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Condition caused by excessive exposure to high temperatures
include drinking sufficient fluids and avoiding excessive heat. Treatment is by rapid physical cooling of the body and supportive care. Recommended methods
Heat_stroke
System that transfers heat from one space to another
power to transfer heat by compression. Specifically, it transfers thermal energy by means of a heat pump and refrigeration cycle, cooling one space and warming
Heat_pump
Applies an electric current to heat or cool materials
Thermoelectric heat pumps use the thermoelectric effect, specifically the Peltier effect, to heat or cool materials by applying an electrical current across
Thermoelectric_heat_pump
Substance used to reduce or regulate the temperature of a system
liquid or gaseous, or undergo a phase transition, with the latent heat adding to the cooling efficiency. The latter, when used to achieve below-ambient temperature
Coolant
Process of removing waste heat from a computer
Computer cooling is required to remove the waste heat produced by computer hardware to keep components within permissible operating temperature limits
Computer_cooling
Device which rejects waste heat to the atmosphere through the cooling of a water stream
A cooling tower is a device that rejects waste heat to the atmosphere through the cooling of a coolant stream, usually a water stream, to a lower temperature
Cooling_tower
Building design approach
Passive cooling is a building design approach that focuses on heat gain control and heat dissipation in a building in order to improve the indoor thermal
Passive_cooling
System for condensing gas into liquid by cooling
heat transfer, a condenser is a heat exchanger used to condense a gaseous substance into a liquid state through cooling. In doing so, the latent heat
Condenser_(heat_transfer)
1959 studio album by Anita O'Day
Cool Heat, subtitled Anita O'Day Sings Jimmy Giuffre Arrangements, is an album by vocalist Anita O'Day backed by an orchestra arranged and conducted by
Cool_Heat
Equipment used to transfer heat between fluids
A heat exchanger is a system used to transfer heat between a source and a working fluid. Heat exchangers are used in both cooling and heating processes
Heat_exchanger
Situation where cities are warmer than surrounding areas
local environment. Heat can be reduced by tree cover and green space, which act as sources of shade and promote evaporative cooling. Other options include
Urban_heat_island
Passive heat exchanger that transfers heat
device's temperature. In computers, heat sinks are used to cool CPUs, GPUs, and some chipsets and RAM modules. Heat sinks are used with other high-power
Heat_sink
Temperature control system
desired setpoint. Thermostats are used in any device or system that heats or cools to a setpoint temperature. Examples include building heating, central
Thermostat
jazz, jazz funk, and jazz fusion. Flashpoint released its debut album, "Cool Heat", in 2001 and is currently working on its second. Flashpoint's music is
Flashpoint_(band)
American songwriter and record producer
reissued in 1970 with "Are You Nuts?" on the B-side, and credited to Cool Heat charted in the U.S. peaking at No. 89 on the Billboard Hot 100. Laguna
Kenny_Laguna
Method of heat removal from components and industrial equipment
Water cooling is a method of heat removal from components and industrial equipment. Evaporative cooling using water is often more efficient than air cooling
Water_cooling
System to transfer heat to/from the ground
A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a heat pump to transfer heat to or from the ground
Ground_source_heat_pump
Cooling of air in an enclosed space
conditioning (HVAC). Heat pumps are similar in many ways to air conditioners but use a reversing valve, allowing them to both heat and cool an enclosed space
Air_conditioning
Underground heat exchanger loop that can capture or dissipate heat to or from the ground
warm or cool air or other fluids for residential, agricultural or industrial uses. If building air is blown through the heat exchanger for heat recovery
Ground-coupled_heat_exchanger
Device that cools air through the evaporation of water
refrigeration cycles. Evaporative cooling exploits the fact that water will absorb a relatively large amount of heat in order to evaporate (that is, it
Evaporative_cooler
Delivery of chilled water to building needing cooling
extracting the heat from the buildings it served. Contact between drinking water and the Enwave cooling system is restricted to thermal contact in a heat exchanger
District_cooling
Heat-related illness caused by the loss of water and electrolytes through sweating
Heat exhaustion is a heat-related illness characterized by the body's inability to effectively cool itself, typically occurring in high ambient temperatures
Heat_exhaustion
Type of heat exchanger that uses ambient air as the cooling medium
air-cooled heat exchanger (ACHE), also known as an air cooler, fin-fan cooler, or air fin cooler, is a type of heat exchanger that rejects heat from
Air_cooled_heat_exchanger
Process by which heat is transferred within an object
simple thermal capacitance consisting of its aggregate heat capacity. Such regions warm or cool, but show no significant temperature variation across their
Thermal_conduction
Heat-transfer device that employs phase transition
That cooling system was the first to use variable-conductance heat pipes to actively regulate heat flow or evaporator temperature. NASA tested heat pipes
Heat_pipe
Thermal engineering discipline concerning transfer of heat in physical systems
this heat level. Doppler cooling is the most common method of laser cooling. Sympathetic cooling is a process in which particles of one type cool particles
Heat_transfer
Technology of indoor and vehicular environmental comfort
energy sources such as solar heat, winter's cold, the cooling potential in some places of lakes or seawater for free cooling, and the enabling function
Heating, ventilation, and air conditioning
Heating,_ventilation,_and_air_conditioning
Category of HVAC technologies
and cooling is a category of HVAC technologies that exchange heat by both convection and radiation with the environments they are designed to heat or cool
Radiant_heating_and_cooling
Method of reusing thermal energy in a building
temperatures. It is used to reduce the heating and cooling demands of buildings. By recovering the residual heat in the exhaust gas, the fresh air introduced
Heat_recovery_ventilation
Management strategy for global warming
radiative cooling (PDRC)—also called passive radiative cooling, daytime passive radiative cooling, radiative sky cooling, photonic radiative cooling, and terrestrial
Passive daytime radiative cooling
Passive_daytime_radiative_cooling
Heat exchangers used for cooling internal combustion engines
Radiators are heat exchangers used for cooling internal combustion engines, mainly in automobiles but also in piston-engined aircraft, railway locomotives
Radiator_(engine_cooling)
Mathematical models of heat pumps and refrigeration
conditioner requires work to cool a living space, moving heat from the interior being cooled (the heat source) to the outdoors (the heat sink). Similarly, a refrigerator
Heat pump and refrigeration cycle
Heat_pump_and_refrigeration_cycle
Temperature control on the London Underground
network advising that passengers carry a bottle of water to help keep cool. The heat in the tunnels is largely generated by the trains, with a small amount
London_Underground_cooling
Temperature index that accounts for the effects of humidity
The heat index (HI) is a measure of temperature as perceived by humans, combining actual air temperature and relative humidity, in shaded areas; it takes
Heat_index
Method of dissipating heat directly into the atmosphere
Air cooling is a method of dissipating heat. It works by expanding the surface area or increasing the flow of air over the object to be cooled, or both
Air_cooling
Method of heat exchange in which convection drives pumpless circulation
circulation of liquids and volatile gases in heating and cooling applications such as heat pumps, water heaters, boilers and furnaces. Thermosiphoning
Thermosiphon
Loss of heat by thermal radiation
In the study of heat transfer, radiative cooling is the process by which a body loses heat by thermal radiation. As Planck's law describes, every physical
Radiative_cooling
Most common type of heat pump
which releases the heat to the building. These devices can also operate in a cooling mode where they extract heat via the internal heat exchanger and eject
Air_source_heat_pump
Process of heating something to alter it
normalizing and quenching. Although the term heat treatment applies only to processes where the heating and cooling are done for the specific purpose of altering
Heat_treating
Machine that removes heat from a liquid coolant
refrigeration cycles. This liquid can then be circulated through a heat exchanger to cool equipment, or another process stream (such as air or process water)
Chiller
Refrigerator that uses a heat source
refrigerator that uses a heat source to provide the energy needed to drive the cooling process. Solar energy, burning oil, waste heat from factories, and district
Absorption_refrigerator
Transfer of heat out of an object
Cooling is removal of heat, usually resulting in a lower temperature and/or phase change. Temperature lowering achieved by any other means may also be
Cooling
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
Extreme heat caused by a stationary high-pressure system
The 2021 Northwest heat dome was formed in this way, as a stagnant high-pressure system intensified local temperatures, blocked cooling maritime breezes
Heat_dome
Flame with temperature below about 400 °C
flame, the reaction is not vigorous and releases little heat, light, or carbon dioxide. Cool flames are difficult to observe and are uncommon in everyday
Cool_flame
Device that tends to equalize temperature over its surface
A heat spreader transfers energy as heat from a hotter source to a colder heat sink or heat exchanger. There are two thermodynamic types, passive and
Heat_spreader
Use of a heat exchanger to recover energy and reuse heat from drain water
Water heat recycling (also known as drain water heat recovery, waste water heat recovery, greywater heat recovery, or sometimes shower water heat recovery)
Water_heat_recycling
Type of nuclear reactor cooled by heat pipes
A heat pipe-cooled reactor (HPR) is a type of nuclear reactor cooled by heat pipes. Using passive heat pipes instead of a pumped nuclear coolant eliminates
Heat_pipe-cooled_reactor
Reflective road surface
Cool pavement is defined by the United States Environmental Protection Agency as pavement that implements technologies contributing to heat island effect
Cool_pavement
Waste-heat-removal system
engine cooling uses either air or liquid to remove the waste heat from an internal combustion engine. For small or special purpose engines, cooling using
Internal combustion engine cooling
Internal_combustion_engine_cooling
Cooling system that uses solar power
efficiently cool in the summer, and also heat domestic hot water and buildings in the winter. Single, double or triple iterative absorption cooling cycles
Solar_air_conditioning
Thermodynamic phase transition energy
Latent heat (also known as latent energy or heat of transformation) is energy released or absorbed, by a body or a thermodynamic system, during a constant-temperature
Latent_heat
Simultaneous generation of electricity and useful heat
for cooling. The supply of high-temperature heat first drives a gas or steam turbine-powered generator. The resulting low-temperature waste heat is then
Cogeneration
Minimization of heat transfer
therefore the cost and environmental impact. Space heating and cooling systems distribute heat throughout buildings by means of pipes or ductwork. Insulating
Thermal_insulation
Heat transfer due to the movement of fluid
the process as heat gradients are dissipated. Convection-cooling is sometimes loosely assumed to be described by Newton's law of cooling. Newton's law
Convection_(heat_transfer)
Form of central heating and cooling
multi-room system, avoiding any wasted heat. Electrical resistance can only be used for heating; when space cooling is also required, hydronic systems must
Underfloor_heating
Air cooling method
aquifers or rivers, which is pumped through the one side of a heat exchanger, which cools warm water on the other side of the exchanger. Fresh water is
Deep_water_source_cooling
Physical law relating heat loss to temperature difference
In the study of heat transfer, Newton's law of cooling is a physical law which states that the rate of heat loss of a body is directly proportional (i
Newton's_law_of_cooling
Centralized heat distribution system
solar thermal energy (central solar heating), large scale heat pumps, waste heat from cooling purposes and data centers and other sustainable energy sources
District_heating
Using low external air temperatures to chill water
method. A heat exchanger will transfer heat directly from the chilled water loop to the cooling tower loop. The exchanger keeps the cooling tower water
Free_cooling
Architectural element for creating a draft
Windcatchers can thus cool by drawing air over night- or winter-cooled materials, which act as heat reservoirs. Windcatchers that cool by drawing air over
Windcatcher
Possible fate of the universe
universe will continue expanding forever, and a heat death is expected to occur, with the universe cooling to approach equilibrium at a very low temperature
Heat_death_of_the_universe
IT cooling practice
Immersion cooling is a method where electronic parts or whole servers are put into a special, electrically safe liquid for cooling. The liquid removes heat much
Immersion_cooling
Process in which electrical energy is converted to heat
element heats the air in contact with it by thermal conduction. Hot air is less dense than cool air, so it rises due to buoyancy, allowing more cool air to
Electric_heating
Form of climate engineering
passive daytime radiative cooling (PDRC) in that they are both ground-based. Yet, PDRC focuses on "increasing the radiative heat emission from the Earth
Reflective surfaces (climate engineering)
Reflective_surfaces_(climate_engineering)
Energy recovery heat exchanger
Waste heat may be extracted from sources such as hot flue gases from a diesel generator, steam from cooling towers, or even waste water from cooling processes
Waste_heat_recovery_unit
Heat exchanger used to cool a gas after compression
An intercooler is a heat exchanger used to cool a gas after compression. Often found in turbocharged engines, intercoolers are also used in air compressors
Intercooler
Type of domestic heating
with a heat pump. A heat pump can be used to cool or heat a house. The heat pump transfers heat by transmitting of R-410A refrigerant. Hybrid heat works
Hybrid_heat
Liquid additive
commercialized in the 1920s. Most automotive engines are "water"-cooled to remove waste heat, though the "water" used is actually a mixture of water and antifreeze
Antifreeze
Elevated body temperature due to failed thermoregulation
to cool because, in addition to the heat, humidity of the environment may reduce the efficiency of the body's normal cooling mechanisms. Human heat-loss
Hyperthermia
Type of heat exchanger; radiant body through water or other liquids
A radiator is a heat exchanger used to transfer thermal energy from one medium to another for the purpose of cooling and heating. The majority of radiators
Radiator
Machine used to produce air flow
fans are effective at cooling people, they do not cool air. Instead, they work by evaporative cooling of sweat and increased heat convection into the surrounding
Fan_(machine)
Type of heating device
convector heater, is a type of heater that utilizes convection currents to heat and circulate air. These currents move through the appliance and across its
Convection_heater
Regulation of the temperature of electronic circuitry to prevent inefficiency or failure
several techniques for cooling including various styles of heat sinks, thermoelectric coolers, forced air systems and fans, heat pipes, and others. In
Thermal management (electronics)
Thermal_management_(electronics)
Fluid used as an intermediary in a cooling or heating process
thermodynamics, a heat transfer fluid (HTF) is a gas or liquid that takes part in heat transfer by serving as an intermediary in cooling on one side of a
Heat-transfer_fluid
Air conditioning system that allows for individual control of spaces
degrees of cooling in more specific areas (because there are no large air handlers, only smaller indoor units), may supply hot water in a heat recovery
Variable_refrigerant_flow
British rock music group
Bloe" was reissued in the U.S. in August 1970, credited to the band Cool Heat. It reached number 89 on the Billboard Hot 100. "Groovin' with Mr. Bloe"
Mr._Bloe
Device used for heating buildings
capture of latent heat from the exhaust gases in the secondary heat exchanger. The secondary heat exchanger removes most of the heat energy from the exhaust
Furnace_(central_heating)
Cooling system used in data centers
Close-coupled cooling is an advanced cooling system particularly used in data centers. The goal of close-coupled cooling is to bring heat transfer as close
Close-coupled_cooling
Process of moving heat from one location to another in controlled conditions
refrigerators, industrial freezers, cryogenics, and cool store air conditioning. Heat pumps may make use of the heat output of the refrigeration process (such as
Refrigeration
Fluid used to maximize thermal contact
of the CPU case and a heat sink for cooling. Thermal paste is sometimes also used between the CPU die and its integrated heat spreader, though solder
Thermal_paste
Technique for cooling gases
Regenerative cooling is a method of cooling gases in which compressed gas is cooled by allowing it to expand and thereby take heat from the surroundings
Regenerative_cooling
Temperature read by a thermometer covered in water-soaked cloth
combines humidity and temperature to better reflect heat stress on humans, as the body's ability to cool itself through sweating is reduced at higher humidity
Wet-bulb_temperature
Cooling methods that expend energy to cool a system or component
Active cooling is a heat-reducing mechanism that is typically implemented in electronic devices and indoor buildings to ensure proper heat transfer and
Active_cooling
Heat produced as a byproduct of doing work
transformed into heat and requires cooling systems. Humans, like all animals, produce heat as a result of metabolism. In warm conditions, this heat exceeds a
Waste_heat
Rate of air temperature movement
Cooling load is the rate at which sensible and latent heat must be removed from the space to maintain a constant space dry-bulb air temperature and humidity
Cooling_load
Heating of air in buildings or vehicles
direct link to greenhouse-based gas emissions. Heat pumps can be used for heating and cooling, transferring heat using refrigerant and electricity, making
Heating_system
Ventilation using solar energy
more surface area than a flat ceiling would, acting as a heat sink, again providing summer cooling. Research based on actual performance measurements of
Solar_chimney
Type of heating system
one main source of heat. A central heating system has a furnace that converts fuel or electricity to heat through processes. The heat is circulated through
Central_heating
Use of engine oil as a coolant
Oil cooling is the use of engine oil as a coolant, typically to remove surplus heat from an internal combustion engine. The hot engine transfers heat to
Oil_cooling
American singer
Records executives to allow her to record another LP. The 1959 album, Cool Heat, consists entirely of American standards. Ethel sings a mix of ballads
Ethel_Azama
Wall-mounted air conditioning system
buildings). PTACs are mostly used to cool individual living spaces, there are units which offer resistance heating and/or heat pumps. (The latter are more properly
Packaged terminal air conditioner
Packaged_terminal_air_conditioner
Refrigeration process
as the medium which absorbs and removes heat from the space to be cooled and subsequently rejects that heat elsewhere. Figure 1 depicts a typical, single-stage
Vapor-compression refrigeration
Vapor-compression_refrigeration
increasing friction in the duct. deep lake water cooling The heat is rejected to deep lake regions to cool homes and offices, reducing the energy costs.
Glossary_of_HVAC_terms
Device which reduces humidity
passes into a crossflow plate heat exchanger (B) where a substantial proportion of the sensible heat is transferred to a cool supply air stream. This process
Dehumidifier
Concept in architectural and engineering practice
heat, light, and noise transfer. The building envelope or enclosure is all of the elements of the outer shell that maintain a dry, heated, or cooled indoor
Building_envelope
System to cool the air in a vehicle
relying on refrigerative systems to cool the interior. To cool the air it used latent heat (in other words, cooling by water evaporation). Water inside
Automotive_air_conditioning
Heat treatment that alters the properties of a material
heating rate and cooling rate. Hot working or cold working after the annealing process alters the metal structure, so further heat treatments may be
Annealing_(materials_science)
Use of liquid or gaseous water in heating or cooling systems
or a water solution (usually glycol with water) as a heat-transfer medium in heating and cooling systems. The name differentiates such systems from oil
Hydronics
Physics of heat, work, and temperature
Thermodynamics is a branch of physics that deals with heat, work, and temperature, and their relation to energy, entropy, and the physical properties of
Thermodynamics
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