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energy factor is a metric used in the United States to compare the energy conversion efficiency of residential appliances and equipment. The energy factor
Energy_factor
Ratio of active power to apparent power
stored energy in the load returns to the source on each cycle. When the power factor is 1, referred to as the unity power factor, all the energy supplied
Power_factor
Expansion of the universe parameter
years ago, a subsequent dark-energy–dominated era. By itself the scale factor in cosmology is a geometrical scaling factor conventionally set to be 1.0
Scale_factor_(cosmology)
Ratio of power produced to power needed
A fusion energy gain factor, usually expressed with the symbol Q, is the ratio of fusion power produced in a nuclear fusion reactor to the power required
Fusion_energy_gain_factor
US EPA program and certification
Energy Star (trademarked ENERGY STAR) is an energy-efficiency program established in 1992. It is administered by the U.S. Environmental Protection Agency
Energy_Star
Electrical production measure
capacity factor is the unitless ratio of actual electrical energy output over a given period of time to the theoretical maximum electrical energy output
Capacity_factor
Thermodynamic process that uses energy sources to heat water
energy factor of at least 60% (for 50-US-gallon units, higher for smaller units), increased from the pre-2015 minimum standard of 58% energy factor for
Water_heating
Resonator damping parameter
the initial energy stored in the resonator to the energy lost in one radian of the cycle of oscillation. An alternative definition of Q factor, more applicable
Q_factor
Physical quantity
accepted. The modern analog of this property, kinetic energy, differs from vis viva only by a factor of two. Writing in the early 18th century, Émilie du
Energy
Energy allocation method
factor for electrical energy, i.e. the share of the fuel input which is allocated to electricity production ath: allocation factor for thermal energy
Carnot_method
Comparison of a large range of energies
calculation: Rotational energy = (defined equal to) 1/2 * Moment of Inertia Factor * Mass * Radius^2 * Angular Velocity^2 The inertial factor has been normalized
Orders_of_magnitude_(energy)
Academic journal
to the Journal Citation Reports, the journal has a 2023 impact factor of 9.3. "Energy Policy". 2023 Journal Citation Reports (Science ed.). Clarivate
Energy_Policy_(journal)
Resources used in the production process
two types of factors: primary and secondary. The previously mentioned primary factors are land, labour and capital. Materials and energy are considered
Factors_of_production
Marvel Comics superhero
X-Factor team. Havok is a mutant possessing the power to absorb ambient cosmic energy, process it, and emanate it from his body as waves of energy that
Havok_(character)
Comic book superhero team
X-Factor is a group of mutant superheroes appearing in American comic books published by Marvel Comics. X-Factor launched in 1986 featuring a team composed
X-Factor_(comics)
index EEM—Energy Efficient Mortgage EER—energy efficiency ratio EF—energy factor (clothes washers) EIM—Energy Improvement Mortgage ERV—energy-recovery
List_of_energy_abbreviations
Machine that washes clothes
Energy Star program compares and lists energy-efficient clothes washers. Certified Energy Star units can be compared by their Modified Energy Factor (MEF)
Washing_machine
Electrical power generation from wind
wind speed by a factor of 2.1544 increases the wind power by one order of magnitude (multiply by 10). The global wind kinetic energy averaged approximately
Wind_power
Academic journal
Energy is a peer-reviewed academic journal covering research on energy engineering that was established in 1976. It is published by Elsevier (formerly
Energy_(journal)
Ratio of aggregate output to inputs
conclusion that the Solow residual as total factor productivity can be explained very well by an economy's energy input. Thus, so called technical progress
Total_factor_productivity
2025 survival video game
12 August 2024, "Dark Energy" on 4 February 2025, and, along with its full release on 22 July 2025, "Cold Fusion". Abiotic Factor received critical praise
Abiotic_Factor
Product of the Boltzmann constant and temperature
used in physics as a scale factor for energy values in molecular-scale systems (sometimes it is used as a unit of energy), as the rates and frequencies
KT_(energy)
Chance of overcoming the Coulomb barrier
Gamow factor, Sommerfeld factor or Gamow–Sommerfeld factor, named after physicists George Gamow and Arnold Sommerfeld, is a probability factor for two
Gamow_factor
Quantity in relativistic physics
The Lorentz factor or Lorentz term (also known as the gamma factor) is a dimensionless quantity expressing how much the measurements of time, length, and
Lorentz_factor
Monthly peer-reviewed scientific journal
impact factor of 8.634. It was originally established as Solar & Wind Technology in 1984, acquiring its current name in 1991. List of renewable energy journals
Renewable_Energy_(journal)
Academic journal
Renewable and Sustainable Energy Reviews is a monthly peer-reviewed scientific journal covering research on sustainable energy. It is published by Elsevier
Renewable and Sustainable Energy Reviews
Renewable_and_Sustainable_Energy_Reviews
Academic journal
the Journal Citation Reports, the journal has a 2021 impact factor of 4.937. In 2024, Energy Reports retracted two articles by Nicholas Zafetti for authorship
Energy_Reports
Academic journal
According to the Journal Citation Reports, Solar Energy Materials and Solar Cells has a 2020 impact factor of 7.267. A paper titled "Ageing effects of perovskite
Solar Energy Materials and Solar Cells
Solar_Energy_Materials_and_Solar_Cells
Marvel Comics fictional character
bodyguard, known only as Guido. He joined X-Factor in X-Factor #71, and was first called Strong Guy in X-Factor #72. Guido's struggles with picking a codename
Strong_Guy
Measure of loss-rate of energy of a mode of oscillation in a dissipative system
In physics, the dissipation factor (DF) is a measure of loss-rate of energy of a mode of oscillation (mechanical, electrical, or electromechanical) in
Dissipation_factor
Fields giving rise to fermionic particles
. For the electron, a spin 1/2 particle, s = +1/2 or s = −1/2. The energy factor is the result of having a Lorentz invariant integration measure. In
Fermionic_field
Formula for temperature dependence of rates of chemical reactions
activation energy and temperature range. The exp ( − E a R T ) {\textstyle \exp {\left({\frac {-E_{\mathrm {a} }}{RT}}\right)}} factor denotes the
Arrhenius_equation
Voluntary computer power supply certification program
promote efficient energy use in computer power supply units (PSUs). Certification is acquirable for products that have more than 80% energy efficiency at
80_Plus
Mathematical operator in calculus
The diversity factor provides a correction factor to use, resulting in a lower total power load for the ten AC units. If the energy balance done for
Diversity_factor
Measure of the heating efficiency of air source heat pumps
unit conversion above, its energy efficiency or energy multiplier is 1. Dividing the HPSF rating by the 3.41 conversion factor (or multiplying by 0.293)
Heating seasonal performance factor
Heating_seasonal_performance_factor
Class of units of measurement for explosive energy
convention for expressing energy, typically used to describe the energy released in an explosion. A ton of TNT equivalent is a unit of energy defined by convention
TNT_equivalent
Mutant comic book character
vibranium suit, possesses an enhanced healing factor, and wields a corrosive that hinders a foe's healing factor. After sending Maverick on a few simple missions
David_North_(character)
Probability that a high-energy neutron is not captured
probability of absorption, but for some energies, called resonance energies, the resonance factor is very high. These energies depend on the properties of heavy
Resonance_escape_probability
Personality model consisting of five broad dimensions
psychology and psychometrics, the Big Five personality trait model or five-factor model (FFM), sometimes called by the mnemonic acronym OCEAN or CANOE, is
Big_Five_personality_traits
Fictional character from Marvel Comics
#269 X-Factor #69 Uncanny X-Men #278-280 X-Factor #70 X-Factor #71 X-Factor #87 X-Factor #94 X-Factor #95 X-Factor #104-105 X-Factor #118 X-Factor #114
Polaris_(Marvel_Comics)
Supervillain appearing in Marvel Comics
the world's first mutants, and was a principal villain for the original X-Factor team and later the X-Men and related spin-off teams. Created by writer Louise
Apocalypse_(character)
Topics referred to by the same term
system for filing U.S. income taxes Modified Energy Factor (Energy Star Rating Value, US Department of Energy (DOE)) Mouse embryonic fibroblast Museo Paleontológico
MEF
Academic journal
to the Journal Citation Reports, the journal has a 2023 impact factor of 18.9. "Energy Storage Materials". MIAR: Information Matrix for the Analysis of
Energy_Storage_Materials
Equation in fluid dynamics
dimensionless friction factor, known as the Darcy friction factor. This is also variously called the Darcy–Weisbach friction factor, friction factor, resistance
Darcy–Weisbach_equation
Academic journal
journal has a 2021 impact factor of 11.446, ranking it 6 out of 143 journals in the category "Engineering, Chemical". "Applied Energy". Elsevier. "Acta Materialia"
Applied_Energy
Measure of equipment use efficiency
improving the utilization factor of a PV-grid connected system via HERIC transformerless approach". Renewable and Sustainable Energy Reviews. 73: 1061–1069
Utilization_factor
Academic journal
Energy Conversion and Management is a biweekly peer-reviewed scientific journal covering research on energy generation, utilization, conversion, storage
Energy Conversion and Management
Energy_Conversion_and_Management
Energy collected from renewable resources
renewable energy, solar and wind, are intermittent energy sources: they are not available constantly, resulting in lower capacity factors. In contrast
Renewable_energy
Physics concept expressed as E = mc²
motionless and so has no momentum, the mass and energy are equal or they differ only by a constant factor, the speed of light squared (c2). In Newtonian
Mass–energy_equivalence
household's inability to afford energy costs as one of several factors in a household's ability to meet energy needs. Household energy insecurity is influenced
Household_energy_insecurity
Academic journal
International Journal of Hydrogen Energy is a peer-reviewed scientific journal covering all aspects of hydrogen energy, including hydrogen generation and
International Journal of Hydrogen Energy
International_Journal_of_Hydrogen_Energy
Power in alternating current systems
power factor correction circuit at the input would generally reduce the harmonic currents further and maintain the power factor closer to unity. Energy portal
AC_power
Average power divided by peak power
measure of the utilization rate, or efficiency of electrical energy usage; a high load factor indicates that load is using the electric system more efficiently
Load_factor_(electrical)
Statistics concept
F = 1 {\displaystyle F=1} . In particle detectors, the Fano factor results from the energy loss in a collision not being purely statistical. The process
Fano_factor
Measure of lifetime average net present cost of electricity generation
Full System Costs of Electricity (LFSCOE) metrics, which factor in the cost of required grid energy storage or redundant dispatchable power plants for balancing
Levelized_cost_of_electricity
Mathematical ratio relevant to climbing safety
length (L) available to absorb the energy of the fall, f = h L . {\displaystyle f={\frac {h}{L}}.} It is the main factor determining the violence of the
Fall_factor
Relativistic equation relating total energy to mass and momentum
{1+\left({\frac {p}{mc}}\right)^{2}}}\,.} Inserting this form of the Lorentz factor into the energy equation gives E = m c 2 1 + ( p m c ) 2 . {\displaystyle E=mc^{2}{\sqrt
Energy–momentum_relation
Operator in quantum mechanics
=i\hbar {\frac {\partial \Psi }{\partial t}},} where the energy factor E is a scalar value, the energy the particle has and the value that is measured. The
Energy_operator
Increase in distance between parts of the universe
maintaining a constant energy density. Similarly to inflation, dark energy drives accelerated expansion, such that the scale factor grows exponentially in
Expansion_of_the_universe
G-factor for electron with spin and orbital angular momentum
1921. In atomic physics, the Landé g-factor is a multiplicative term appearing in the expression for the energy levels of an atom in a weak magnetic field
Landé_g-factor
Academic journal
2024 impact factor of 731. "Web of Science Master Journal List". Intellectual Property & Science. Clarivate. Retrieved 2023-11-26. "Energy and Buildings"
Energy_and_Buildings
the anelastic attenuation factor or seismic quality factor, often expressed as the Q factor (where higher Q means less energy loss), measures how seismic
Anelastic_attenuation_factor
Academic journal
Advanced Energy Materials is a peer-reviewed scientific journal covering energy-related research, including photovoltaics, batteries, supercapacitors,
Advanced_Energy_Materials
Ratio of energy extracted from sunlight in solar cells
adaptation of its space cell to the terrestrial solar spectrum. The factors affecting energy conversion efficiency were expounded in a landmark paper by William
Solar-cell_efficiency
Units defined only by physical constants
time, energy and other units that are similar in magnitude to corresponding Planck units. This region may be characterized by particle energies of around
Planck_units
Topics referred to by the same term
Hungarian diver certification organization Unified Emulator Format Uniform energy factor for water heaters Union of European Federalists United Earth Federation
UEF
Unit of energy
The therm (symbol, thm) is a non-SI unit of heat energy equal to 100,000 British thermal units (BTU), and approximately 105 megajoules, 29.3 kilowatt-hours
Therm
Probability distribution of energy states of a system
lower energy will always have a higher probability of being occupied. The ratio of probabilities of two states is known as the Boltzmann factor and only
Boltzmann_distribution
Machine that washes dishes automatically
dishwasher is defined using the energy factor. The current energy usage criteria for dishwashers, to achieve Energy Star certification, are ≤ 270 kWh/year
Dishwasher
Sugar alcohol used as a sweetener
a25_413.pub3. ISBN 978-3-527-30385-4. Application A537 – Reduction in the energy factor assigned to Maltitol: Final Assessment Report (PDF), Food Standards
Maltitol
Scientific journal
impact factor of 3.004. "About Energies". MDPI-Energies. Retrieved 22 June 2021. "Special Issues". MDPI-Energies. Retrieved 22 June 2021. "Energies". MIAR:
Energies_(journal)
Academic journal
Energy & Environmental Science, also known as EES, is a monthly peer-reviewed scientific journal publishing original (primary) research and review articles
Energy & Environmental Science
Energy_&_Environmental_Science
Kinetic energy of a bullet
Muzzle energy is the kinetic energy of a bullet as it is expelled from the muzzle of a firearm. Without consideration of factors such as aerodynamics
Muzzle_energy
Measure of power plant productivity
their natural supply of energy ceases, requires a more careful distinction between the availability factor and the capacity factor. By convention, such zero
Availability_factor
{\displaystyle f} = Fanning friction factor ∑ i e v , i {\displaystyle \sum _{i}e_{v,i}} = Sum of all kinetic energy factors in system Once calculated, the
Minor_losses_in_pipe_flow
Academic journal
Reports, the journal has a 2020 impact factor of 7.042. The Energy Journal Resource and Energy Economics "Journal of Energy Finance & Development". ScienceDirect
Energy_Economics_(journal)
Academic journal
the Journal Citation Reports, the journal has a 2022 impact factor of 6.4. ACS Applied Energy Materials publishes letters, articles, reviews, spotlight
ACS_Applied_Energy_Materials
27th episode of the 1st season of Star Trek: The Original Series
"The Alternative Factor" is the twenty-seventh episode of the first season of the American science fiction television series Star Trek. Written by Don
The_Alternative_Factor
When one nuclear reaction causes more
absorbed by a non-multiplying material before it reaches thermal energy. The bounds of this factor are 0 and 1, with a value of 1 describing a system for which
Nuclear_chain_reaction
Academic journal
Journal Citation Reports, the journal has a 2012 impact factor of 1.495. Resource and Energy Economics publishes theoretical and empirical research in
Resource_and_Energy_Economics
Topics referred to by the same term
5-furandicarboxylate, a bioplastic material Preferred Executable Format Primary energy factor Princeton Evangelical Fellowship, a Christian campus ministry at Princeton
PEF
In energy monitoring and targeting, a driving factor is something recurrent and measurable whose variation explains variation in energy consumption. The
Driving_factors
Measure of the scattering amplitude of a wave by an isolated atom
atomic form factor, or atomic scattering factor, is a measure of the scattering amplitude of a wave by an isolated atom. The atomic form factor depends on
Atomic_form_factor
Academic journal
the Journal Citation Reports, the journal has a 2025 impact factor of 7.9. "Solar Energy". 2025 Journal Citation Reports (Science ed.). Clarivate. 2026
Solar_Energy_(journal)
Academic journal
Reports, the journal has a 2022 impact factor of 3.8, ranking it 75th out of 121 journals in the category "Energy & Fuels". "Master Journal List". Intellectual
Energy_Technology_(journal)
Type of energy transfer
In thermodynamics, heat is defined as energy in transfer between a body and its surroundings, other than through thermodynamic work or through transfer
Heat
Interconnected network for delivering electricity to consumers
the required service voltage. Power stations are typically built close to energy sources and far from densely populated areas. Electrical grids vary in size
Electrical_grid
Electricity generation by nuclear fusion
United States is the only laboratory to have demonstrated a fusion energy gain factor above one, but efficiencies orders of magnitude higher are required
Fusion_power
Power generated from nuclear reactions
1980s. Increased capacity factor in existing reactors was primarily responsible for the continuing increase in electrical energy produced during this period
Nuclear_power
Academic journal
Reports, the journal has a 2021 impact factor of 67.439, ranking it 1st out of 119 journals in the category "Energy & Fuels" and 2nd out of 345 journals
Nature_Energy
multiplied by a conversion factor to equate them with sources that use a heat engine. The United States was the second-largest energy producer and consumer
Energy_in_the_United_States
Absorbed dose of ionizing radiation weighted with the quality factor
the radiation weighting factor WR which is dependent on the type and energy of the radiation R. The radiation weighting factor represents the relative
Equivalent_dose
Academic journal
has a 2013 impact factor of 1.020. Annals of Nuclear Energy is derived from the following former titles: Journal of Nuclear Energy (1954-1959) Journal
Annals_of_Nuclear_Energy
Energy form not subjected to any human conversion process
primary energy provides a more complete picture of energy consumption, it cannot be measured directly and must be calculated using conversion factors from
Primary_energy
Academic journal
Citation Reports, the journal has a 2021 impact factor of 2.461. "Editorial Board". Progress in Nuclear Energy. Elsevier. Retrieved 2016-07-20. "CAS Source
Progress_in_Nuclear_Energy
Topics referred to by the same term
structure Load factor (electrical), the average power divided by the peak power over a period of time Capacity factor, the ratio of actual energy output to
Load_factor
Formula made to approximate a bullet's stopping power
describing the Taylor KO Factor as "knock out value" or "strike energy" in his African rifles and cartridges, Taylor wrote that muzzle energy is "surely the most
Taylor_knock-out_factor
Electron penetration depth at which its energy is reduced by 1/e
energy of an electron is reduced by the factor 1/e. In materials of high atomic number (e.g. tungsten, uranium, plutonium) the electrons of energies >~10
Radiation_length
Energy driving the accelerated expansion of the universe
matter, radiation, and dark energy. Matter is anything whose energy density scales with the inverse cube of the scale factor, i.e., ρ ∝ a−3, while radiation
Dark_energy
Measure for the energy lost by ions per traversed distance
the absorbed dose. Dosimetry attempts to factor in this effect with radiation weighting factors. Linear energy transfer is closely related to stopping
Linear_energy_transfer
ENERGY FACTOR
ENERGY FACTOR
Boy/Male
Indian, Sanskrit
Life's Energy; Energy of Life
Boy/Male
Tamil
Energy
Boy/Male
Tamil
Radiant energy
Boy/Male
Bengali, Hindu, Indian, Kannada, Marathi, Telugu
Energy
Girl/Female
Indian
Energy, Enthusiasm
Girl/Female
Tamil
The energy
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi
The Energy
Male
English
English surname transferred to forename use, derived from the German personal name Emeric, EMERY means "work-power."
Boy/Male
Hindu, Indian
Energy
Boy/Male
Hindu
Energy
Girl/Female
Tamil
Energy
Boy/Male
Muslim
Liveliness. Energy.
Boy/Male
Hindu, Indian
Energy
Boy/Male
Hindu
Energy
Girl/Female
Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Sanskrit, Telugu
Energy
Boy/Male
Tamil
Energy
Boy/Male
Hindu
Radiant energy
Girl/Female
Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Telugu
Energy
Boy/Male
Tamil
Energy
Girl/Female
Tamil
Chithanya | சீதாநà¯à®¯
Energy, Enthusiasm
ENERGY FACTOR
ENERGY FACTOR
Boy/Male
Tamil
Pandurangan | பநà¯à®¤à¯à®°à®‚கந
A deity, One with pale white complexion, Lord Vishnu
Boy/Male
Arabic, French, Hindu, Indian, Muslim, Sindhi
He who Smiles a Lot; Smiling
Boy/Male
Scandinavian
Bright Finn.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Tamil
Tree of Knowledge; This is the Tree Where Buddha did Meditate and Gained Lot of Knowledge
Female
English
Variant spelling of English Faith, FAITHE means "faith."Â
Girl/Female
Greek
Daffodil.
Girl/Female
Arabic, Assamese, Bengali, Indian, Kannada, Marathi, Muslim
Dove
Girl/Female
Indian, Sanskrit
Beam of Light; Perception
Girl/Female
Danish, Hindu, Indian
Ocean
Boy/Male
Arabic, Australian
Loyal; Generous
ENERGY FACTOR
ENERGY FACTOR
ENERGY FACTOR
ENERGY FACTOR
ENERGY FACTOR
a.
Having no energy; sluggish.
v. t.
To apply with energy.
a.
Of godlike energy; inspired.
a. & a. pron.
Every one. Cf.
n.
The act of entering or passing into or upon; entrance; ingress; hence, beginnings or first attempts; as, the entry of a person into a house or city; the entry of a river into the sea; the entry of air into the blood; an entry upon an undertaking.
superl.
Having nervous energy; forceful; cogent.
n.
the combined healthy action of every organ of a particular system; as, the digestive synergy.
n.
Animation; spirit; vivacity; vigor; energy.
n.
energy; pep.
v. t.
Briskness; vigor; energy; decision.
n.
Capacity for performing work.
n.
Want of vigor or energy.
adv.
Without energy.
n.
Internal or inherent power; capacity of acting, operating, or producing an effect, whether exerted or not; as, men possessing energies may suffer them to lie inactive.
v. i.
To rise out of a fluid; to come forth from that in which anything has been plunged, enveloped, or concealed; to issue and appear; as, to emerge from the water or the ocean; the sun emerges from behind the moon in an eclipse; to emerge from poverty or obscurity.
n.
Strength of expression; force of utterance; power to impress the mind and arouse the feelings; life; spirit; -- said of speech, language, words, style; as, a style full of energy.
pl.
of Energy
n.
The privilege or benefit of clergy.
n.
One hostile to another; one who hates, and desires or attempts the injury of, another; a foe; an adversary; as, an enemy of or to a person; an enemy to truth, or to falsehood.
n.
Power efficiently and forcibly exerted; vigorous or effectual operation; as, the energy of a magistrate.