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Technique for managing measurement of fluid flows
Flow conditioning ensures that the "real world" environment closely resembles the "laboratory" environment for proper performance of inferential flowmeters
Flow_conditioning
Cooling of air in an enclosed space
annually owing to air conditioning. Air conditioners increase productivity in hot climates, and historians rank air conditioning as a key factor that shaped
Air_conditioning
Technology of indoor and vehicular environmental comfort
Heating, ventilation, and air conditioning (HVAC /ˈeɪtʃˌvæk/) systems regulate temperature, humidity, and indoor air quality in vehicles and buildings
Heating, ventilation, and air conditioning
Heating,_ventilation,_and_air_conditioning
Topics referred to by the same term
conditioning, air conditioning in a vehicle Ice storage air conditioning, air conditioning using ice storage Solar air conditioning, air conditioning
Conditioning
Full immersion in an activity
Flow in positive psychology, also known colloquially as being in the zone or focused, is the mental state in which a person performing some activity is
Flow_(psychology)
State of health and well-being
hormones, metabolic hormones and growth hormones), body temperature, blood flow, hydration status and body position. Physical activity has been shown to
Physical_fitness
Aspects of fluid mechanics involving fluid flow
fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids – liquids and gases. It has several subdisciplines, including aerodynamics
Fluid_dynamics
System to cool the air in a vehicle
Automotive air conditioning systems use air conditioning to cool the air in a vehicle. A company in New York City in the United States first offered the
Automotive_air_conditioning
Family of instruments for the measurement of the total mass flow rate of a fluid
can be reduced by using dual-plate flow conditioning elements. Thermal mass flow meters are typically used in low flow conditions because the amount of
Thermal_mass_flow_meter
Component of air conditioning and refrigeration systems
An air conditioning system with a TX valve is often more efficient than those with designs that do not use one. Also, TX valve air conditioning systems
Thermal_expansion_valve
Constraints to computational problems
media related to Boundary conditions in computational fluid dynamics. Flow conditioning Initial value problem Agnaou, Mehrez; Treeratanaphitak, Tanyakarn;
Boundary conditions in fluid dynamics
Boundary_conditions_in_fluid_dynamics
Machine used to produce air flow
in cooling towers. Axial flow fans are applied in air conditioning and industrial process applications. Standard axial flow fans have diameters of 300–400 mm
Fan_(machine)
Fluid dynamics principle regarding bodies with sharp corners
The Kutta condition is a principle in steady-flow fluid dynamics, especially aerodynamics, that is applicable to solid bodies with sharp corners, such
Kutta_condition
Valve or plate for regulating airflow
flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating
Damper_(flow)
specifies calculations pertaining to oil, fuels and natural gas liquids. Base conditions Equations of state AGA Report No. 8 Flow conditioning v t e
Flow_conditions
Compressible flow velocity limiting effect
flow is a compressible flow effect. The parameter that becomes "choked" or "limited" is the fluid velocity. Choked flow is a fluid dynamic condition associated
Choked_flow
Fluid flow conditioning device
A fluid flow conditioning device, the cheng rotation vane (CRV) is a stationary vane fabricated within a pipe piece as a single unit and welded directly
Cheng_rotation_vane
Device used to regulate and circulate air as part of an HVAC system
and air-conditioning systems and equipment (Inch-Pound ed.). Atlanta, Ga.: ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers
Air_handler
How software progresses through its implementation
In software, control flow (or flow of control) describes how execution progresses from one command to the next. In many contexts, such as machine code
Control_flow
Vehicle propulsion using electromagnetic fields
Blankson, Isaiah M. (June 2003). "Magnetogasdynamic Power Extraction and Flow Conditioning for a Gas Turbine" (PDF). AIAA 2003-4289. 34th AIAA Plasmadynamics
Magnetohydrodynamic_drive
Cooling system that uses solar power
Solar air conditioning, or "solar-powered air conditioning", refers to any air conditioning (cooling) system that uses solar power. This can be done through
Solar_air_conditioning
International trade association
Heating, Refrigerating and Air-Conditioning Engineers Sheet Metal Workers' International Association Sheet metal Duct (flow) Pressurisation ductwork Smoke
Sheet Metal and Air Conditioning Contractors' National Association
Sheet_Metal_and_Air_Conditioning_Contractors'_National_Association
Conduit used in heating, ventilation, and air conditioning
Ducts are conduits or passages used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The needed airflows include, for example
Duct_(flow)
Equipment used to transfer heat between fluids
direct contact. They are widely used in space heating, refrigeration, air conditioning, power stations, chemical plants, petrochemical plants, petroleum refineries
Heat_exchanger
Medical condition where an erection lasts excessively long
its low- and high-flow forms. In low-flow (ischemic) priapism the flow in the cavernous arteries is reduced or absent. As the condition progresses, there
Priapism
Room containing computer servers
In most server rooms "close control air conditioning" systems, also known as PAC (precision air conditioning) systems, are installed. These systems control
Server_room
Process of using ice for thermal energy storage
technology can be found in campus-wide air conditioning or chilled water systems of large buildings. Air conditioning systems, especially in commercial buildings
Ice_storage_air_conditioning
Concept in fluid dynamics
influential pipe flow experiments. The form of this boundary condition is an example of a Dirichlet boundary condition. In the majority of fluid flows relevant
No-slip_condition
Device that cools air through the evaporation of water
that of refrigerative air conditioning, often by 80% or so. However, evaporative cooling and vapor-compression air conditioning are sometimes used in combination
Evaporative_cooler
Computational problem in graph theory
maximum flow problems involve finding a feasible flow through a flow network that obtains the maximum possible flow rate. The maximum flow problem can
Maximum_flow_problem
Force perpendicular to flow of surrounding fluid
fluid flows around an object, the fluid exerts a force on the object. Lift is the component of this force that is perpendicular to the oncoming flow direction
Lift_(force)
Fast-moving current of hot gas and volcanic matter that moves away from a volcano
A pyroclastic flow, more broadly known as a pyroclastic density current, is a fast-moving current of hot gas and volcanic matter (collectively known as
Pyroclastic_flow
Fire retardant
from the plane. Other ingredients include corrosion inhibitors and flow conditioners. Phos-Chek and other retardants based on ammonium phosphate may cause
Phos-Chek
Device for measuring or restricting fluid flow
An orifice plate is a device used for measuring flow rate, reducing pressure or restricting flow (in the latter two cases it is often called a restriction
Orifice_plate
Machine to increase pressure of gas by reducing its volume
of reciprocating compressor, usually employed in automotive cabin air conditioning systems,[citation needed] is the swash plate or wobble plate compressor
Compressor
Air conditioning system that allows for individual control of spaces
Variable refrigerant flow (VRF), is an HVAC technology invented by Daikin Industries, Ltd. in 1982. Daikin Industries, Ltd. named this "VRV" and holds
Variable_refrigerant_flow
Diagnostic tool
ventilating and air-conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a pressure sensing
Duct_leakage_testing
Dynamical system that exhibits continuous and discrete dynamic behavior
either continuously, according to a flow condition, or discretely according to a control graph. Continuous flow is permitted as long as so-called invariants
Hybrid_system
Flow meter for fuel gases
Sensus) Automatic Meter Reading Flow conditioning#Effects on flow measurement devices Electricity meter Flow measurement Gas flow computer Gas meter prover
Gas_meter
State of saturated soils
The quick condition of soil is the condition when the upward water pressure gradient and water flow reduce the effective stress, i.e., cohesiveness of
Quick_condition
Device which rejects waste heat to the atmosphere through the cooling of a water stream
many units installed on or near buildings to discharge heat from air conditioning. Cooling towers are also often thought to emit smoke or harmful fumes
Cooling_tower
used stress conditioning via heat shock on rat kidneys to extend their safe cold storage time to 48 hours. More recently, stress conditioning is being studied
Assisted_evolution
Concept in physics
(boiler) Ekibastuz GRES-2 Power Station HVAC (heating, ventilation and air conditioning) Inco Superstack Solar chimney Solar updraft tower Ventilation shaft
Stack_effect
Geological feature resulting from the movement of bed material by fluid flow
fluid and a moveable bed, the result of bed material being moved by fluid flow. Examples include ripples and dunes on the bed of a river. Bedforms are often
Bedform
Electrical power device
protector stops the flow of electricity from reaching a machine by shutting off the power source. A good quality power conditioner is designed with internal
Power_conditioner
Slow blood flow through the veins, usually in the legs
Venous stasis, or venostasis, is a condition of slow blood flow in the veins, usually of the legs. Potential complications of venous stasis are: Venous
Venous_stasis
Air conditioning technology
increases efficiency. Solar-powered air conditioning Inverter compressors make solar-powered air conditioning viable. Before, fixed-speed on/off compressors
Inverter_compressor
mass flow meters, gas flow switches, liquid flow switches, flow sensors, level switches, and flow conditioners. FCI Aerospace products include sensors, meters
Fluid Components International
Fluid_Components_International
Velocity field as the gradient of a scalar function
potential flow or irrotational flow refers to the idealised, frictionless flow of a fluid. Flows of two kinds are visualised in this way: The flow of an inviscid
Potential_flow
Fluid flow in which density remains constant
incompressible flow is a flow in which the material density does not vary over time. Equivalently, the divergence of an incompressible flow velocity is zero
Incompressible_flow
Experimental medical procedure
temporary cessation of blood flow to a limb to create ischemia (lack of oxygen and glucose) in the tissue. This "conditioning" activates the body's natural
Remote_ischemic_conditioning
HVAC system
means of air distribution, separate from the actual heating and air conditioning systems. The return plenum carries the air from several large return
Forced-air
measuring viscosity by observing the time it takes a known volume of liquid to flow from a cone through a short tube. It is standardized for use by mud engineers
Marsh_funnel
HVAC noise control treatment
and Air Conditioning Engineers. (2006). ASHRAE handbook. ASHRAE. OCLC 315340946. American Society of Heating, Refrigerating and Air Conditioning Engineers
Sound_attenuator
Flow-control device
control fluid flow by varying the size of the flow passage as directed by a signal from a controller. This enables the direct control of flow rate and the
Control_valve
Control system for heating, ventilation, and air conditioning equipment
Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. Usually a sensing
HVAC_control_system
Ventilation grill with moving parts
opened and closed and the air flow directed, which is part of a building's heating, ventilation, and air conditioning (HVAC) system. The placement and
Register_(air_and_heating)
American HVAC professional association
Air-Conditioning Engineers (ASHRAE /ˈæʃreɪ/ ASH-ray) is an American professional association seeking to advance heating, ventilation, air conditioning and
ASHRAE
Air returned to the space conditioning unit from the conditioned space. A refrigerant valve that reverses refrigerant flow to determine whether system
Glossary of geothermal heating and cooling
Glossary_of_geothermal_heating_and_cooling
Equations of motion for viscous fluids
describing viscous flow. The Navier–Stokes equations generalize the Euler equations in that the latter model only considers inviscid flow. The Navier–Stokes
Navier–Stokes_equations
Type of boundary condition in mathematics
surface might lose heat to the environment via convection. The rate of heat flow (related to the derivative of temperature) would be proportional to the difference
Robin_boundary_condition
Method of reusing thermal energy in a building
introduced into the air conditioning system is preheated (or pre-cooled) before it enters the room, or the air cooler of the air conditioning unit performs heat
Heat_recovery_ventilation
Partial differential equation
geometric analysis, the Ricci flow (/ˈriːtʃi/ REE-chee, Italian: [ˈrittʃi]), sometimes also referred to as Hamilton's Ricci flow, is a certain partial differential
Ricci_flow
Russian hypersonic aircraft program
Blankson, Isaiah M. (June 2003). "Magnetogasdynamic Power Extraction and Flow Conditioning for a Gas Turbine" (PDF). AIAA 2003-4289. 34th AIAA Plasmadynamics
Ayaks
Air compressor
pump. Many residential central heat pump and air conditioning systems and a few automotive air conditioning systems employ a scroll compressor instead of
Scroll_compressor
Thermodynamic device
exhaust air inlets. Bernoulli's principle Compressible flow Duct (flow) Mass flow rate Air conditioning ASHRAE SMACNA Nozzle "diffuser". Merriam–Webster Dictionary
Diffuser_(thermodynamics)
Quantification of bulk fluid movement
Flow measurement is the quantification of bulk fluid movement. Flow can be measured using devices called flowmeters in various ways. Volumetric flow meters
Flow_measurement
Valve that blends hot water and cold water
valve". Heating/Piping/Air Conditioning Engineering. 84 (1). 2012. "Thermostatic mixing valve". Heating/Piping/Air Conditioning Engineering. 83 (10). 2011-10-26
Thermostatic_mixing_valve
Ratio of inertial to viscous forces acting on a liquid
predict fluid flow patterns in different situations by measuring the ratio between inertial and viscous forces. At low Reynolds numbers, flows tend to be
Reynolds_number
Medical condition
position covering the glans). If this condition persists for several hours or there is any sign of a lack of blood flow, paraphimosis should be treated as
Paraphimosis
Type of heating, ventilation and air-conditioning system
dedicated supply of 100% outdoor air. Need for excess outdoor air flow and conditioning in VAV systems: When the multiple spaces equation of ASHRAE Standard
Dedicated_outdoor_air_system
HVAC (heating, ventilation, and air conditioning) is a major sub discipline of mechanical engineering. The goal of HVAC design is to balance indoor environmental
Glossary_of_HVAC_terms
Flow graph invented by Claude Shannon
A signal-flow graph or signal-flowgraph (SFG), invented by Claude Shannon, but often called a Mason graph after Samuel Jefferson Mason who coined the term
Signal-flow_graph
Distance a flow travels after entering a pipe before fully developed
fluid dynamics, the entrance length is the distance a flow travels after entering a pipe before the flow becomes fully developed. Entrance length refers to
Entrance length (fluid dynamics)
Entrance_length_(fluid_dynamics)
Fluid flow through a constant-area duct with friction
In fluid dynamics, Fanno flow (after Italian engineer Gino Girolamo Fanno) is the adiabatic flow through a constant area duct where the effect of friction
Fanno_flow
Rechargeable portable batteries
2022, EcoFlow introduced the WAVE mobile air conditioner, Power Kits, DELTA 2 and RIVER 2 series. In 2025, EcoFlow recalled 25,000 EcoFlow Delta Max
EcoFlow
Movement of air
of Heating, Air-Conditioning and Refrigeration Engineers, 2017. Woodford, Chris. "Aerodynamics - Introduction to the science of air flow". Explain that
Airflow
Flow of fluids with zero viscosity (superfluids)
dynamics, inviscid flow is the flow of fluid that is not viscous. The principles of inviscid flow can also be applied to the flow of fluids of low viscosity
Inviscid_flow
Piece of aerodynamic bodywork on open wheel racecars
Formula One teams. Aerodynamically, bargeboards act primarily as flow conditioners, smoothing and redirecting the turbulent or "dirty" air in the wake
Bargeboard_(aerodynamics)
Law describing the pressure drop in an incompressible and Newtonian fluid
fluid in laminar flow flowing through a long cylindrical pipe of constant cross section. It can be successfully applied to air flow in the airways of
Hagen–Poiseuille_equation
Class of turbulent flow
G. A.; Beck, S. B. M. (June 2011). "The fractal flow conditioner for orifice plate flow meters". Flow Measurement and Instrumentation. 22 (3): 208–214
Multiscale_turbulence
Oil and gas industry term for transfer of physical substance from one operator to another
profile dependent helps eliminate the need for straight runs and flow conditioning which enables custody transfer systems to be designed with minimal
Custody_transfer
Device that extracts energy from a fluid flow
vortex) is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work. The work produced can be used for generating
Turbine
Numerical analysis of electric power flow
power-flow study is a numerical analysis of the flow of electric power in an interconnected system. It is also known as power-flow analysis, load-flow study
Power-flow_study
Prandtl condition was suggested by the German physicist Ludwig Prandtl to identify possible boundary layer separation points of incompressible fluid flows. In
Prandtl_condition
Measurement of viscosity in fluid dynamics
the no-slip condition, which was in dispute by the scientific community at the time, was the correct boundary condition for viscous flows at a solid boundary
Taylor–Couette_flow
Three steps for heating maintenance
In heating, ventilation, and air conditioning (HVAC), testing, adjusting and balancing (TAB) are the three major steps used to achieve proper operation
Testing,_adjusting,_balancing
Method of analyzing variables in software
Data-flow analysis is a technique for gathering information about the possible set of values calculated at various points in a computer program. It forms
Data-flow_analysis
Model of viscous fluid flow between two surfaces moving relative to each other
In fluid dynamics, Couette flow is the flow of a viscous fluid in the space between two surfaces, one of which is moving tangentially relative to the other
Couette_flow
Measure of the air volume added to or removed from a space
partially returned to an air conditioner, furnace, or other heat source. Supply air Air entering a space from an air-conditioning, heating, or ventilating
Air_changes_per_hour
Efficiency standard of air filters
heating ventilation and air conditioning (HVAC) system. Face velocity is measured in m/s and can be calculated as the volume flow rate (m3/s) divided by the
HEPA
Event required before something else will occur
control flow proceeds onward, now "outside" of the loop instruction. Poussard v Spiers and Pond (1876) 1 QBD 410 Condition subsequent Necessary condition Sufficient
Condition_precedent
Tool used to investigate the movement of water
Description of a commercial water tunnel showing the inlet baffle, flow conditioning screens, and converging section. These show the clear difference between
Water_tunnel_(hydrodynamic)
Reactor that operates on a continuous flow of inputs
Continuous reactors (alternatively referred to as flow reactors) carry chemical materials as a flowing stream. Reactants are continuously fed into the
Continuous_reactor
Wall-mounted air conditioning system
A packaged terminal air conditioner (PTAC) is a type of self-contained heating and air conditioning system intended to be mounted through a wall. The
Packaged terminal air conditioner
Packaged_terminal_air_conditioner
Medical condition in which spasm of arteries causes episodes of reduced blood flow
Raynaud's phenomenon, is a medical condition in which the spasm of small arteries causes episodes of reduced blood flow to end arterioles. Typically the
Raynaud_syndrome
Where fluid motion is generated by an external source
air conditioning and in many other machines. Forced convection is often encountered by engineers designing or analyzing heat exchangers, pipe flow, and
Forced_convection
Use of liquid or gaseous water in heating or cooling systems
chilled water to provide air conditioning. In homes, the water loop may be as simple as a single pipe that "loops" the flow through every radiator in a
Hydronics
Mathematical term
input data. Saddle point problems arise in the discretization of Stokes flow and in the mixed finite element discretization of Poisson's equation. For
Ladyzhenskaya–Babuška–Brezzi condition
Ladyzhenskaya–Babuška–Brezzi_condition
Machine for continuous flow gas compression
gas turbine. Axial flow compressors produce a continuous flow of compressed gas. They exhibit high efficiency and large mass flow rate in relation to
Axial_compressor
FLOW CONDITIONING
FLOW CONDITIONING
Girl/Female
Australian, British, Christian, English, German, Latin
Goddess; Peaceful Soul; Form of Florence; Blooming; Flower; Arrow
Surname or Lastname
English and Scottish
English and Scottish : topographic name for someone who lived near a tumulus, mound or hill, Middle English lowe, from Old English hlÄw (see Law 2).Scottish and English : nickname for a short man, from Middle English lah, lowe (Old Norse lágr; the word was adopted first into the northern dialects of Middle English, where Scandinavian influence was strong, and then spread south, with regular alteration of the vowel quality).English and Scottish (of Norman origin) : nickname for a violent or dangerous person, from Anglo-Norman French lou, leu ‘wolf’ (Latin lupus). Wolves were relatively common in Britain at the time when most surnames were formed, as there still existed large tracts of uncleared forest.Scottish : from a pet form of Lawrence. Compare Lowry 1.Americanized spelling of Jewish Lowe.
Girl/Female
Latin American
The mythological Roman goddess of flowers. Diminutive of Florence: From 'florentius' or...
Boy/Male
Hindu
Music flow
Boy/Male
British, English
Laurel
Surname or Lastname
English
English : variant of Clough.English : metonymic occupational name for a nailer, from Old French clou ‘nail’. Compare Clower.Possibly an Americanized spelling of German Klau, a habitational name for someone from Klau near Aachen or Clauen in Lower Saxony, or Glau, a nickname for an astute person, from Old High German, Low German glou, glau ‘circumspect’.
Girl/Female
Arabic, Gujarati, Indian, Muslim, Telugu
River; Flow
Boy/Male
Tamil
Music flow
Girl/Female
American, German, Latin
Flowering; Flourishing; Flower; Blossom
Surname or Lastname
English
English : from Middle English blowe, blaa, bloo ‘pale’, hence a nickname for someone with an exceptionally pale complexion.Americanized spelling of French Bleau.
Boy/Male
Gujarati, Hindu, Indian
Flow
Girl/Female
Hindu
Aspirant, Flow
Girl/Female
Native American American Latin
Arrow.
Girl/Female
Indian, Telugu
Flow
Boy/Male
Indian, Sanskrit, Tamil, Telugu
Flow
Girl/Female
Tamil
Shrawani | à®·à¯à®°à®¾à®µà®£à¯€Â
Aspirant, Flow
Shrawani | à®·à¯à®°à®¾à®µà®£à¯€Â
Female
English
English variant spelling of French Fleur, or perhaps just a short form of Latin Flora, both FLOR means "flower."
Surname or Lastname
English
English : unexplained; possibly a variant of Flew, a metonymic occupational name for a fisherman, from Middle English flue, denoting a kind of fishing net.
Girl/Female
Latin Spanish
Flower.
Surname or Lastname
English
English : see Flow.
FLOW CONDITIONING
FLOW CONDITIONING
FLOW CONDITIONING
FLOW CONDITIONING
FLOW CONDITIONING
FLOW CONDITIONING
FLOW CONDITIONING