GB1453053A - Device for evaluating drop systems - Google Patents

Device for evaluating drop systems

Info

Publication number
GB1453053A
GB1453053A GB450073A GB450073A GB1453053A GB 1453053 A GB1453053 A GB 1453053A GB 450073 A GB450073 A GB 450073A GB 450073 A GB450073 A GB 450073A GB 1453053 A GB1453053 A GB 1453053A
Authority
GB
United Kingdom
Prior art keywords
spray
photo
sources
concave mirror
mirror
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
Application number
GB450073A
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB450073A priority Critical patent/GB1453053A/en
Priority to DE19742404373 priority patent/DE2404373A1/en
Priority to US05/601,493 priority patent/US3992103A/en
Publication of GB1453053A publication Critical patent/GB1453053A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging

Abstract

1453053 Evaluating drop size information NATIONAL RESEARCH DEVELOPMENT CORP 29 Jan 1974 [30 Jan 1973] 4500/73 Heading G1A In a device for evaluating drop size information of a spray system 6, light from two sources 1 and 2 is alternately passed via their respective collimators 3 and 4 and a semi-reflector 5 on to the spray 6 and the radiation passing straight through (i.e. that which has not been obstructed by the particles in the spray) and the radiation scattered is received respectively by photo receptors 8 and 13, the photo receptors being in the form of a matrix of photo-detectors or a vidican tube. The outputs of the photo receptors may then be processed electrically Fig. 3 (not shown) with the aid of buffer stores and a computer to determine information about the size of particles in the spray and/or their velocity. The diffracted or scattered radiation is received as shown by a "stepped" concave mirror 11 of which each step corresponds to a different focal plane within the spray, and the light reflected by the concave mirror 11 is received by a convex mirror 12 and reflected through an aperture 14 on to the photo receptor. In an alternative embodiment Fig. 4 (not shown) the stepped concave mirror is replaced by a fresnel lens whose "ridges" perform the same function as the "steps" of the mirror. The light from the two sources can be separated from one another by colour filters or polarized filters 9. In a further embodiment Fig. 2 (not shown) the source 2 is removed and two powerful flash sources such as laser pumped discharge tubes are positioned directly above or below the spray.
GB450073A 1973-01-30 1973-01-30 Device for evaluating drop systems Expired GB1453053A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB450073A GB1453053A (en) 1973-01-30 1973-01-30 Device for evaluating drop systems
DE19742404373 DE2404373A1 (en) 1973-01-30 1974-01-30 DEVICE FOR ESTIMATING OR MEASURING THE DIMENSIONS, SHAPES AND SPEEDS OF DROPS IN A SPRAY MIST
US05/601,493 US3992103A (en) 1973-01-30 1975-08-04 Devices for evaluating drop systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB450073A GB1453053A (en) 1973-01-30 1973-01-30 Device for evaluating drop systems

Publications (1)

Publication Number Publication Date
GB1453053A true GB1453053A (en) 1976-10-20

Family

ID=9778373

Family Applications (1)

Application Number Title Priority Date Filing Date
GB450073A Expired GB1453053A (en) 1973-01-30 1973-01-30 Device for evaluating drop systems

Country Status (2)

Country Link
DE (1) DE2404373A1 (en)
GB (1) GB1453053A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013113679A1 (en) * 2012-02-01 2013-08-08 Siemens Aktiengesellschaft Arrangement for detecting particles

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3229264C2 (en) * 1982-08-05 1986-01-02 Dipl.-Ing. Bruno Richter GmbH & Co. Elektronische Betriebskontroll-Geräte KG, 8602 Stegaurach Optical-electrical measuring device for measuring the position and / or the dimensions of objects
DE3623318A1 (en) * 1986-07-11 1988-01-21 Thebock & Feil Gmbh Physikalis Device for one-dimensional measurement of an object

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013113679A1 (en) * 2012-02-01 2013-08-08 Siemens Aktiengesellschaft Arrangement for detecting particles

Also Published As

Publication number Publication date
DE2404373A1 (en) 1974-08-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee