettning av icke oenskvaerda egenskaper hos en elektrisk fuktighetsgivare
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JPS6115551U (ja) * 1984-07-04 1986-01-29 三菱重工業株式会社 結露防止装置
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JP3295894B2 (ja) * 1992-06-19 2002-06-24 グローリー工業株式会社 湿度センサ
FI96640C (fi) * 1993-08-23 1996-07-25 Vaisala Oy Menetelmä suhteellisen kosteuden mittaamiseksi, etenkin radiosondeissa
FI95626C (fi) * 1993-09-29 1996-02-26 Vaisala Oy Menetelmä ja järjestely kosteuden mittauksessa, etenkin radiosondeissa

Also Published As

Publication number Publication date
DE19513274A1 (de) 1995-11-23
GB2288465A (en) 1995-10-18
GB2288465B (en) 1998-11-18
FR2718848A1 (fr) 1995-10-20
FI99164C (fi) 1997-10-10
JPH07294469A (ja) 1995-11-10
DE19513274C2 (de) 2002-01-17
GB9506528D0 (en) 1995-05-17
FR2718848B1 (fr) 1997-09-12
US5644080A (en) 1997-07-01
FI945385A0 (fi) 1994-11-16
FI99164B (fi) 1997-06-30
JP2801156B2 (ja) 1998-09-21

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