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Dimensionless number describing relative pressures in a fluid flow field
dynamics, the pressure coefficient is a dimensionless number which describes the relative pressures throughout a flow field. The pressure coefficient is used
Pressure_coefficient
Pressure of soil in horizontal direction
equations to account for a nonplanar rupture surface. The coefficient of lateral earth pressure, K, is defined as the ratio of the horizontal effective
Lateral_earth_pressure
Dimensionless parameter to quantify fluid resistance
In fluid dynamics, the drag coefficient (commonly denoted as: c d {\displaystyle c_{\mathrm {d} }} , c x {\displaystyle c_{x}} or c w {\displaystyle c_{\rm
Drag_coefficient
Where a fluid's velocity is zero
first established). This information can be used to show that the pressure coefficient C p {\displaystyle C_{p}} at a stagnation point is unity (positive
Stagnation_point
First we have to know about the loading, pressure and flow coefficient which are as follow- Loading coefficient {\displaystyle ~} Ψ ′ = g h u 2 {\displaystyle
Compressor_characteristic
Measure of the relative pressure change due to a temperature change
In thermodynamics, thermal pressure coefficient is a measure of the relative pressure change of a fluid or a solid in response to a temperature change
Thermal_pressure_coefficient
Mathematical description of fluid movements
Staverman's reflection coefficient, determined by the condition of the endothelial glycocalyx over the junction gaps. Pressures are customarily measured
Starling_equation
Tendency of matter to change volume in response to a change in temperature
temperature at a constant pressure, such that lower coefficients describe lower propensity for change in size. Several types of coefficients have been developed:
Thermal_expansion
Measure of a device's efficiency at allowing fluid flow
flow coefficient of a device is a relative measure of its efficiency at allowing fluid flow. It describes the relationship between the pressure drop across
Flow_coefficient
Phenomenon of non-ideal fluids changing temperature
described as being either. The coefficient is negative at both very high and very low temperatures; at very high pressure it is negative at all temperatures
Joule–Thomson_effect
Gas law regarding proportionality of dissolved gas
carbon dioxide, at a pressure higher than atmospheric pressure. After the bottle is opened, this gas escapes, thus decreasing the pressure above the liquid
Henry's_law
Airfoil designed primarily to delay the onset of wave drag in the transonic speed range
point along the airfoil, a shock is generated, which increases the pressure coefficient to the critical value Cp-crit, where the local flow velocity will
Supercritical_airfoil
Value accounting for thermodynamic non-ideality of mixtures
activity coefficient. Analogously, expressions involving gases can be adjusted for non-ideality by scaling partial pressures by a fugacity coefficient. The
Activity_coefficient
Science of air vehicle orientation and control in three dimensions
}}^{2}|}}}} where Cp is the compressible pressure coefficient Cp0 is the incompressible pressure coefficient M∞ is the freestream Mach number. This relation
Aircraft_flight_dynamics
Parameter used to calculate the volume change of a fluid or solid in response to pressure
thermodynamics and fluid mechanics, the compressibility (also known as the coefficient of compressibility or, if the temperature is held constant, the isothermal
Compressibility
Change in nuclear fission rate caused by voids in a reactor
In nuclear engineering, the void coefficient (more properly called void coefficient of reactivity) is a number that can be used to estimate how much the
Void_coefficient
Concept applicable to the testing of engineering models
units to form the Reynolds number ( R e {\displaystyle R_{e}} ) and pressure coefficient ( C p {\displaystyle C_{p}} ). These dimensionless numbers account
Similitude
Body Theory Pressure Coefficient is: C p = − ( 2 u + v 2 + w 2 ) {\displaystyle C_{p}=-(2u+v^{2}+w^{2})} The Linear Theory Pressure Coefficient is: C p =
Aerodynamic potential-flow code
Aerodynamic_potential-flow_code
Device for measuring or restricting fluid flow
fluid pressure across tappings upstream and downstream of the plate, the flow rate can be obtained from Bernoulli's equation using coefficients established
Orifice_plate
or other constriction, the discharge coefficient (also known as coefficient of discharge or efflux coefficient) is the ratio of the actual discharge
Discharge_coefficient
Any cause that reduces reproductive success in a proportion of a population
of research. In population genetics, selective pressure is usually expressed as a selection coefficient. It has been shown that putting an amino acid bio-synthesizing
Evolutionary_pressure
Quantity relating heat flux and temperature difference
In thermodynamics, the heat transfer coefficient or film coefficient, or film effectiveness, is the proportionality constant between the heat flux and
Heat_transfer_coefficient
Force used to generate motion between a body and a tangential surface
tractive force to the normal force and is termed the coefficient of traction (similar to coefficient of friction). It is the force which makes an object
Traction_(mechanics)
Classical solution for inviscid, incompressible flow around a cylinder
-1\,,} where ps is the surface pressure of the impermeable cylinder. Now let Cpi be the internal pressure coefficient inside the cylinder, then a slight
Potential flow around a circular cylinder
Potential_flow_around_a_circular_cylinder
Theory in soil mechanics
backfill surface. The equations for active and passive lateral earth pressure coefficients are given below. Note that φ' is the angle of shearing resistance
Rankine_theory
Pressure exerted by a vapor in thermodynamic equilibrium
equation Lee–Kesler method Osmotic coefficient Raoult's law: vapor pressure lowering in solution Reid vapor pressure Relative humidity Relative volatility
Vapor_pressure
Torque on an airfoil from forces applied at the aerodynamic center
by the dynamic pressure, the area and chord of the airfoil, the result is known as the pitching moment coefficient. This coefficient changes only a little
Pitching_moment
Force resisting the motion when a body rolls on a surface
expressed as a coefficient times the normal force. This coefficient of rolling resistance is generally much smaller than the coefficient of sliding friction
Rolling_resistance
Spacecraft end-of-life orbit
{\displaystyle C_{\mathrm {R} }} is the satellite's solar radiation pressure coefficient, whose value is between 1 (for absorption) and 2 (for specular reflection)
Graveyard_orbit
Topics referred to by the same term
heat capacity at constant pressure Pressure coefficient (Cp), a parameter for studying the flow of fluids Center of pressure (fluid mechanics), the point
CP
Ratio of useful heating or cooling provided to work required
The coefficient of performance or COP (sometimes CP or CoP) of a heat pump, refrigerator or air conditioning system is a ratio of the useful heating or
Coefficient_of_performance
Force resisting sliding motion
pavement has a high coefficient of friction. Coefficients of friction range from near zero to greater than one. The coefficient of friction between two
Friction
Measure of the tendency of a solution to take in pure solvent by osmosis
Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable
Osmotic_pressure
Pressure of a component gas in a mixture
a mixture of gases, each constituent gas has a partial pressure which is the notional pressure of that constituent gas as if it alone occupied the entire
Partial_pressure
Theoretical construct in flow physics
}}^{2}|}}}} where cp is the compressible pressure coefficient cp0 is the incompressible pressure coefficient M∞ is the freestream Mach number. This formula
Prandtl–Glauert_singularity
Equation in fluid dynamics
Darcy–Weisbach friction factor, friction factor, resistance coefficient, or flow coefficient. The Darcy-Weisbach equation, combined with the Moody chart
Darcy–Weisbach_equation
Pulmonary function test
of similar age, sex and body composition. A derived parameter is the coefficient of retraction (CR) which is Pmax/TLC . Mean transit time (MTT) Mean transit
Spirometry
Effective partial pressure
reality than an ideal gas. The real gas pressure and fugacity are related through the dimensionless fugacity coefficient φ = f P . {\displaystyle \varphi ={\frac
Fugacity
Point at which the resultant force of a pressure field acts on a body
contributions to the center of pressure are dominated by the nose, wings, and fins. The normalized normal force coefficient derivative with respect to the
Center of pressure (fluid mechanics)
Center_of_pressure_(fluid_mechanics)
Difference in pressure between two points of a fluid
are provided with an associated flow coefficient, commonly known as Cv or Kv. The flow coefficient relates pressure drop, flow rate, and specific gravity
Pressure_drop
Pressure exerted upon any surface exposed to electromagnetic radiation
Radiation pressure (also known as light pressure) is mechanical pressure exerted upon a surface due to the exchange of momentum between the object and
Radiation_pressure
Interactions among inertial, elastic, and aerodynamic forces
[citation needed] The methods for buffet detection are: Pressure coefficient diagram Pressure divergence at trailing edge Computing separation from trailing
Aeroelasticity
Family of private twinjet aircraft manufactured by Gulfstream Aerospace
Outboard wing modifications were aimed at reducing the peak subcritical pressure coefficient and moving it aft in an effort to reduce shock strength and increase
Gulfstream_IV
Proportionality constant in some physical laws
Diffusivity, mass diffusivity or diffusion coefficient is usually written as the proportionality constant between the molar flux due to molecular diffusion
Mass_diffusivity
Dimensionless quantity relating lift to fluid density and velocity over an area
In fluid dynamics, the lift coefficient (CL) is a dimensionless quantity that relates the lift generated by a lifting body to the fluid density around
Lift_coefficient
Lowest theoretical temperature
Kinoshita and Jiro Oishi reported measurements of expansion and pressure coefficients for nitrogen, hydrogen, helium, and neon, deriving the absolute
Absolute_zero
Physical measure of overcoming air resistance
In ballistics, the ballistic coefficient (BC, Cb) of a body is a measure of its ability to overcome air resistance in flight. It is inversely proportional
Ballistic_coefficient
Orbital data format
point assumed) 00000-0 11 54–61 B*, the drag term, or radiation pressure coefficient (units of 1/(Earth radii), decimal point assumed) -11606-4 12 63
Two-line_element_set
Sub-class of turbomachinery
coefficient becomes of secondary importance, and the speed coefficient of tertiary importance. It may be found interesting that the speed coefficient
Centrifugal_compressor
Machine used to produce air flow
compactness, shape, quiet operation, and ability to provide a high-pressure coefficient. Effectively a rectangular fan in terms of inlet and outlet geometry
Fan_(machine)
Statistic used for comparing the similarity of two samples
The Dice-Sørensen coefficient is a statistic used to gauge the similarity of two samples. It was independently developed by the botanists Lee Raymond
Dice-Sørensen_coefficient
will reduce the GFR at a given filtration pressure "Filtration coefficient - definition of filtration coefficient by Medical dictionary". TheFreeDictionary
Filtration_coefficient
Equation for the force of drag
area, and c d {\displaystyle c_{\rm {d}}} is the drag coefficient – a dimensionless coefficient related to the object's geometry. The equation is attributed
Drag_equation
Diagram showing the proportion of a receptor bound to a ligand
reversible Hill equation. The Hill coefficient is also intimately connected to the elasticity coefficient where the Hill coefficient can be shown to equal: n =
Hill_equation_(biochemistry)
Quantity characterizing the deviation of a solvent from ideal behavior
An osmotic coefficient ϕ {\displaystyle \phi } is a quantity which characterises the deviation of a solvent from ideal behaviour, referenced to Raoult's
Osmotic_coefficient
Measure of wave reflectivity
In physics and electrical engineering the reflection coefficient is a parameter that describes how much of a wave is reflected by an impedance discontinuity
Reflection_coefficient
Characteristic of rocket engine nozzles
Thrust coefficients characterize how well a nozzle will boost the efficiency of a rocket engine by expanding the exhaust gas and dropping its pressure before
Thrust_coefficient
Type of Soviet nuclear power reactor
reactor design had several shortcomings, such as the large positive void coefficient, the 'positive scram effect' of the control rods and instability at low
RBMK
Transport of dissolved species from the highest to the lowest concentration region
used in two different scenarios ( D {\displaystyle D} is the diffusion coefficient, having dimensions area / time): Brownian motion of an impulsive point
Diffusion
Wing shape
pressure area in tenths of the chord. The subscript digit gives the range of lift coefficient in tenths above and below the design lift coefficient in
NACA_airfoil
Measure of the effective concentration of a species in a mixture
pressures do we need to worry about such changes. Activity expressed in terms of pressure is called fugacity. Example values of activity coefficients
Thermodynamic_activity
Measure used in population genetics
Selection coefficient, usually denoted by the letter s, is a measure used in population genetics to quantify the relative fitness of a genotype compared
Selection_coefficient
Retarding force on a body moving in a fluid
30. ISBN 9780080928593. tec-science (31 May 2020). "Drag coefficient (friction and pressure drag)". tec-science. Retrieved 25 June 2020. Morrison, Faith
Drag_(physics)
Expansion coefficients in statistical mechanics
Virial coefficients B i {\displaystyle B_{i}} appear as coefficients in the virial expansion of the pressure of a many-particle system in powers of the
Virial_coefficient
stretch factors), normalizing data; Deriving flow field functions like pressure coefficient or vorticity magnitude, verifying solution convergence, estimating
Tecplot
English civil engineer
writings, he formulated concepts such as that of A and B pore water pressure coefficient which is still widely used today. Many of his research documents
Alec_Skempton
000 feet (20,000 m). The surface of the vehicle is colored by the pressure coefficient, and the gray contours represent the density of the surrounding air
Overflow_(software)
Measure of solubility of general anaesthetics in blood
when the partial pressure in both compartments is equal, is nearly constant at sufficiently low concentrations. The partition coefficient is defined as this
Blood–gas partition coefficient
Blood–gas_partition_coefficient
Dimensionless number; ratio of a fluid's flow inertia to the external field
where u is the mean flow velocity, β = gK cos ζ, (K is the earth pressure coefficient, ζ is the slope), sg = g sin ζ, x is the channel downslope position
Froude_number
Mathematical technique in aerodynamics
}}_{\bar {z}}} in the transformed space. The physical linearized pressure coefficient is then obtained by the inverse transformation C p = − 2 ϕ x V ∞
Prandtl–Glauert transformation
Prandtl–Glauert_transformation
Gliders built by the Wright brothers
a published value of 0.005 for the pressure coefficient of air (Smeaton coefficient). Convinced this coefficient value was in error, they derived a smaller
Wright_Glider
then the air pressure, Pw varies all over the building surface (Fig 7). where Po a reference pressure (Pa) Cp wind pressure coefficient (dimensionless)
Dynamic_insulation
Branch of astronomy
distance r, Q P R {\displaystyle Q_{\rm {PR}}} is the radiation pressure coefficient of the particle, A {\displaystyle A} is the cross section (for spherical
Dust_astronomy
Type of nuclear reactor
This property is called the void coefficient of reactivity, and in an RBMK reactor like Chernobyl, the void coefficient is positive, and fairly large, making
Pressurized_water_reactor
consistent form, such as energy per volume or pressure. For example, the ratios of characteristic pressures (or energies per volume) for inertial, viscous
Dimensionless numbers in fluid mechanics
Dimensionless_numbers_in_fluid_mechanics
Range of wavelengths from 650 to 1350 nanometre
scattering spectrum. When pressure is applied to the tissue, the attenuation coefficient (mainly the scattering coefficient) is modified due to changes
Near-infrared window in biological tissue
Near-infrared_window_in_biological_tissue
Streamlined body for generating lift
the pitching moment is independent of the lift coefficient and the angle of attack. The center of pressure, which is the chord-wise location about which
Airfoil
Equation on water flow in pipes
(pounds per square inch gauge pressure) L = length of pipe in feet Q = flow, gpm (gallons per minute) C = pipe roughness coefficient d = inside pipe diameter
Hazen–Williams_equation
Provides computing resources for various NASA projects
000 feet (20,000 m). The surface of the vehicle is colored by the pressure coefficient, and the gray contours represent the density of the surrounding air
NASA Advanced Supercomputing Division
NASA_Advanced_Supercomputing_Division
Temperature and pressure point where phase boundaries disappear
normal conditions is nearly incompressible, has a low thermal expansion coefficient, has a high dielectric constant, and is an excellent solvent for electrolytes
Critical point (thermodynamics)
Critical_point_(thermodynamics)
Aerodynamic resistance against the motion of an object
axis). A prudent choice of body profile is essential for a low drag coefficient. Streamlines should be continuous, and separation of the boundary layer
Parasitic_drag
Principle relating to fluid dynamics
Bernoulli's principle is a key concept in fluid dynamics that relates pressure, speed and height. For example, for a fluid flowing horizontally, Bernoulli's
Bernoulli's_principle
Rate constant in engineering
partial pressures when dealing with mass transfer in a gas phase and thus use units of pressure. Mass transfer Separation process Sieving coefficient Seader
Mass_transfer_coefficient
Machine for continuous flow gas compression
stage loading coefficient ( ψ {\displaystyle \psi \,} ) as a function of flow coefficient ( ϕ {\displaystyle \phi \,} ) Stage pressure ratio against flow
Axial_compressor
Compressible flow velocity limiting effect
condition associated with the Venturi effect. When a flowing fluid at a given pressure and temperature passes through a constriction (such as the throat of a
Choked_flow
Resistance of a fluid to shear deformation
Chart – a table of viscosities and vapor pressures for various fluids Gas Dynamics Toolbox – calculate coefficient of viscosity for mixtures of gases Glass
Viscosity
Pressure exerted by molecules of water vapor in gaseous form
The vapor pressure of water is the pressure exerted by molecules of water vapor in gaseous form (whether pure or in a mixture with other gases such as
Vapour_pressure_of_water
Device for testing internal aerodynamics of engine parts
the cylinder falls below the ports pressure). The coefficient of the port may change somewhat at different pressure differentials due to changes in Reynolds
Air_flow_bench
Law of thermodynamics for vapour pressure of a mixture
1887, it states that the partial pressure of each component of an ideal mixture of liquids is equal to the vapor pressure of the pure component (liquid or
Raoult's_law
sails along the chord and calculate pressure coefficients (static pressure difference over wind-induced dynamic pressure). Research results describe airflow
Forces_on_sails
Point on an airfoil
lift coefficient. The lift and drag forces can be applied at a single point, the center of pressure. However, the location of the center of pressure moves
Aerodynamic_center
adiabatic free expansion (see below). This coefficient is often small, and usually negative at modest pressures (as predicted by the van der Waals equation)
Internal_pressure
Measure of pressure exerted by large dissolved molecules in biological fluids
Oncotic pressure, or colloid osmotic-pressure, is a type of osmotic pressure induced by the plasma proteins, notably albumin, in a blood vessel's plasma
Oncotic_pressure
Speed at which a chemical reaction takes place
temperature coefficient (Q). Q10 is commonly used as the ratio of rate constants that are 10 °C apart and is usually on the order of 2. The pressure dependence
Reaction_rate
Fluid dynamics calculation
length/length]; C {\displaystyle C} is Chézy's coefficient [length1/2/time]. Values of this coefficient must be determined experimentally. Typically, these
Chézy_formula
Physical law about electrical discharge in gases
{\displaystyle \gamma _{\text{se}}} is the secondary-electron-emission coefficient (the number of secondary electrons produced per incident positive ion)
Paschen's_law
Sticking coefficient is the term used in surface physics to describe the ratio of the number of adsorbate atoms (or molecules) that adsorb, or "stick"
Sticking_coefficient
pressure to volumetric compression (GPa) or ratio of the infinitesimal pressure increase to the resulting relative decrease of the volume Coefficient
List_of_materials_properties
Type of aerodynamic or hydrodynamic drag
pressure of the free stream. The skin friction coefficient is a dimensionless skin shear stress which is nondimensionalized by the dynamic pressure of
Skin_friction_drag
Physical coefficient is an important number that characterizes some physical property of a technical or scientific object under specified conditions.
Physical_coefficient
PRESSURE COEFFICIENT
PRESSURE COEFFICIENT
Boy/Male
Tamil
Treasure
Girl/Female
Tamil
Treasure
Girl/Female
Indian
Treasure
Boy/Male
Indian
Pleasure
Girl/Female
Tamil
Upkosha | உபà¯à®•à¯‹à®·à®¾
Treasure
Upkosha | உபà¯à®•à¯‹à®·à®¾
Girl/Female
Indian
Treasure
Girl/Female
Hindu
Treasure
Boy/Male
Hindu
Pleasure
Girl/Female
Muslim
Treasure
Boy/Male
British, English
From the Priest's Meadow
Surname or Lastname
English (Bristol, Gwent)
English (Bristol, Gwent) : from Middle English tresor ‘treasure’, ‘wealth’, ‘riches’ (Old French trésor, from Latin thesaurus ‘hoard’), hence a metonymic occupational name for a treasurer or person in charge of financial administration, or an affectionate nickname for a loved or valued person.
Boy/Male
Tamil
Treasure
Boy/Male
Indian
Pleasure
Boy/Male
Tamil
Khazana | க஼ஜ஼ாநாÂ
Treasure
Khazana | க஼ஜ஼ாநாÂ
Surname or Lastname
English
English : nickname from Old French prestre ‘priest’.German : derogatory nickname for a bully or tyrant, from an agent noun derivative of pressen ‘to oppress’.Jewish (Ashkenazic) : occupational name for someone who did ironing, from Yiddish pres ‘flat iron’ + the agent noun suffix -er.
Girl/Female
Muslim
Treasure
Girl/Female
Muslim
Treasure
Boy/Male
Tamil
Pleasure
Girl/Female
Arabic, Muslim, Sindhi
Treasure of Heaven; Treasure
Girl/Female
Tamil
Abhirathi | அபிரதீ
Pleasure
PRESSURE COEFFICIENT
PRESSURE COEFFICIENT
Surname or Lastname
English
English : said to be a variant of Mangum, though the insertion of -r- is hard to account for.
Girl/Female
Hindu, Indian, Kannada, Sanskrit, Tamil, Telugu
Pure; Honest; Night
Girl/Female
Tamil
Charuprabha | சாரà¯à®ªà¯à®°à®ªà®¾
Beautiful
Boy/Male
Indian, Punjabi, Sikh
Love for Devotion
Girl/Female
Indian, Punjabi, Sikh
Of the Guru; System of Guru
Boy/Male
Indian
Prophet Muhammad, Chosen, Elected
Boy/Male
Persian
Happy.
Male
Dutch
, healthy.
Girl/Female
Assamese, Hindu, Indian, Kannada, Marathi, Sanskrit, Sindhi, Tamil, Telugu
Carried; Red
Girl/Female
Tamil
Rising
PRESSURE COEFFICIENT
PRESSURE COEFFICIENT
PRESSURE COEFFICIENT
PRESSURE COEFFICIENT
PRESSURE COEFFICIENT
a.
Pressing; urgent; also, oppressive; as, pressive taxation.
n.
Pressure.
n.
Affliction; distress; grievance.
n.
Impression; stamp; character impressed.
n.
The act of pressing, or the condition of being pressed; compression; a squeezing; a crushing; as, a pressure of the hand.
n.
A contrasting force or impulse of any kind; as, the pressure of poverty; the pressure of taxes; the pressure of motives on the mind; the pressure of civilization.
a.
Having, employing, or exerting, a low degree of pressure.
n.
The action of a force against some obstacle or opposing force; a force in the nature of a thrust, distributed over a surface, often estimated with reference to the upon a unit's area.
n.
Urgency; as, the pressure of business.
v. i.
To suppose or assume something to be, or to be true, on grounds deemed valid, though not amounting to proof; to believe by anticipation; to infer; as, we may presume too far.
a.
Provided or bound with a tressure; arranged in the form of a tressure.
a.
Having equal pressure.
v. t.
To collect and deposit, as money or other valuable things, for future use; to lay up; to hoard; usually with up; as, to treasure up gold.
v. t.
To give or afford pleasure to; to please; to gratify.
a.
Causing, or giving rise to, pressure or to an increase of pressure; as, pressor nerve fibers, stimulation of which excites the vasomotor center, thus causing a stronger contraction of the arteries and consequently an increase of the arterial blood pressure; -- opposed to depressor.
n.
Pressure acting within.
a.
Fig.: Urgent; intense; as, a high-pressure business or social life.
a.
Having or involving a pressure greatly exceeding that of the atmosphere; -- said of steam, air, water, etc., and of steam, air, or hydraulic engines, water wheels, etc.
a.
Indicating equal barometric pressure.
v. i.
To take pleasure; to seek pursue pleasure; as, to go pleasuring.