DE9422397U1 - Device for measuring the surface elasticity of a liquid - Google Patents

Device for measuring the surface elasticity of a liquid

Info

Publication number
DE9422397U1
DE9422397U1 DE9422397U DE9422397U DE9422397U1 DE 9422397 U1 DE9422397 U1 DE 9422397U1 DE 9422397 U DE9422397 U DE 9422397U DE 9422397 U DE9422397 U DE 9422397U DE 9422397 U1 DE9422397 U1 DE 9422397U1
Authority
DE
Germany
Prior art keywords
gas bubble
measuring
piston
liquid
excites
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 - Lifetime
Application number
DE9422397U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SURFACTUM GmbH
Original Assignee
SURFACTUM GmbH
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 SURFACTUM GmbH filed Critical SURFACTUM GmbH
Priority to DE9422397U priority Critical patent/DE9422397U1/en
Priority claimed from DE19944415941 external-priority patent/DE4415941A1/en
Publication of DE9422397U1 publication Critical patent/DE9422397U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G01N13/02—Investigating surface tension of liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G01N13/02—Investigating surface tension of liquids
    • G01N2013/0241—Investigating surface tension of liquids bubble, pendant drop, sessile drop methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
    • G01N2203/0075—Strain-stress relations or elastic constants

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Vorrichtung zur Messung der Oberflächenelastizität (E) einer Gasblase (8) in einer Flüssigkeit (F), mit der die Gasblase (8) in der Flüssigkeit (F) erzeugt wird, gekenn­ zeichnet durch eine Einrichtung zur Messung der relativen Änderung der Oberflä­ chengröße der Gasblase und einer Einrichtung zur Messung des Innendrucks der Gasblase.1. Device for measuring the surface elasticity (E) of a gas bubble ( 8 ) in a liquid (F) with which the gas bubble ( 8 ) is generated in the liquid (F), characterized by a device for measuring the relative change in the surface size of the gas bubble and a device for measuring the internal pressure of the gas bubble. 2. Vorrichtung nach Anspruch 1, wobei die Einrichtung zur Messung der relativen Än­ derung der Oberflächengröße der Gasblase eine optische Einrichtung ist, dadurch gekennzeichnet, daß die optische Einrichtung eine Laserlichtquelle (1) und eine la­ serlichtempfindliche Fotozelle (12) umfaßt.2. Device according to claim 1, wherein the device for measuring the relative change of the surface size of the gas bubble is an optical device, characterized in that the optical device comprises a laser light source ( 1 ) and a laser-sensitive photo cell ( 12 ). 3. Vorrichtung nach Anspruch 1 oder 2, gekennzeichnet durch einen Zylinder (22) und einen Kolben (25), wobei der Zylinder über einen Schlauch (7) oder dergleichen mit der Gasblase (8) verbunden ist und daß die Größe der Oberflächen der Gasblase durch die mechanische Bewegung des Kolbens verändert wird.3. Device according to claim 1 or 2, characterized by a cylinder ( 22 ) and a piston ( 25 ), the cylinder being connected via a hose ( 7 ) or the like to the gas bubble ( 8 ) and in that the size of the surfaces of the gas bubble is changed by the mechanical movement of the piston. 4. Vorrichtung nach Anspruch 3, gekennzeichnet durch eine rotierende Welle (26), die den Kolben zu oszillierenden Bewegungen anregt.4. The device according to claim 3, characterized by a rotating shaft ( 26 ) which excites the piston to oscillate movements. 5. Vorrichtung nach Anspruch 3, gekennzeichnet durch eine Schlageinrichtung (40), die den Kolben zu sprunghaften Bewegungen anregt.5. The device according to claim 3, characterized by a striking device ( 40 ) which excites the piston to abrupt movements. 6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Schlageinrichtung einen Stößel umfaßt, der mittels einer einstellbaren Feder vorgespannt ist und auf den Kolben schlägt, wobei die Federvorspannung so eingestellt werden kann, daß ei­ ne Volumenänderung der Gasblase mit einer Anregungsfrequenz von mehr als 200 Hz erreichbar ist.6. The device according to claim 5, characterized in that the striking device includes a plunger which is biased by an adjustable spring and on hits the piston, the spring preload can be adjusted so that ei ne change in volume of the gas bubble with an excitation frequency of more than 200 Hz is achievable.
DE9422397U 1994-05-05 1994-05-05 Device for measuring the surface elasticity of a liquid Expired - Lifetime DE9422397U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9422397U DE9422397U1 (en) 1994-05-05 1994-05-05 Device for measuring the surface elasticity of a liquid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19944415941 DE4415941A1 (en) 1994-05-05 1994-05-05 Measuring surface elasticity of liq.
DE9422397U DE9422397U1 (en) 1994-05-05 1994-05-05 Device for measuring the surface elasticity of a liquid

Publications (1)

Publication Number Publication Date
DE9422397U1 true DE9422397U1 (en) 2001-08-16

Family

ID=25936341

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9422397U Expired - Lifetime DE9422397U1 (en) 1994-05-05 1994-05-05 Device for measuring the surface elasticity of a liquid

Country Status (1)

Country Link
DE (1) DE9422397U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109357974A (en) * 2018-10-09 2019-02-19 浙江海洋大学 A kind of measurement single isolated bubbles are migrated the device and method of resistance in hole

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109357974A (en) * 2018-10-09 2019-02-19 浙江海洋大学 A kind of measurement single isolated bubbles are migrated the device and method of resistance in hole
CN109357974B (en) * 2018-10-09 2021-03-05 浙江海洋大学 Device and method for measuring migration resistance of single bubble in pore

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