CN106500953A - A kind of icing volume measuring method - Google Patents
A kind of icing volume measuring method Download PDFInfo
- Publication number
- CN106500953A CN106500953A CN201611142642.0A CN201611142642A CN106500953A CN 106500953 A CN106500953 A CN 106500953A CN 201611142642 A CN201611142642 A CN 201611142642A CN 106500953 A CN106500953 A CN 106500953A
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- CN
- China
- Prior art keywords
- lid
- volume
- icing
- opening
- main body
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F17/00—Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies
Abstract
The invention provides a kind of icing volume measuring method, the measurement apparatus that the measuring method is adopted are one kind without scale measurement apparatus, by the ice cube to be measured and the mixing quality of liquid of certain volume, the volume of to be measured ice cube and liquid is calculated indirectly, the taper design of the smooth treatment of device inwall and lid inwall, is easy to be completely exhausted out all liq outside ice cube to be measured.Cubing is converted to mass measurement by the icing volume measuring method of the present invention, and certainty of measurement is not affected by ice cube volume, higher have the advantages that simple structure, precision.
Description
Technical field
The porous material volume measurement techniques field for producing the invention belongs to wind tunnel test aircraft freezes, and in particular to a kind of
Icing volume measuring method.
Background technology
In wind tunnel test aircraft icing research project, the charging properties under different ice-formation conditions are needed to be grasped, is wherein tied
Ice concentration is one of important parameter of concern.Ice cube mass measurement can adopt high-precision electronic scale, and cubing not compared with
High-precision instrument or method.Current conventional icing volume measuring method is discharging liquid method, i.e., place in graduated cylinder certain
Liquid, adds ice cube, calculates ice cube volume according to level change.There is more limitation, ice cube water absorption, amount in this method
The reason such as the low precision of cylinder and siphonage, can produce larger measurement error.In addition, when ice cube is larger, it is impossible to apply the party
Method directly carries out cubing.Therefore, for the icing of loose structure, need to develop high accuracy icing volume measuring method.
Content of the invention
The technical problem to be solved is to provide a kind of icing volume measuring method.
Measurement apparatus needed for the icing volume measuring method of the present invention include main body and lid, and main body is that one end open is another
The pipe I of one end closing, the opening of main body is body openings, and the outer wall of body openings has body openings screw thread；Lid and master
Body is equipped with, the one end open other end closing of lid, and the outer surface of lid is the face of cylinder, and the inner surface of lid is taper seat, covers
Body opening is lid opening, and the inwall of lid opening has the lid open-top screw thread equipped with body openings screw thread, taper seat
Bottom and lid opening parallel, the top vertical insertion lid blind end of taper seat vertically place the lid of tubular at opening
Little opening；
The inner surface of described main body and lid is processed by shot blasting, preferably silver-plated.
The icing volume measuring method of the present invention, comprises the following steps：
A. device volumetric calibration, respectively measurement icing volume measurement device fill the quality before and after water, calculated by of poor quality
Volume V to icing volume measurement device；Repeated measure n times, and meansigma methodss are calculated, obtain volume V0；N≥3；
B., in -5 DEG C of low temperature environment, ice cube is added the main body after pre-cooling by the main body of pre-cooling icing volume measurement device,
And pre-cooling liquid is injected, lid is tightened, injection pre-cooling liquid is continued to full by the little opening of lid, the icing body after filling is measured
Quality m1 of product measurement apparatus；
C. icing volume measurement device is inverted, by being completely exhausted out liquid, the icing after measurement discharge by the little opening of lid
Quality m2 of volume measurement device；
D. ice cube volume V, V=V0- are calculated（m1- m2）The density of/ρ, wherein ρ for pre-cooling liquid.
Described pre-cooling liquid is -5 DEG C of ethanol.
The icing volume measuring method of the present invention adopts one kind without scale measurement apparatus, by the outer liquid of ice cube in certain volume
The quality of body, calculates indirectly the taper design of volume shared by which and ice cube volume, the smooth treatment of inwall and lid inwall, is easy to
It is completely exhausted out all liq outside ice cube, simple structure.The icing volume measuring method of the present invention deducts ice using certain volume
The basic thought of block outer volume, and volume is calculated indirectly by measuring gained quality, the ice cube volume of degree of precision can be obtained.This
Cubing is converted to mass measurement by the icing volume measuring method of invention, and precision is higher, and certainty of measurement does not receive ice cube
Volume affects.
Description of the drawings
Fig. 1 is the agent structure schematic diagram of the measurement apparatus in the icing volume measuring method of the present invention；
Fig. 2 is the cover body structure schematic diagram of the measurement apparatus in the icing volume measuring method of the present invention；
In figure, 1. 2. body openings screw thread of main body, 3. body openings, 4. lid, 5. lid open-top screw thread, 6. lid is opened
The little opening of 7. lids of mouth.
Specific embodiment
With reference to the accompanying drawings and examples further to the detailed description of the invention, following examples be descriptive, non-limiting
Property, it is impossible to protection scope of the present invention is limited with this.
As shown in Figure 1, 2, the measurement apparatus in icing volume measuring method of the invention include main body 1 and lid 4, main body
1 is the pipe I of one end open other end closing, and the opening of main body 1 is body openings 3, and the outer wall of body openings 3 has main body to open
Mouth screw thread 2；Lid 4 is equipped with main body 1, the one end open other end closing of lid 4, and the outer surface of lid 4 is the face of cylinder, lid
4 inner surface is taper seat, and 4 opening of lid is lid opening 6, and the inwall of lid opening 6 has equipped with body openings screw thread 2
Lid open-top screw thread 5, the bottom of taper seat is parallel with lid opening 6, and the top vertical insertion lid blind end of taper seat is opened
The little opening 7 of the lid of vertical placement tubular at mouthful；
The inner surface of described main body 1 and lid 4 is smooth and silver-plated.
The icing volume measuring method of the present invention, comprises the following steps：
A. device volumetric calibration, respectively measurement icing volume measurement device fill the quality before and after water, calculated by of poor quality
Volume V to icing volume measurement device；Repeated measure n times, and meansigma methodss are calculated, obtain volume V0；N≥3；
B., in -5 DEG C of low temperature environment, ice cube is added the main body after pre-cooling by the main body 1 of pre-cooling icing volume measurement device
1, and pre-cooling liquid is injected, lid 4 is tightened, injection pre-cooling liquid is continued to full by the little opening 7 of lid, the knot after filling is measured
Quality m1 of ice volume measurement device；
C. icing volume measurement device is inverted, by being completely exhausted out liquid, the knot after measurement discharge by the little opening 7 of lid
Quality m2 of ice volume measurement device；
D. ice cube volume V, the density of V=V0-m1- m2/ ρ, wherein ρ for pre-cooling liquid are calculated.
Described pre-cooling liquid is -5 DEG C of ethanol.
Embodiment 1
The internal diameter d of main body 11=12cm, h1=15cm, the internal diameter d of lid opening 62=12cm, h2=6cm, the internal diameter of the little opening 7 of lid
d3=1.5cm, h3The height h of=1cm, body openings screw thread 2 and lid open-top screw thread 54=2cm.Main body 1 and lid 4 are by metal
Material is made, and 1 wall thickness of main body does silver-plated process for the inner surface of 1cm, main body 1 and lid 4.
Calibration process step is as follows：
A1., under normal temperature and pressure environment, main body 1 and lid 4 are revolved by body openings screw thread 2 and lid open-top screw thread 5
Turn sealing, with electronic balance its weight is called 1875.5g；
A2. by the little opening 7 of lid, into icing volume measurement device, injection pure water, to full, claims to obtain its weight with electronic balance
For 3798.2g；
A3. by step 1a and 2a of poor quality be calculated icing volume measurement device volume be：3798.2g-
1875.5g/1g/ml=1922.7ml；
A4. repeat step 1 to 3 carries out 5 volumetric measurements, respectively obtains icing volume measurement device volume for 1922.7ml,
1922.3ml, 1922.4ml, 1922.9ml, 1922.8ml, average after the icing volume measurement device volume that obtains demarcating be
1922.6ml.
Ice cube cubing to be measured is carried out according to calibration result, all steps are carried out in -5 DEG C or so of low temperature environment,
Step is as follows：
B1. the low temperature environment at -5 DEG C carries out precooling treatment to main body 1, lid 4 and ethanol that 5L concentration is 75%；
B2. precooling treatment terminates, and ice cube to be measured is put in main body 1, and adds the ethanol of pre-cooling closely full；
B3. the main body 1 of icing volume measurement device and lid 4 are carried out close by rotating mass open-top screw thread 2 and lid open-top screw thread 5
Envelope, the ethanol for continuing injection pre-cooling in icing volume measurement device by the little opening 7 of lid, till spill-over；Dry knot
The ethanol on ice volume measurement device surface, the quality of the icing volume measurement device after then measurement is filled is 3512.7g；
B4. pre-cooling ethanol in icing volume measurement device is discharged by the little opening 7 of lid, until completely drained；Dry icing body
Product measurement apparatus surface ethanol, the quality of the icing volume measurement device after then measurement is discharged is 1929.3g；
B5. the alcohol by volume for calculating discharge is：3512.7g-1929.3g/ (0.85g/ml)=1862.82ml, wherein 0.85g/ml
It is ethanol density that concentration is 75%；
B6. the volume of ice cube to be measured is：1922.6ml-1862.82ml=59.78ml.
Claims (2)
1. a kind of icing volume measuring method, it is characterised in that：Measurement apparatus in described measuring method include main body（1）With
Lid（4）, main body（1）For the pipe I of one end open other end closing, main body（1）Opening be body openings（3）, main body
Opening（3）Outer wall have body openings screw thread（2）；Lid（4）With main body（1）Equipped, lid（4）Another end seal of one end open
Close, lid（4）Outer surface be the face of cylinder, lid（4）Inner surface be taper seat, lid（4）Opening is lid opening
（6）, lid opening（6）Inwall have and body openings screw thread（2）Equipped lid open-top screw thread（5）, the bottom of taper seat with
Lid opening（6）Parallel, the logical lid blind end that the top vertical of taper seat is passed through, the lid for vertically placing tubular at opening are little
Opening（7）；
Described main body（1）And lid（4）Inner surface smooth and silver-plated；
Icing volume measuring method is comprised the following steps：
A. device volumetric calibration, respectively measurement icing volume measurement device fill the quality before and after water, calculated by of poor quality
Volume V to icing volume measurement device；Repeated measure n times, and meansigma methodss are calculated, obtain volume V0；N≥3；
B. in -5 DEG C of low temperature environment, the main body of pre-cooling icing volume measurement device（1）, ice cube is added the master after pre-cooling
Body（1）, and pre-cooling liquid is injected, tighten lid（4）, by the little opening of lid（7）Continue injection pre-cooling liquid to full, measurement note
Quality m of the icing volume measurement device after full1；
C. icing volume measurement device is inverted, by passing through the little opening of lid（7）Liquid is completely exhausted out, after measurement is discharged
Quality m of icing volume measurement device2；
D. ice cube volume V, V=V are calculated0-（m1- m2）The density of/ρ, wherein ρ for pre-cooling liquid.
2. icing volume measurement device according to claim 1, it is characterised in that：Described pre-cooling liquid is -5 DEG C of wine
Essence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142642.0A CN106500953B (en) | 2016-12-13 | 2016-12-13 | A kind of icing volume measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142642.0A CN106500953B (en) | 2016-12-13 | 2016-12-13 | A kind of icing volume measuring method |
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| Publication Number | Publication Date |
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| CN106500953A true CN106500953A (en) | 2017-03-15 |
| CN106500953B CN106500953B (en) | 2019-04-12 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06147952A (en) * | 1992-11-11 | 1994-05-27 | Sekisui Plastics Co Ltd | Volume measuring method for molded article |
| CN202255522U (en) * | 2011-10-24 | 2012-05-30 | 福建省厦门第六中学 | Irregular object volume measurement device |
| CN105181065A (en) * | 2015-10-11 | 2015-12-23 | 西北农林科技大学 | Volume weighing machine |
| CN105865563A (en) * | 2016-03-11 | 2016-08-17 | 空气动力学国家重点实验室 | An ice block size measuring device |
-
2016
- 2016-12-13 CN CN201611142642.0A patent/CN106500953B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06147952A (en) * | 1992-11-11 | 1994-05-27 | Sekisui Plastics Co Ltd | Volume measuring method for molded article |
| CN202255522U (en) * | 2011-10-24 | 2012-05-30 | 福建省厦门第六中学 | Irregular object volume measurement device |
| CN105181065A (en) * | 2015-10-11 | 2015-12-23 | 西北农林科技大学 | Volume weighing machine |
| CN105865563A (en) * | 2016-03-11 | 2016-08-17 | 空气动力学国家重点实验室 | An ice block size measuring device |
Non-Patent Citations (2)
| Title |
|---|
| 苏法峰: "《协作交流 创新学习——记"测量土豆的体积"一课的教学》", 《小学青年教师》 * |
| 韩志领: "《"变异理论"在小学数学课堂教学中的实践研究——以教学"不规则物体体积的测量"为例》", 《中国教师》 * |
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| CN106500953B (en) | 2019-04-12 |
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Granted publication date: 20190412 Termination date: 20201213 |