JP5430041B2 - 流体粘度測定装置 - Google Patents
流体粘度測定装置 Download PDFInfo
- Publication number
- JP5430041B2 JP5430041B2 JP2012554887A JP2012554887A JP5430041B2 JP 5430041 B2 JP5430041 B2 JP 5430041B2 JP 2012554887 A JP2012554887 A JP 2012554887A JP 2012554887 A JP2012554887 A JP 2012554887A JP 5430041 B2 JP5430041 B2 JP 5430041B2
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- viscosity
- measured
- counting
- resistance
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims description 383
- 238000005259 measurement Methods 0.000 claims description 75
- 238000002347 injection Methods 0.000 claims description 62
- 239000007924 injection Substances 0.000 claims description 62
- 238000004441 surface measurement Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 239000008280 blood Substances 0.000 claims description 8
- 210000004369 blood Anatomy 0.000 claims description 8
- LOKCTEFSRHRXRJ-UHFFFAOYSA-I dipotassium trisodium dihydrogen phosphate hydrogen phosphate dichloride Chemical compound P(=O)(O)(O)[O-].[K+].P(=O)(O)([O-])[O-].[Na+].[Na+].[Cl-].[K+].[Cl-].[Na+] LOKCTEFSRHRXRJ-UHFFFAOYSA-I 0.000 claims description 5
- 239000002953 phosphate buffered saline Substances 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 4
- 239000012498 ultrapure water Substances 0.000 claims description 4
- 238000010606 normalization Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 12
- 238000012937 correction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
- G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
- G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
- G01N11/08—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture by measuring pressure required to produce a known flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/49—Blood
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)
- Measuring Volume Flow (AREA)
Description
図1に示されたように、本発明の好ましい実施例による流体粘度測定装置1は、流体注入部11、12、連結管20及びカウンティングチャンネル30などを含むことができる。
図3に示されたように、測定対象流体Aの粘度mAは、基準流体Bの粘度mB、測定対象流体Aと基準流体Bによって満たされるカウンティングチャンネル30の個数NA、NB、測定対象流体Aと基準流体Bの注入流量QA、QBによって決定される。
から、測定対象流体Aと基準流体Bそれぞれの圧力降下DPと流量Qに対する関係は、式2と式3の通りである。
である。
Claims (12)
- 粘度(viscosity)を測定しようとする測定対象流体が注入される第1流体注入部及び基準粘度を有する基準流体が注入される第2流体注入部と、
前記第1流体注入部と前記第2流体注入部を相互連結して、前記測定対象流体及び前記基準流体の流路を形成する連結管と、
前記連結管に一定の間隔で連通配置され、前記連結管の流路上に流動する前記測定対象流体及び前記基準流体がそれぞれ満たされる複数個のカウンティングチャンネルと、
前記測定対象流体と前記基準流体によって満たされるそれぞれの前記カウンティングチャンネルの個数を測定するための境界面測定部と、を含む流体粘度測定装置。 - 前記カウンティングチャンネルは、前記連結管において垂直方向に形成されることを特徴とする、請求項1に記載の流体粘度測定装置。
- 前記連結管と前記カウンティングチャンネルの流体抵抗比を増加させて、前記測定対象流体と前記基準流体の正規化相対粘度比(normalized relative viscosity)が1に収束されるようにすることを特徴とする、請求項1に記載の流体粘度測定装置。
- 前記測定対象流体と前記基準流体の摩擦損失が大部分前記カウンティングチャンネルで発生するように前記連結管の流体抵抗を前記カウンティングチャンネルの流体抵抗より少なくとも1000倍以上小さく設定することを特徴とする、請求項3に記載の流体粘度測定装置。
- 前記測定対象流体と前記基準流体によって満たされる前記カウンティングチャンネルの個数比と、前記測定対象流体と前記基準流体の注入流量比とを利用して前記測定対象流体の粘度を測定することを特徴とする、請求項1に記載の流体粘度測定装置。
- 前記測定対象流体の粘性係数は、下記数式に基づいて計算されることを特徴とする、請求項5に記載の流体粘度測定装置。
μA:測定対象流体の粘性係数
μB:基準流体の粘性係数
NA:測定対象流体によって満たされるカウンティングチャンネルの個数
NB:基準流体によって満たされるカウンティングチャンネルの個数
QA:測定対象流体の注入流量
QB:基準流体の注入流量 - 前記測定対象流体は、せん断率によって粘度が変化する非ニュトーン流体(non−Newtonian Fluid)を含み、前記基準流体は、せん断率に関係なく一定の粘度を有するニュトーン流体(Newtonian Fluid)を含むことを特徴とする、請求項1に記載の流体粘度測定装置。
- 前記測定対象流体は血液であり、前記基準流体はリン酸緩衝式食塩水(Phosphate Buffered Saline、PBS)であることを特徴とする、請求項7に記載の流体粘度測定装置。
- 前記測定対象流体と前記基準流体は、せん断率に関係なく一定の粘度を有するニュトーン流体を含むことを特徴とする、請求項1に記載の流体粘度測定装置。
- 前記測定対象流体はSDS溶液(SDS solution)であり、前記基準流体は超純水(DI water)であることを特徴とする、請求項9に記載の流体粘度測定装置。
- 前記境界面測定部は、
前記測定対象流体が満たされる前記カウンティングチャンネルのうちいずれか1つに設けられる第1電極、及び前記第1電極と電気的に連結され前記第1電極の抵抗を検出する第1抵抗検出部と、
前記基準流体が満たされる前記カウンティングチャンネルのうちいずれか1つに設けられる第2電極、及び前記第2電極と電気的に連結され前記第2電極の抵抗を検出する第2抵抗検出部と、
前記測定対象流体と前記基準流体の注入流量比を変更し、2つの流体の境界面を移動させながら固定境界面を検出するために、前記第1電極と前記第2電極との間の前記カウンティングチャンネルのうちいずれか1つに設けられる第3電極、及び前記第3電極と電気的に連結され前記第3電極の抵抗を検出する第3抵抗検出部と、を含むことを特徴とする、請求項1に記載の流体粘度測定装置。 - 粘度(viscosity)を測定しようとする測定対象流体が注入される第1流体注入部及び基準粘度を有する基準流体が注入される第2流体注入部と、
前記第1流体注入部と前記第2流体注入部を相互連結し、前記測定対象流体及び前記基準流体の流路を形成する連結管と、
前記連結管に一定の間隔で連通配置され、前記連結管の流路上に流動する前記測定対象流体及び前記基準流体がそれぞれ満たされる複数個のカウンティングチャンネルとを含み、
前記測定対象流体と前記基準流体との摩擦損失が大部分前記カウンティングチャンネルで発生するように前記連結管の流体抵抗を前記カウンティングチャンネルの流体抵抗より少なくとも1000倍以上小さく設定することを特徴とする流体粘度測定装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0016104 | 2010-02-23 | ||
KR20100016104A KR101123959B1 (ko) | 2010-02-23 | 2010-02-23 | 유체 점도 측정 장치 |
PCT/KR2010/005498 WO2011105668A1 (ko) | 2010-02-23 | 2010-08-19 | 유체 점도 측정 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013520676A JP2013520676A (ja) | 2013-06-06 |
JP5430041B2 true JP5430041B2 (ja) | 2014-02-26 |
Family
ID=44507052
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012554887A Active JP5430041B2 (ja) | 2010-02-23 | 2010-08-19 | 流体粘度測定装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9097634B2 (ja) |
JP (1) | JP5430041B2 (ja) |
KR (1) | KR101123959B1 (ja) |
WO (1) | WO2011105668A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101477919B1 (ko) * | 2013-08-28 | 2014-12-30 | 김보곤 | 혈액점도측정용 이미지 분석방법 |
KR101681170B1 (ko) | 2015-11-02 | 2016-12-01 | 조선대학교산학협력단 | 혈액의 생물성치 측정용 미세유체기구 |
JP6692077B2 (ja) * | 2016-01-27 | 2020-05-13 | 国立大学法人九州工業大学 | 体液粘性測定装置 |
KR102034540B1 (ko) * | 2017-09-25 | 2019-10-21 | 주식회사 큐리오시스 | 점도계 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06241852A (ja) * | 1993-02-12 | 1994-09-02 | Kazuhiro Okada | 流量/粘度の測定方法および測定装置 |
US6402703B1 (en) * | 1997-08-28 | 2002-06-11 | Visco Technologies, Inc. | Dual riser/single capillary viscometer |
JP3248683B2 (ja) | 1998-01-20 | 2002-01-21 | 富士工業株式会社 | 液体の密度と粘度の分離測定方法及び装置 |
US6622746B2 (en) * | 2001-12-12 | 2003-09-23 | Eastman Kodak Company | Microfluidic system for controlled fluid mixing and delivery |
KR20020095145A (ko) * | 2002-11-26 | 2002-12-20 | 신세현 | 마이크로 점도계 및 측정방법 |
KR20030008223A (ko) * | 2003-01-08 | 2003-01-24 | 신세현 | 진공 점도계 |
US7534097B2 (en) | 2004-10-15 | 2009-05-19 | Nanyang Technological University | Method and apparatus for controlling multi-fluid flow in a micro channel |
FR2879290B1 (fr) * | 2004-12-10 | 2007-02-02 | Rhodia Chimie Sa | Procede et installation de determination de caracteristiques rheologiques d'un fluide, et procede d'identification correspondant |
KR100741262B1 (ko) * | 2006-05-18 | 2007-07-19 | 포항공과대학교 산학협력단 | 마이크로 점도계 |
JP5200507B2 (ja) * | 2007-11-30 | 2013-06-05 | 東ソー株式会社 | 液体クロマトグラフ用粘度計 |
KR101123960B1 (ko) * | 2009-10-07 | 2012-03-23 | 광주과학기술원 | 유체 점도 측정 장치 |
-
2010
- 2010-02-23 KR KR20100016104A patent/KR101123959B1/ko active IP Right Grant
- 2010-08-19 US US13/580,819 patent/US9097634B2/en active Active
- 2010-08-19 JP JP2012554887A patent/JP5430041B2/ja active Active
- 2010-08-19 WO PCT/KR2010/005498 patent/WO2011105668A1/ko active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US9097634B2 (en) | 2015-08-04 |
JP2013520676A (ja) | 2013-06-06 |
WO2011105668A1 (ko) | 2011-09-01 |
US20130036797A1 (en) | 2013-02-14 |
KR101123959B1 (ko) | 2012-03-23 |
KR20110096714A (ko) | 2011-08-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Zeng et al. | Characterization of syringe-pump-driven induced pressure fluctuations in elastic microchannels | |
Romeo et al. | Viscoelastic flow-focusing in microchannels: scaling properties of the particle radial distributions | |
JP5430041B2 (ja) | 流体粘度測定装置 | |
US20180356325A1 (en) | Viscometers and Methods of Measuring Liquid Viscosity | |
US6755079B1 (en) | Method and apparatus for determining fluid viscosity | |
JP2015522162A (ja) | ニュートン及び非ニュートン流体のための粘度計 | |
KR101076768B1 (ko) | 유체 점도 측정 장치 | |
US8136981B2 (en) | Heat transfer evaluating apparatus | |
Xu et al. | Direct measurement of the differential pressure during drop formation in a co-flow microfluidic device | |
US20190250084A1 (en) | Apparatus for measuring rheological properties and velocities of a fluid | |
KR101215353B1 (ko) | 유체 점도 측정 장치 및 점도 측정 방법 | |
CN105372150A (zh) | 一种油藏动态毛管力曲线的测定方法及设备 | |
WO2013090690A1 (en) | Method and apparatus for characterizing interfacial tension between two immiscible or partially miscible fluids | |
US8844339B2 (en) | Device and method for measuring the viscosity of a fluid | |
Bautista et al. | A simple capillary viscometer based on the ideal gas law | |
Koser et al. | Measuring material relaxation and creep recovery in a microfluidic device | |
Beaumont et al. | Drainage in two-dimensional porous media with polymer solutions | |
CN104764503B (zh) | 流体微流量自动计量装置 | |
CN107995947B (zh) | 用于确定聚合物熔体的拉伸粘度的测量喷嘴 | |
KR101103635B1 (ko) | 유체 점도 측정 장치 | |
KR101103626B1 (ko) | 유체 점도 측정 장치 | |
Hu et al. | Transient and steady state three-dimensional drop shapes and dimensions under planar extensional flow | |
KR101745478B1 (ko) | 적혈구 침강 속도 측정 장치 및 측정 방법 | |
Podolsak et al. | Flow of non-Newtonian fluids through tubes with abrupt expansions and contractions (square wave tubes) | |
KR101803334B1 (ko) | 유체 유동에서 형성되는 농도결핍층 해석 방법 및 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20130625 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20130625 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20130625 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130926 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20131105 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20131111 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20131111 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20131202 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 5430041 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |