Viscometry - Revision history

Dnanji: Adding reference.

2022-12-17T03:30:27Z

Adding reference.

@@ Line 24: / Line 24: @@
 ==Functionality==
 The viscometer rotates a spindle submerged in the fluid of interest through a spring, which measures the drag caused by the fluid. Factors determining the viscosity measurement are the spindle being used (chosen for its size), the container (this viscometer is calibrated for 600 milliliter low-form Griffin beakers), and the speed of the spindle. Prior to starting a test, the user can select a combination of spindle and rotation speed that best suits their needs and the expected viscosity of the fluid being measured. The viscometer will automatically update the maximum viscosity it can accurately measure with the selected parameters as the user changes the options (i.e. selecting a smaller spindle and/or lowering the speed will increase the range).
-===Subsection 1===
+==References==
-===Subsection 2===
+# ''More Solutions to Sticky Problems.'' https://www.brookfieldengineering.com/-/media/ametekbrookfield/tech-sheets/more-solutions-2017.pdf?la=en&revision=95201d42-069e-445d-9cd6-ddea3d9df156&hash=69A9D97710801B42C6EB8DDF014641AE<ref>''More Solutions to Sticky Problems.''</ref>
 [[Category:Equipment]]

Dnanji: /* Theory */

2022-12-17T03:09:20Z

Theory

← Older revision		Revision as of 23:09, 16 December 2022
Line 8:		Line 8:
	\|'''Measurement Range''': 15-6,000,000 centipoise (cP)		\|'''Measurement Range''': 15-6,000,000 centipoise (cP)
	\|-		\|-
	\|'''~~Spec 2~~''': ~~Details~~		\|'''Spindles''': LV-1 through LV-4
			'''Speeds''': 0.1-200 rpm
	\|}		\|}
	This page is currently in progress.		This page is currently in progress.
Line 16:		Line 17:

	Viscosity is calculated using the quantities of shear stress and shear rate. Shear stress is defined as force divided by area, and is in this case a the measured amount of force per area required to cause the fluid to move. Shear rate is the speed of the fluid caused by the force. As shown in the equation below, viscosity is the shear stress divided by the shear rate.		Viscosity is calculated using the quantities of shear stress and shear rate. Shear stress is defined as force divided by area, and is in this case a the measured amount of force per area required to cause the fluid to move. Shear rate is the speed of the fluid caused by the force. As shown in the equation below, viscosity is the shear stress divided by the shear rate.

			If a fluid is non-Newtonian, the viscosity will vary with shear rate and the spindle used. For consistent results, the same experimental conditions must be used. Most fluids are non-Newtonian. Non-Newtonian fluid types include pseudoplastics, dialtants, plastics, thixotropic fluids, and rheopexic fluid. With pseudoplastics, viscosity and shear rate have a negative relationship. Dilatants show an increase in viscosity with an increase in shear rate. Plastics may act as either Newtonian fluids, or one of the previously mentioned non-Newtonian fluid types once an initial "push" is given, such as an impact. Until disturbed by a sufficient force, plastics will act as solids and not flow. Thixotropic fluids will experience a decrease in viscosity as time passes, while rheopexic fluids will experience an increase in viscosity over time.

			Fluids may experience either laminar or turbulent flow. In laminar flow, the layers of fluid move without an exchange of fluid between layers. With turbulent flow, molecules of fluid in layers will collide and move between layers. This effect is more prevalent at higher speeds, as this encourages molecules to diverge from their original layer more. When turbulent flow is present, the viscosity reading may be higher than the true viscosity. More viscous fluids are more likely to experience laminar flow. Laminar flow is the ideal condition for accurate results. If turbulence is present, lowering the speed may resolve it and make the reading more accurate.

	==Functionality==		==Functionality==

Dnanji: Dnanji moved page Brookfield DV2T Viscometer to Viscometry

2022-11-09T17:03:23Z

Dnanji moved page Brookfield DV2T Viscometer to Viscometry

← Older revision		Revision as of 13:03, 9 November 2022
(No difference)

Dnanji at 01:03, 19 October 2022

2022-10-19T01:03:52Z

← Older revision		Revision as of 21:03, 18 October 2022
Line 10:		Line 10:
	\|'''Spec 2''': Details		\|'''Spec 2''': Details
	\|}		\|}
			This page is currently in progress.

	==Theory==		==Theory==
	Viscosity is a quanity that describes the resistance to flow of a fluid. Flowing liquids have layers, and the friction between the layers contributes to the measured viscosity value. The more resistance between layers, the more force is required to move the fluid. For example, if one were to attempt to stir a spoon in a jar of honey, more force would be required to move the honey out of the way of the spoon than would be required to move the same spoon through a jar of water, as honey has a far greater viscosity than water.		Viscosity is a quanity that describes the resistance to flow of a fluid. Flowing liquids have layers, and the friction between the layers contributes to the measured viscosity value. The more resistance between layers, the more force is required to move the fluid. For example, if one were to attempt to stir a spoon in a jar of honey, more force would be required to move the honey out of the way of the spoon than would be required to move the same spoon through a jar of water, as honey has a far greater viscosity than water.

Dnanji at 21:09, 17 October 2022

2022-10-17T21:09:11Z

← Older revision		Revision as of 17:09, 17 October 2022
Line 11:		Line 11:
	\|}		\|}
	==Theory==		==Theory==
	Viscosity is a quanity that describes the resistance to flow of a fluid. Flowing liquids have layers, and the friction between the layers contributes to the measured viscosity value. The more resistance between layers, the more force is required to move the fluid. For example, if one were to attempt to stir a spoon in a jar of honey, more force would be required to move the honey out of the way of the spoon than would be required to move the same spoon through a jar of water~~. Honey~~ has a greater viscosity than water. Viscosity is calculated using the quantities of shear stress and shear rate. Shear stress is defined as force divided by area, and is in this case a the measured amount of force per area required to cause the fluid to move. Shear rate is the speed of the fluid caused by the force. As shown in the equation below, viscosity is the shear stress divided by the shear rate.		Viscosity is a quanity that describes the resistance to flow of a fluid. Flowing liquids have layers, and the friction between the layers contributes to the measured viscosity value. The more resistance between layers, the more force is required to move the fluid. For example, if one were to attempt to stir a spoon in a jar of honey, more force would be required to move the honey out of the way of the spoon than would be required to move the same spoon through a jar of water, as honey has a far greater viscosity than water.

			Viscosity is calculated using the quantities of shear stress and shear rate. Shear stress is defined as force divided by area, and is in this case a the measured amount of force per area required to cause the fluid to move. Shear rate is the speed of the fluid caused by the force. As shown in the equation below, viscosity is the shear stress divided by the shear rate.

	==Functionality==		==Functionality==

Dnanji: I have started the theory section.

2022-10-13T21:00:16Z

I have started the theory section.

← Older revision		Revision as of 17:00, 13 October 2022
Line 10:		Line 10:
	\|'''Spec 2''': Details		\|'''Spec 2''': Details
	\|}		\|}
	==~~Viscosity~~==		==Theory==
	Viscosity is a ~~quantity~~ that ~~numerically~~ describes the resistance to flow of a fluid.		Viscosity is a quanity that describes the resistance to flow of a fluid. Flowing liquids have layers, and the friction between the layers contributes to the measured viscosity value. The more resistance between layers, the more force is required to move the fluid. For example, if one were to attempt to stir a spoon in a jar of honey, more force would be required to move the honey out of the way of the spoon than would be required to move the same spoon through a jar of water. Honey has a greater viscosity than water. Viscosity is calculated using the quantities of shear stress and shear rate. Shear stress is defined as force divided by area, and is in this case a the measured amount of force per area required to cause the fluid to move. Shear rate is the speed of the fluid caused by the force. As shown in the equation below, viscosity is the shear stress divided by the shear rate.

	==~~Operation~~==		==Functionality==
	The viscometer rotates a spindle submerged in the fluid of interest through a spring, which measures the drag caused by the fluid. Factors determining the viscosity measurement are the spindle being used (chosen for its size), the container (this viscometer is calibrated for 600 milliliter low-form Griffin beakers), and the speed of the spindle. Prior to starting a test, the user can select a combination of spindle and rotation speed that best suits their needs and the expected viscosity of the fluid being measured. The viscometer will automatically update the maximum viscosity it can accurately measure with the selected parameters as the user changes the options (i.e. selecting a smaller spindle and/or lowering the speed will increase the range).		The viscometer rotates a spindle submerged in the fluid of interest through a spring, which measures the drag caused by the fluid. Factors determining the viscosity measurement are the spindle being used (chosen for its size), the container (this viscometer is calibrated for 600 milliliter low-form Griffin beakers), and the speed of the spindle. Prior to starting a test, the user can select a combination of spindle and rotation speed that best suits their needs and the expected viscosity of the fluid being measured. The viscometer will automatically update the maximum viscosity it can accurately measure with the selected parameters as the user changes the options (i.e. selecting a smaller spindle and/or lowering the speed will increase the range).

	~~==Theory==~~
	Theory of operation. Feel free to add hyperlinks to other internal pages about the topic (ex. 3D Printing <math>\rightarrow</math> Additive Manufacturing) or external links as such: [https://www.mediawiki.org/wiki/Help:Editing_pages Editing pages on Mediawiki].

	~~[[File:LoveBuilding1.png\|thumb\|300px\|'''''Image example:''''' This is the default image format for the MILL Wiki.]]~~

	===Subsection 1===		===Subsection 1===
	Formulae or sidenotes about theory can be placed in subsections. (ex. XRD <math>\rightarrow</math> Bragg's Law)		Formulae or sidenotes about theory can be placed in subsections. (ex. XRD <math>\rightarrow</math> Bragg's Law)

Dnanji: The image is now showing up correctly and I have begun adding text to the page. The SOP is linked above the viscometer image.

2022-10-13T03:32:50Z

The image is now showing up correctly and I have begun adding text to the page. The SOP is linked above the viscometer image.

← Older revision		Revision as of 23:32, 12 October 2022
Line 6:		Line 6:
	\|[[File:Viscometer.PNG\|center\|300px]]<!-- THIS IS A COMMENT: insert image .png file here after uploading -->		\|[[File:Viscometer.PNG\|center\|300px]]<!-- THIS IS A COMMENT: insert image .png file here after uploading -->
	\|-		\|-
	\|'''~~Spec 1~~''': ~~Details~~		\|'''Measurement Range''': 15-6,000,000 centipoise (cP)
	\|-		\|-
	\|'''Spec 2''': Details		\|'''Spec 2''': Details
	\|}		\|}
	==~~Overview~~==		==Viscosity==
	~~This page serves as~~ a ~~template for all other MILL Wiki pages. Please use this as a resource when creating or editing pages. See our [[MILL Wiki Contributor Guide]].~~		Viscosity is a quantity that numerically describes the resistance to flow of a fluid.
	~~To use, copy and paste the source (edit source) into your new page—a quick page creation tool (in read mode) is displayed at~~ the ~~bottom~~ of ~~this template for your convenience~~.

	==Operation==		==Operation==
	~~This section~~ is for ~~equipment~~-~~-give~~ a ~~very brief overview~~ of ~~equipment operation~~ and ~~safety guidelines,~~ and ~~''link~~ the ~~[[SOPs\|SOP page]]''~~. ~~DO NOT COPY+PASTE SOPs into this section~~. ~~See [[MILL Wiki Contributor Guide]] for more notes on editing pages~~.		The viscometer rotates a spindle submerged in the fluid of interest through a spring, which measures the drag caused by the fluid. Factors determining the viscosity measurement are the spindle being used (chosen for its size), the container (this viscometer is calibrated for 600 milliliter low-form Griffin beakers), and the speed of the spindle. Prior to starting a test, the user can select a combination of spindle and rotation speed that best suits their needs and the expected viscosity of the fluid being measured. The viscometer will automatically update the maximum viscosity it can accurately measure with the selected parameters as the user changes the options (i.e. selecting a smaller spindle and/or lowering the speed will increase the range).

	==Theory==		==Theory==

Dnanji at 03:01, 13 October 2022

2022-10-13T03:01:29Z

← Older revision		Revision as of 23:01, 12 October 2022
Line 4:		Line 4:
	! style="font-size:135%;text-align:center;" \|Brookfield DV2T Viscometer [https://mill.mse.gatech.edu/sop/viscometer/ <nowiki>[SOP]</nowiki>]		! style="font-size:135%;text-align:center;" \|Brookfield DV2T Viscometer [https://mill.mse.gatech.edu/sop/viscometer/ <nowiki>[SOP]</nowiki>]
	\|-		\|-
	\|[[File:Viscometer.~~png~~\|center\|~~200px~~]]<!-- THIS IS A COMMENT: insert image .png file here after uploading -->		\|[[File:Viscometer.PNG\|center\|300px]]<!-- THIS IS A COMMENT: insert image .png file here after uploading -->
	\|-		\|-
	\|'''Spec 1''': Details		\|'''Spec 1''': Details

Dnanji at 03:00, 13 October 2022

2022-10-13T03:00:28Z

← Older revision		Revision as of 23:00, 12 October 2022
Line 4:		Line 4:
	! style="font-size:135%;text-align:center;" \|Brookfield DV2T Viscometer [https://mill.mse.gatech.edu/sop/viscometer/ <nowiki>[SOP]</nowiki>]		! style="font-size:135%;text-align:center;" \|Brookfield DV2T Viscometer [https://mill.mse.gatech.edu/sop/viscometer/ <nowiki>[SOP]</nowiki>]
	\|-		\|-
	\|[[File:Viscometer.png\|center\|~~300px~~]]<!-- THIS IS A COMMENT: insert image .png file here after uploading -->		\|[[File:Viscometer.png\|center\|200px]]<!-- THIS IS A COMMENT: insert image .png file here after uploading -->
	\|-		\|-
	\|'''Spec 1''': Details		\|'''Spec 1''': Details

Dnanji at 02:58, 13 October 2022

2022-10-13T02:58:59Z

← Older revision		Revision as of 22:58, 12 October 2022
Line 4:		Line 4:
	! style="font-size:135%;text-align:center;" \|Brookfield DV2T Viscometer [https://mill.mse.gatech.edu/sop/viscometer/ <nowiki>[SOP]</nowiki>]		! style="font-size:135%;text-align:center;" \|Brookfield DV2T Viscometer [https://mill.mse.gatech.edu/sop/viscometer/ <nowiki>[SOP]</nowiki>]
	\|-		\|-
	\|[[File:~~Phenomxl-sem-setup~~.png\|center\|300px]]<!-- THIS IS A COMMENT: insert image .png file here after uploading --> ~~[[File:Viscometer.png\|200px\|thumb\|left\|Caption]]~~		\|[[File:Viscometer.png\|center\|300px]]<!-- THIS IS A COMMENT: insert image .png file here after uploading -->
	\|-		\|-
	\|'''Spec 1''': Details		\|'''Spec 1''': Details