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See searches and references containing ROUGHNESS LENGTH!ROUGHNESS LENGTH
Parameter of some vertical wind profile equations
Roughness length ( z 0 {\displaystyle z_{0}} ) is a parameter used when modeling the horizontal mean wind speed near the ground. In wind vertical profile
Roughness_length
Topics referred to by the same term
up roughness in Wiktionary, the free dictionary. Roughness may refer to: Surface roughness, the roughness of a surface Roughness length, roughness as
Roughness
Measure of surface finish or texture
Surface roughness or simply roughness is the quality of a surface of not being smooth and it is hence linked to human (haptic) perception of the surface
Surface_roughness
Wind model
is the surface roughness (in meters), and ψ {\displaystyle \psi } is a stability term where L {\displaystyle L} is the Obukhov length from Monin-Obukhov
Log_wind_profile
Topics referred to by the same term
that mediates the weak force a rare rail transport modelling scale Roughness length, a factor used in wind speed calculations Z0 sex-determination system
Z0
Constant in fluid dynamics
flow velocity at height z above the boundary. The roughness height (also known as roughness length) z0 is where u {\displaystyle u} appears to go to zero
Von_Kármán_constant
Movement of air
surface. The level of friction is quantified by a parameter called the "roughness length." Streamlines connect velocities and are tangential to the instantaneous
Airflow
1997 studio album by the Lady of Rage
Necessary Roughness is the only studio album by American hip-hop artist the Lady of Rage. The album was released on June 24, 1997. Necessary Roughness was largely
Necessary_Roughness_(album)
Relation of flow speed to wall distance
_{\nu }} and a characteristic roughness length-scale k s {\displaystyle k_{s}} , Intuitively, this means that if the roughness elements are hidden within
Law_of_the_wall
Graph used in fluid dynamics
the Darcy–Weisbach friction factor fD, Reynolds number Re, and surface roughness for fully developed flow in a circular pipe. It can be used to predict
Moody_chart
Equation in fluid dynamics
known, as are the diameter of the pipe D and its roughness height ε. If as well the head loss per unit length S is a known quantity, then the friction factor
Darcy–Weisbach_equation
Meteorological estimate for evapotranspiration
aerodynamic effects like the zero plane displacement height and the roughness length of the surface. The stomatal conductance gs accounts for the effect
Penman–Monteith_equation
Loss of fluid flow through friction
sources of form friction are sometimes reduced to an equivalent length of pipe. The roughness of the surface of the pipe or duct affects the fluid flow in
Friction_loss
Episode list for an animated series
'Dallas', + 'Royal Pains', 'Storage Wars', 'Barter Kings', 'Necessary Roughness' & More". TV by the Numbers. Archived from the original on June 24, 2012
List_of_Futurama_episodes
British meteorologist (1920–1997)
on surface roughness and wind stress over water surfaces. The now named "Charnock's relationship" describes the aerodynamic roughness length, z 0 {\displaystyle
Henry_Charnock
\tau } is the Reynolds stress and z 0 {\displaystyle z_{0}} is the roughness length. Furthermore, Miles defined the growth rate γ {\displaystyle \gamma
Miles-Phillips_mechanism
Soil chacteristic
Soil-surface roughness (SSR) are vertical variations present in the micro- and macro-relief of a soil surface, as well as their statistical distribution
Soil-surface_roughness
Form of shear stress
flow obstacles such as trees or buildings. Displacement height or roughness length can be approximated as 2/3 to 3/4 of the average height of the obstacles
Shear_velocity
table 1 and explained below) The roughness large scale (Rl) is based on visual comparison of the trace (with a length of about 1 m) or surface (with an
Sliding criterion (geotechnical engineering)
Sliding_criterion_(geotechnical_engineering)
Near-field diffraction effect
27.2931I. doi:10.1116/1.3258144. Okulov, A Yu (1991). "The effect of roughness of optical elements on the transverse structure of alight field in a nonlinear
Talbot_effect
Genre in painting, where the intent is to depict a specific human subject
Oliver Cromwell famously demanded that his portrait show "all these roughnesses, pimples, warts, and everything as you see me, otherwise I will never
Portrait_painting
American television series, 2011–2019
"Burn Notice," "Suits" on Thursday, June 23; "Royal Pains," "Necessary Roughness" on Wednesday, June 29". The Futon Critic. Retrieved April 8, 2011. Levine
Suits_(American_TV_series)
Measure of the periodicity of surface roughness
broader view of roughness because it is more strictly defined as "the irregularities whose spacing is greater than the roughness sampling length". It can occur
Waviness
Distribution of air pollution into Earth's atmosphere
the surface roughness length and the Monin–Obukhov length. ADMS 4 – United Kingdom's most advanced model, uses the Monin-Obukhov length, the boundary
Outline of air pollution dispersion
Outline_of_air_pollution_dispersion
Measurement of small-scale features on surfaces
primary form, surface fractality, and surface finish (including surface roughness) are the parameters most commonly associated with the field. Surface metrology
Surface_metrology
Ratio of inertial to viscous forces acting on a liquid
flow is generally chaotic, and very small changes to shape and surface roughness of bounding surfaces can result in very different flows. Nevertheless
Reynolds_number
Surface roughness scattering or interface roughness scattering is the elastic scattering of particles against a rough solid surface or imperfect interface
Scattering from rough surfaces
Scattering_from_rough_surfaces
Equation on water flow in pipes
the length of pipe in psig (pounds per square inch gauge pressure) L = length of pipe in feet Q = flow, gpm (gallons per minute) C = pipe roughness coefficient
Hazen–Williams_equation
Difference in pressure between two points of a fluid
containing a high relative roughness rating as well as many pipe fittings and joints, tube convergence, divergence, turns, surface roughness, and other physical
Pressure_drop
Standards used to define surface quality
standard notation (eg "60-40") or by specifying RMS (root mean square) roughness (eg "0.3 nm RMS"). American notation focuses on how visible surface defects
Surface imperfections (optics)
Surface_imperfections_(optics)
Ratio between local shear stress and bulk dynamic pressure within a flow
where ϵ {\displaystyle \epsilon } is the roughness of the inner surface of the pipe (dimension of length) D is inner pipe diameter; The Swamee–Jain
Fanning_friction_factor
Measurement technique
vibrations), the contrast and the roughness of the surface. The best results are obtained with a short coherence length, a small sampling step size, good
White_light_interferometry
Interpretation of sensory information
such under different colors and intensities of light. Another example is roughness constancy: when a hand is drawn quickly across a surface, the touch nerves
Perception
Extinct giant shark species
white shark. The tooth was anchored by connective tissue fibers, and the roughness of the base may have added to mechanical strength. The lingual side of
Megalodon
Genetics responsible for the appearance of a cat's fur
between all breeds. A recessive autosomal gene for Onion hair which causes roughness and swelling on the hairs. The swelling is due to enlargement of the inner
Cat_coat_genetics
Swiss mechanical engineer
measurable surface roughness and described the concept of relative roughness, the ratio of hydraulic radius to surface roughness. He applied these concepts
Albert_Strickler
Electromagnetic waves that travel along an interface
is critical to the theoretical understanding of the effect of surface roughness. Moreover, simple isolated surface defects such as a groove, a slit or
Surface_plasmon_polariton
Smoothly polished surface in geology
propagation. Slickenside formation results in unique roughness on a slip surface. Fault surface roughness (or topography) is characterized by the aspect ratio
Slickenside
Scale to estimate the roughness of the sea for navigation
Douglas and hydrographer of the Royal Navy. Its purpose is to estimate the roughness of the sea for navigation. The scale has two codes: one code is for estimating
Douglas_sea_scale
Tissue paper for cleaning after defecation or urination
greatly in the distinguishing technical factors, such as size, weight, roughness, softness, chemical residues, "finger-breakthrough" resistance, water-absorption
Toilet_paper
pore size distribution, and pore morphology (such as pore shape, surface roughness, and tortuosity of pore channels) of a porous medium. Pores are the openings
Pore_structure
a metal surface is: surface metal (float Ka = 1; float Ks = 1; float roughness = 0.1;) { normal Nf = faceforward (normalize(N), I); vector V = - normalize
RenderMan_Shading_Language
rah is aerodynamic resistance between zero plane displacement (d) + roughness length of momentum (zom) and measurement height (z) of wind speed, ras is
BAITSSS
Function in fluid mathematics
significant roughness, e.g. vegetated surfaces or urban areas, the universal functions must be modified to include the effects of surface roughness. A myriad
Monin–Obukhov similarity theory
Monin–Obukhov_similarity_theory
Object that reflects an image
flat-white paint). Thus, a mirror can be any surface in which the texture or roughness of the surface is smaller (smoother) than the wavelength of the waves
Mirror
Bowling technique in cricket
At speeds of over 90 mph a ball always exhibits reverse swing, but as roughness increases on the leading side, the speed at which reverse swing occurs
Fast_bowling
ISO collection of international standards
morphological filter. Under 25178, industry-specific taxonomies such as roughness vs waviness are replaced by the more general concept of "scale limited
ISO_25178
Lithography using 13.5 nm UV light
smoothen edge roughness, but low spatial-frequency roughness still remains, whereas in metal oxide resists, even high spatial-frequency roughness remains,
Extreme ultraviolet lithography
Extreme_ultraviolet_lithography
Type of electron microscope
the roughness of ice crystals. This method can combine variable-pressure environmental SEM and the 3D capabilities of the SEM to measure roughness on individual
Scanning_electron_microscope
Physical law about electrical discharge in gases
electrons strongly depends on the material of the cathode, its surface (roughness, impurities) and the environmental conditions (temperature, humidity etc
Paschen's_law
Standard sizes of paper
and crack along the folded edge. The heavier the paper, the more likely roughness and cracking will occur. "British Imperial Paper Sizes". PaperSizes.org
Paper_size
Raised fibers on the surface of a textile, or the directionality of such a raised surface
Starting around the 14th century, the word referred originally to the roughness of woven cloth before it was sheared. When cloth, especially woollen cloth
Nap_(fabric)
Sparkling sunlight reflections off water
glitter. Cox, Charles; Munk, Walter (1954-11-01). "Measurement of the Roughness of the Sea Surface from Photographs of the Sun's Glitter". JOSA. 44 (11):
Sun_glitter
Invariant measure of fractal dimension
In mathematics, the Hausdorff dimension is a measure of roughness, or more specifically, fractal dimension, that was introduced in 1918 by mathematician
Hausdorff_dimension
Hydrocarbon lakes on Titan, a moon of Saturn
Bryan; Elachi, Charles; Cassini Radar Team (September 15, 2017). "Surface roughness of Titan's hydrocarbon seas". Earth and Planetary Science Letters. 474:
Lakes_and_rivers_of_Titan
Musical tuning based on pure intervals
temperament chords a roughness or beating can be heard at about 4 Hz and about 0.8 Hz. In the just intonation triad, this roughness is absent. The square
Just_intonation
Categorizations of simultaneous or successive sounds
lengths to create instruments that produce this slight "roughness". Sensory dissonance and its two perceptual manifestations (beating and roughness)
Consonance_and_dissonance
Type of road
1 million mi) of unpaved road in the world, making up 57% of the total road length. A forest road is a type of rudimentary access road, built by private companies
Unpaved_road
Infinitely detailed mathematical structure
first aired August 24, 2011 Benoit Mandelbrot: Fractals and the Art of Roughness ([1]), TED, February 2010 Equations of self-similar fractal measure based
Fractal
February 2022. Retrieved 6 August 2022. Holmes, J.D. (December 2017). "Roughness lengths and turbulence intensities for wind over water" (PDF). 9th Asia-Pacific
Flinders_Reef_(Coral_Sea)
System that powers a motor vehicle
on parts shape and dimension; and material surface flatness, waviness, roughness, and porosity. Quality control over these parameters is achieved through
Powertrain
Engineering thermoplastic polymer
treating acetal homopolymer called satinizing that creates a surface roughness sufficient for micromechanical interlocking. There are also processes
Polyoxymethylene
American military machine gun deployed 1960
Due to the rotating bolt design, the M60 required stoning of burrs or roughness on the lugs, which could increase headspace, occasionally causing cartridge
M60_machine_gun
Quantity in solid-state physics
impurity scattering as carriers move only in two dimensions. Interfacial roughness also causes short-range scattering limiting the mobility of quasi-two-dimensional
Electron_mobility
2025 film by Paul Thomas Anderson
Connection (1971) and The Last Detail (1973), explaining that this "stylistic roughness" was "essential" for Anderson in telling the story. According to Bauman
One_Battle_After_Another
Metal forming process
broken lines that run along the length of the metal and caused by the presence of scale as well as due to pass roughness of Roughing mill. Slivers Prominent
Rolling_(metalworking)
Aesthetic assessment of physical traits
have found that the ideal female skin colour is tan, with no spots or roughness. There is a widespread perception in Japan that White women's skin is
Physical_attractiveness
Deflection of a spinning object moving through a fluid
geometry of the body; the magnitude also depends upon the body's surface roughness and viscosity of the fluid. Accurate quantitative predictions of the force
Magnus_effect
Force resisting sliding motion
friction is considered to arise as the result of surface roughness features across multiple length scales at solid surfaces. These features, known as asperities
Friction
English actor (born 1969)
learning Hindi for the role. He also starred in the independent feature-length film Four Corners of Suburbia, winner of both the Crossroads Film Festival
Paul_Blackthorne
Concept in fluid dynamics
dominant under different conditions. The first contends that the surface roughness is responsible for bringing the fluid to rest through viscous dissipation
No-slip_condition
Roller coaster at Hersheypark
critical acclaim, but it gained a negative reputation for its increasing roughness. Wildcat closed for a major refurbishment in July 2022. Rocky Mountain
Wildcat's_Revenge
Vehicle noise made by trains
engines, traction motors, brakes, and the wheels rolling on the rails. Roughness and irregularities on the wheel and rail surfaces are a source of noise
Train_noise
Family of carnivoran mammals
Garner, Austin M.; Dhinojwala, Ali (2022). "Polar bear paw pad surface roughness and its relevance to contact mechanics on snow". Journal of the Royal
Bear
American football player (born 2000)
Buffalo Bills on August 23, Sanders was ejected following an unnecessary roughness penalty for punching Bills tight end Zach Davidson after a play. Head
Shilo_Sanders
Earthquake in Japan
Приморья после землетрясения в Японии снизится к вечеру [Experts: sea roughness off the coast of Primorye after the earthquake in Japan will decrease
2024_Noto_earthquake
Speed of sound wave through elastic medium
at height h; ζ is the exponential coefficient based on ground surface roughness, typically between 0.08 and 0.52; dU/dh(h) is the rate of change of the
Speed_of_sound
Physical phenomenon
case the gap between the two surfaces is in the order of Surface roughness|roughness of the surfaces, or, 2. The tensile stresses overcome the compressive
Elasto-capillarity
Traffic intersection
Pedestrian crossings at each entry/exit may be located at least one full car length outside the circle. The extra space allows pedestrians to cross behind vehicles
Roundabout
1987 single by George Strait
including Strait's version in the films Road House (1989), Necessary Roughness (1991), Cold Creek Manor (2003), Power Rangers (2017), and Bumblebee (2018)
All_My_Ex's_Live_in_Texas
Multifractal function used in terrain modeling and simulation
sampling length, G {\displaystyle G} is the scaling coefficient. The W-M function generates statistically self-similar surfaces with control over roughness, orientation
Weierstrass–Mandelbrot function
Weierstrass–Mandelbrot_function
Non-arbitrary attachment of sounds to object shapes
colleagues have] show[n] that people associate the trilled 'R' sound with roughness and the 'L' sound with smoothness. Mark Dingemanse... in 2013 found [that]
Bouba/kiki_effect
Type of trucking vehicle
(82.8 ft) long. In Finland, a length of 34.5 metres (113 ft) has been allowed since January 2019. In Sweden, this length has been allowed on several major
Road_train
American football player and murderer (1989–2017)
attorney, reprinted the contents of the notes in his 2018 book Unnecessary Roughness. One short letter was addressed to Baez, thanking him for securing the
Aaron_Hernandez
Italian physicist and astronomer (1564–1642)
a telescope. It reported his observations of: the Galilean moons the roughness of the Moon's surface the existence of a large number of stars invisible
Galileo_Galilei
Vacuum tube used to display images
film or lacquer may be applied to the phosphors to reduce the surface roughness of the surface formed by the phosphors to allow the aluminum coating to
Cathode_ray_tube
Equations for calculations of the Darcy friction factor
and ρ the fluid's density. The pipe's relative roughness ε / D, where ε is the pipe's effective roughness height and D the pipe (inside) diameter. f stands
Darcy friction factor formulae
Darcy_friction_factor_formulae
American football player (born 1989)
quarter. Gronkowski was fined twice this season, once for "unnecessary roughness" against Indianapolis Colts safety Sergio Brown, and the other time occurring
Rob_Gronkowski
Lizards belonging to the suborder Gekkota
time, because the margin for error is great depending upon the surface roughness, and therefore the number of setae in contact with that surface. Use of
Gecko
American actor (born 1954)
Quantum Leap, with his catchphrase of "Oh, boy." and appeared in the feature-length documentary The Captains, which was written and directed by William Shatner
Scott_Bakula
Mathematical function defined piecewise by polynomials
interpolation are normally determined as the minimizers of suitable measures of roughness (for example integral squared curvature) subject to the interpolation
Spline_(mathematics)
Technology that uses a laser to cut materials
micrometers and repeatability of 5 micrometers.[citation needed] Standard roughness Rz increases with the sheet thickness, but decreases with laser power
Laser_cutting
2014 (2014-06-17) 7 "Hit the Showers" July 1, 2014 (2014-07-01) 8 "Unnecessary Roughness" July 15, 2014 (2014-07-15) 9 "The Red Zone" July 29, 2014 (2014-07-29)
List of Deadliest Catch episodes
List_of_Deadliest_Catch_episodes
Collection of models with the same renormalization group flow limit
roughness of surfaces, from atomically flat to rough. The root mean square fluctuation in the evolving surface height (which characterizes roughness)
Universality_class
Light-sensitive material used in making electronics
throughput, but also to limit line edge roughness due to shot noise statistics. However, the acid diffusion length is itself a potential resolution limiter
Photoresist
2011 American drama television series
after Blucas was forced to drop out due to his commitment on Necessary Roughness. Recurring Gossip Girl star Connor Paolo was cast as a series regular
Revenge_(TV_series)
American television series (2015–2019)
second season, used creative editing styles that included jump cuts, varied lengths of takes and shuffling scenes around within an episode and sometimes even
Mr._Robot
Device used in surveying
specific point on land. By adjusting the length of the legs, one can bring the table level regardless of the roughness of the terrain. In use, a plane table
Plane_table
93rd season in franchise history
Steen. All three were disqualified after being flagged for unnecessary roughness during the altercation. With the victory, the Eagles clinched their second
2025 Philadelphia Eagles season
2025_Philadelphia_Eagles_season
Wave where gravity is the main restoring force
linearly with time. The air-water interface is now endowed with a surface roughness due to the capillary-gravity waves, and a second phase of wave growth
Gravity_wave
ROUGHNESS LENGTH
ROUGHNESS LENGTH
Girl/Female
Indian, Sanskrit
A Measure of Length which is from the Wrist to the Tip of the Fingers
Girl/Female
Biblical
Roundness of a sheaf.
Surname or Lastname
English
English : variant of Black 1, meaning ‘swarthy’ or ‘dark-haired’, from a byform of the Old English adjective blæc, blac ‘black’, with change of vowel length.English : nickname from Old English blÄc ‘wan’, ‘pale’, ‘white’, ‘fair’. In Middle English the two words blac and blÄc, with opposite meanings, fell together as Middle English blake. In the absence of independent evidence as to whether the person referred to was dark or fair, it is now impossible to tell which sense was originally meant.Irish : Anglicized form of Gaelic Ó Bláthmhaic ‘descendant of Bláthmhac’, a personal name from bláth ‘flower’, ‘blossom’, ‘fame’, ‘prosperity’ + mac ‘son’. In some instances, however, the Irish name is derived from Old English blæc ‘dark’, ‘swarthy’, as in 1 above. Many bearers are descended from Richard Caddell, nicknamed le blac, sheriff of Connacht in the early 14th century. The English name has been Gaelicized de Bláca.
Boy/Male
Arabic, Muslim
Strong; Brave; Long; Lengthy
Surname or Lastname
English and Irish
English and Irish : apparently a topographic name from Middle English furlong ‘length of a field’ (from Old English furh ‘furrow’ + lang ‘long’), the technical term for the block of strips owned by several different persons which formed the unit of cultivation in the medieval open-field system of farming, or a habitational name from a minor place named with this word, such as Furlong in Devon or Shropshire. The surname is now chiefly common in Ireland, where a family of this name settled at the end of the 13th century.Possibly an Americanized form of French Ferland.
Girl/Female
Hindu, Indian
Lengthy Greatness Like Rainfall
Surname or Lastname
English
English : from Middle English cubit ‘forearm’ (from Latin cubitum), presumably applied as a nickname for someone with strong or otherwise remarkable forearms; in its extended sense, as a unit of length, it may have been a metonymic occupational name for a builder.
Biblical
roundness of a sheaf
Surname or Lastname
German and Dutch
German and Dutch : metonymic occupational name for a dealer in cloth or a tailor, from Middle High German, Middle Low German el(l)e ‘yardstick’, ‘length of the lower arm’.German : from a short form, Edilo, from any of various Germanic personal names composed with adal ‘noble family’.English : from the female personal name Ela, a reduced form of Elena and possibly also of Eleanor.
ROUGHNESS LENGTH
ROUGHNESS LENGTH
Boy/Male
Indian, Sanskrit
Lord of the Spoken Word
Boy/Male
Teutonic German
Peaceful ruler.
Boy/Male
Hindu, Indian
Lord Indra
Surname or Lastname
English
English : habitational name from Leadon or Upleadon in Herefordshire, or Highleadon or Upleadon in Gloucestershire, all named from the Leadon river, which derives its name from British litano- ‘broad’.
Boy/Male
Tamil
Fortunate
Girl/Female
Indian
Wisdom.
Surname or Lastname
English (mainly Dorset; also East Anglia)
English (mainly Dorset; also East Anglia) : from the Middle English byname or personal name Cobbe, Cobba, or its Old Norse cognate Kobbi, which are probably from an element meaning ‘lump’, used to denote a large man.English (mainly Dorset; also East Anglia) : from a reduced form of Jacob.
Boy/Male
English
From the town on the high ground.
Boy/Male
Arabic, Muslim
Name of Twenty Three Companions of Muhammad
Surname or Lastname
English (Dorset)
English (Dorset) : unexplained.See Diffee.
ROUGHNESS LENGTH
ROUGHNESS LENGTH
ROUGHNESS LENGTH
ROUGHNESS LENGTH
ROUGHNESS LENGTH
n.
A bristling up; a rising into roughness; tumultuous movement.
n.
Moral roughness; roughness of manner; severity; crabbedness; harshness; -- opposed to mildness.
n.
Roundness; plumpness.
n.
Roughness to the taste; sourness; tartness.
n.
The quality or state of being tough.
adv.
Softly; without roughness or harshness; gently; quietly.
n.
Roughness or ruggedness.
n.
The quality or state of being round in shape; as, the roundness of the globe, of the orb of the sun, of a ball, of a bowl, a column, etc.
n.
Roundness; rotundity.
n.
hence, any roughness; unevenness.
n.
Roughness of surface; unevenness; -- opposed to smoothness.
n.
Openess; plainess; boldness; positiveness; as, the roundness of an assertion.
n.
Fullness; smoothness of flow; as, the roundness of a period; the roundness of a note; roundness of tone.
n.
Quality of being brusque; roughness joined with promptness; bluntness.
n.
The state of being scaly; roughness.
n.
The quality or state of being rough.
n.
Roughness; ruggedness.
n.
One who roughhews.
n.
Roughness of sound; harshness; hoarseness; as, huskiness of voice.
n.
The quality or state of being shaggy; roughness; shaggedness.