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HEAT GENERATING [30 records]

Record 1 2024-08-28

English

Subject field(s)
  • Renewable Energy
  • Heat (Physics)
CONT

Thermo-osmotic energy conversion(TOEC) is an emerging process that efficiently extracts energy from low-grade heat sources. By utilizing a temperature gradient, TOEC induces a partial vapor pressure difference across a hydrophobic membrane. This pressure gradient drives the vapor from the hot feed side through the membrane's pores to the cold permeate side. The movement of water from the hot feed side to the permeate side of the membrane results in excess fluid in the cold reservoir, generating a pressurized flow that can be harnessed to drive a turbine and generate electricity.

French

Domaine(s)
  • Énergies renouvelables
  • Chaleur (Physique)

Spanish

Save record 1

Record 2 2017-08-22

English

Subject field(s)
  • Water Heaters and Softeners (Household)
  • Small Household Appliances
  • Restaurant Equipment
CONT

A coffee machine that comes with a thermoblock system has only one built-in boiler. As such, these machines can’t simultaneously brew coffee and steam or froth milk. They utilize only one system for generating heat and pressure.

French

Domaine(s)
  • Chauffe-eau et adoucisseurs d'eau
  • Petits appareils ménagers
  • Équipement (Restaurants)

Spanish

Campo(s) temático(s)
  • Calentadores y suavizadores de agua
  • Aparatos domésticos pequeños
  • Equipo para restaurantes
Save record 2

Record 3 2017-04-19

English

Subject field(s)
  • Technical Textiles
CONT

Outlast was developed for NASA and is consistently used in maier sports jackets as the material with automatic air-conditioning. Millions of microscopic PCM (phase change material) capsules store warmth during body activity and distribute them in the rest period. They thus ensure reliable temperature management and prevent large temperature fluctuations in the clothing, even when activity levels or the outside temperature vary.

OBS

When the encapsulated PCM [phase change material] is heated to the melting point, it absorbs heat energy as it goes from a solid state to a liquid state. This phase change produces a temporary cooling effect in the clothing layers... The heat energy may come from the body(e. g. when the wearer first dons the garment) or from a warm environment. Once the PCM has completely melted, the storage of heat stops. If the PCM garment is worn in a cold environment where the temperature is below the PCM's freezing point, and the fabric temperature drops below this transition temperature, the micro-encapsulated liquid PCM will change back to a solid state, generating heat energy and a temporary warming effect... The developers claim that this heat exchange produces a buffering effect in clothing, minimizing changes in skin temperature and prolonging the thermal comfort of the wearer.

Key term(s)
  • phase change micro capsule

French

Domaine(s)
  • Textiles techniques
DEF

Capsule [dont la taille varie d'un à plusieurs centaines de microns] absorbant l'excès de chaleur [donc d'énergie] et la conservant jusqu'à ce que la température extérieure baisse [entraînant la fonte de la paraffine contenue dans la capsule et le dégagement de] la chaleur stockée.

OBS

Les micro-capsules intégrées au cœur de la fibre ou dans les fils [...] sont remplies d'hydrocarbures paraffiniques dont l'état change en fonction de la température du corps passant de l'état solide à l'état liquide. Ultra sensibles, les PCM ou «phase change materials» (matériaux à changement de phase) se liquéfient à + ou - 30° et se solidifient en dessous. C'est en redevenant solides que les PCM libèrent la chaleur corporelle stockée dans les micro-capsules.

OBS

Procédé Outlast «Thermal Regulating System», développé pour l'U.S. Air Force et la Nasa en 1988, puis breveté en 1990.

Spanish

Save record 3

Record 4 2015-02-19

English

Subject field(s)
  • Nuclear Power Stations
  • Heat (Physics)
CONT

Conjugate Heat Transfer and Thermoelastic Analysis of Heat-Generating Rods.... The work reported here stems from a continuing research program on the coupled thermal-hydraulic-structural analysis of reactor fuel elements, particularly of rod-cluster type in single phase flow.

French

Domaine(s)
  • Centrales nucléaires
  • Chaleur (Physique)
DEF

Qui produit de la chaleur.

CONT

L'industrialisation des [réacteurs à haute température] est encore soumise à de nombreux aléas. Cependant, leur utilisation, non pas en tant que réacteurs électrogènes, mais plutôt en réacteurs calogènes en ferait des auxiliaires privilégiés de l'industrie chimique de demain.

Spanish

Save record 4

Record 5 2014-12-12

English

Subject field(s)
  • Joints and Connections (Construction)
CONT

Heat seaming: The process of joining two or more thermoplastic films of sheets by heating areas in contact with each other to the temperature at which fusion occurs. The process is usually aided by a controlled pressure. In dielectric seaming the heat is induced within films by means of ratio-frequency waves.

CONT

Dielectric bonding is used only for factory seams. An ac current is used at a frequency of approximately 27 MHz, which excites the polymer molecules, creating friction and thereby generating heat. This melts the polymer and when followed by pressure a seam results.

French

Domaine(s)
  • Joints et assemblages (Construction)
OBS

Il existe divers modes d'assemblage des géotextiles dont le choix dépend de la nature de l'ouvrage, des fonctions que doit remplir le géotextile et éventuellement des conditions de mise en œuvre. L'assemblage par recouvrement est le plus facile à réaliser et le plus courant [...] L'assemblage par couture est le plus fiable [...] Il existe également d'autres modes d'assemblage (par soudure, collage, etc.) dont l'emploi est toutefois peu fréquent.

OBS

Le chauffage diélectrique est largement employé dans l'industrie du bois, pour le chauffage des matières plastiques avant de les mouler et des colles thermodurcissables pour le séchage accéléré du caoutchouc spongieux.

Spanish

Save record 5

Record 6 2011-11-15

English

Subject field(s)
  • Chemistry
CONT

Cogeneration operates on a very basic principle :Generating electricity produces heat; cogeneration equipment captures that heat and uses it to supply hot water, steam, space heating-even cooling. Thus, an otherwise byproduct of electricity generation becomes a highly useful commodity.

French

Domaine(s)
  • Chimie
CONT

Les équipements de cogénération sont destinés à produire dans un site unique (essentiellement dans l'industrie chimique) plusieurs formes d'énergie : électrique, mécanique, calorifique; pour ce faire, on récupère la chaleur perdue dans les gaz d'échappement de turbines à gaz et des moteurs diesel, ainsi que dans les fumées de générateurs de vapeur. [...] (Science et Technologie, 03.1988, no 3, p. 7

Spanish

Save record 6

Record 7 2011-01-21

English

Subject field(s)
  • Energy Transformation
  • Solar Power Plants
  • Solar Energy
DEF

The automatic interruption of the solar radiation concentration by moving a collector from its position in order to avoid too high temperatures from the pressurized water.

CONT

[A] high-temperature defocusing means connectable to the collectors for sensing the heat generated thereby and at a given temperature generating a signal which is transmitted to one of the motion limit control circuits for causing the motor means to move the collector out of alignment with the sun's rays.

Key term(s)
  • defocussing

French

Domaine(s)
  • Transformation de l'énergie
  • Centrales solaires
  • Énergie solaire
DEF

Interruption automatique de la concentration du rayonnement solaire reçue par un capteur, par détournement de la position de ce dernier, afin d'éviter une trop grande température de l'eau pressurisée.

OBS

Les quatre premiers sont utilisés pour le démarrage et l'arrêt de la centrale, alors que le dernier est un signal d'alarme qui s'enclenche, lorsqu'au moins une condition de sécurité n'est plus respectée sur les cycles et donne l'ordre aux concentrateurs solaires de défocaliser afin d'éviter une température trop importante de l'eau pressurisée.

Spanish

Campo(s) temático(s)
  • Transformación de la energía
  • Centrales solares
  • Energía solar
Save record 7

Record 8 2010-10-12

English

Subject field(s)
  • Gas Turbines
CONT

Combined cycle gas turbine means a stationary turbine combustion system where heat from the turbine exhaust gases is recovered by a steam generating unit.

French

Domaine(s)
  • Turbines à gaz

Spanish

Campo(s) temático(s)
  • Turbinas de gas
Save record 8

Record 9 2010-07-26

English

Subject field(s)
  • Pulp Preparation (papermaking)
CONT

The SVP/R3 process generating system involves the same reaction as the R2 process. Steam is the stripping medium and the diluent for the ClO2 produced. A heat exchanger provides the heat to evaporate water and crystallize the sodium sulphate which is filtered off and sent to the recovery system. The unused acid plus residual chlorate and chloride are returned to the generator.

OBS

Promoter of the SVP Process: Hookes Chemicals and Plastics Corp., while the R-3 Process is being promoted by ERCO Industries Ltd.

Key term(s)
  • SVP/R3 process generating system
  • SVP and R-3 process

French

Domaine(s)
  • Préparation de la pâte à papier
CONT

Procédés SVP/R-3. Perfectionné à partir du procédé R-2, ce procédé [de blanchiment des pâtes] utilise la vapeur pour extraire et diluer le ClO2 produit. Un échangeur de chaleur procure l'énergie pour évaporer l'eau et cristalliser le sulfate de sodium qui est filtré et envoyé au système de récupération. L'acide, les chlorates et les chlorures résiduels sont retournés au générateur.

OBS

Promoteurs : Hookes Chemicals and Plastics Corp., (procédé SVP) et ERCO Industries Ltd (procédé R-3).

Key term(s)
  • procédé SVP/R-3
  • procédés SVP et R-3

Spanish

Save record 9

Record 10 2008-03-05

English

Subject field(s)
  • Solar Power Plants
  • Thermal Power Stations
  • Energy Transformation
DEF

A tall tower, perhaps 500 m high, positioned to collect reflected direct solar radiation from an array of heliostats ...

OBS

... the top of the tower contains the heat exchange chamber and the hot working fluid is used in a conventional electrical generating system at ground level...

French

Domaine(s)
  • Centrales solaires
  • Centrales thermiques
  • Transformation de l'énergie
DEF

Tour d'une hauteur pouvant atteindre cinq cents mètres, érigée pour capter le rayonnement solaire direct réfléchi provenant d'un miroir héliostatique.

OBS

Le sommet de la tour loge l'échangeur de chaleur et le fluide caloporteur utilisés dans un groupe électrogène coventionnel au sol.

Spanish

Campo(s) temático(s)
  • Centrales solares
  • Centrales térmicas
  • Transformación de la energía
Save record 10

Record 11 2007-08-09

English

Subject field(s)
  • Traction (Rail)
CONT

During dynamic braking, the rotors of the electric motors are allowed to rotate and produce electricity. By generating electricity, the conversion of energy provides resistance to movement that reduces the speed of the train. The converted electrical energy is then used or expelled into the atmosphere as heat. Dynamic braking is a general term used to describe the use of an electric motor as a generator to dissipate energy.

OBS

This type of braking is more precisely described by one of two terms, regenerative and rheostatic braking ... The difference between the two types of dynamic braking is what is done with the electricity after it has been produced. In regenerative braking, the electricity is either immediately reused ... or it is stored for later use. ... Rheostatic braking occurs when the electrical energy that is produced is run through resistors and dissipated as heat energy.

French

Domaine(s)
  • Traction (Chemins de fer)

Spanish

Save record 11

Record 12 2007-07-12

English

Subject field(s)
  • Heat Exchangers
CONT

The invention relates with the feed-back control system of a heat exchanger by use of the flow resonance phenomenon which maximizes the heat transfer efficiency by generating the flow disturbances of a heat transfer medium.

French

Domaine(s)
  • Échangeurs de chaleur
CONT

L'invention concerne un système de commande à rétroaction d'un échangeur de chaleur, faisant appel au phénomène de résonance de flux, qui permet d'obtenir une efficacité de transfert de chaleur maximale, par le biais de la génération de perturbations de flux d'un support de transfert de chaleur.

Spanish

Save record 12

Record 13 2003-03-21

English

Subject field(s)
  • Energy Transformation
DEF

A generating facility that produces electricity and another form of useful thermal energy(such as heat or steam) used for industrial, commercial, heating, or cooling purposes.

French

Domaine(s)
  • Transformation de l'énergie
DEF

Installation de production d'énergie qui produit de l'électricité et une autre forme d'énergie thermique utile (comme de la chaleur ou de la vapeur) utilisée à des fins industrielles ou commerciales ou à des fins de chauffage ou de refroidissement.

Spanish

Save record 13

Record 14 2002-04-12

English

Subject field(s)
  • Solar Power Plants
  • Thermal Power Stations
CONT

Solar thermal technologies use the heat in sunlight to produce hot water, heat for buildings, or electric power. Solar thermal applications range from simple residential hot water systems to multimegawatt electricity generating stations.

Key term(s)
  • solar-thermal technology

French

Domaine(s)
  • Centrales solaires
  • Centrales thermiques
CONT

Contrairement au solaire - PV, la technologie héliothermique repose principalement sur la chaleur plutôt que sur le rayonnement solaire.

Spanish

Save record 14

Record 15 2002-03-12

English

Subject field(s)
  • Textile Industries
  • Technical Textiles

French

Domaine(s)
  • Industries du textile
  • Textiles techniques

Spanish

Save record 15

Record 16 2002-01-22

English

Subject field(s)
  • Oil Production
CONT

The design of steam flood project requires clear understanding of steam properties and... It is also necessary to be able to estimate heat losses in order to calculate the capacities of needed steam generating equipment.

French

Domaine(s)
  • Production pétrolière
OBS

Les applications sur champ de l'injection de vapeur mettent généralement en jeu de la vapeur humide produite par les générateurs avec une qualité égale à 80 %.

Spanish

Save record 16

Record 17 2001-07-11

English

Subject field(s)
  • Waste Management
CONT

The lime then reacts with water, generating significant heat and enlarging the surface area of the lime so wastes such as oils are adsorbed on and microencapsulated in a calcium hydroxide.

Key term(s)
  • micro-encapsulate

French

Domaine(s)
  • Gestion des déchets
CONT

La chaleur générée par la réaction augmente la surface active de la chaux et les déchets comme les huiles sont adsorbés et micro-encapsulés dans un hydroxyde de calcium.

Spanish

Save record 17

Record 18 2001-07-11

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
  • Waste Management
CONT

The lime then reacts with water, generating significant heat and enlarging the surface area of the lime so wastes such as oils are adsorbed on and microencapsulated in a calcium hydroxide.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
  • Gestion des déchets
CONT

La chaleur générée par la réaction augmente la surface active de la chaux et les déchets comme les huiles sont adsorbés et micro-encapsulés dans un hydroxyde de calcium.

Spanish

Save record 18

Record 19 2001-03-16

English

Subject field(s)
  • Printed Circuits and Microelectronics
  • Industrial Techniques and Processes
CONT

Infrared furnaces play a vital role in semiconductor processing. IR generating in the form of radiant electric heaters, gas burners, and catalytic convertors provides precise and controllable heat.

French

Domaine(s)
  • Circuits imprimés et micro-électronique
  • Techniques industrielles

Spanish

Save record 19

Record 20 1999-06-22

English

Subject field(s)
  • Atmospheric Physics
CONT

Bang!... It's an explosion in the air caused by the earth generating heat. The clear air and the sun's ray-light are generating, then BANG! The thunder can do it too.... the hot air generated from the sun and the cool air are hitting together.... it a kind of thunder-jar, an explosion.... [a] jing-way is an outburst of air set off by the ray-light of the sun.

French

Domaine(s)
  • Physique de l'atmosphère

Spanish

Save record 20

Record 21 1996-01-04

English

Subject field(s)
  • Energy Transformation
  • Combustion and Fuels (Fireplaces)
  • Biomass Energy
CONT

Forestry Biomass Conversion Technologies .... Principal conversion technologies .... Direct Combustion. The most common method of recovering energy from wood is to simply burn the material in an excess of air and utilize the heat so produced.

CONT

Biomass-to-energy system falls to two principal categories : materials for direct combustion, that will generate heat for processing, for warming, living and working spaces, for steam and hence also for generating electricity; and materials from which both fuels and chemicals can be obtained through biochemical conversion processes.

French

Domaine(s)
  • Transformation de l'énergie
  • Combustion et combustibles (Foyers)
  • Énergie de la biomasse
CONT

La combustion directe de la matière végétale a été jusqu'au dix-huitième siècle la principale source d'énergie utilisée dans le monde. On tirait essentiellement parti du bois et de ses sous-produits (fagot) pour satisfaire des besoins domestiques (chauffage, cuisson des aliments) et industriels (chaleur, production de charbon de bois utilisé dans la métallurgie, etc...).

Spanish

Save record 21

Record 22 1995-06-30

English

Subject field(s)
  • Solar Energy
CONT

Solar salt pond generating project. A body of water that collects solar energy and stores it as thermal energy. The introduction of salt into a pond allows the density of the pond water to be controlled. A salinity gradient within the pond allows thermal storage in the dense high-salinity water near the pond bottom. The stored thermal energy is used to drive a Rankine-cycle heat engine.

CONT

Salt-gradient solar ponds operate with three distinct zones of increasing salinity from the surface to the bottom. The bottom, or storage zone, is a convective layer of near-saturated brine. The intermediate or gradient zone is a non-convective insulating layer of decreasing salinity towards the surface zone. The surface zone is a thin convective layer of fresh or slightly saline water.

French

Domaine(s)
  • Énergie solaire
DEF

Type de capteur solaire formé d'un bassin rempli de trois couches d'eau inégalement salées, les couches les plus salées étant au fond et l'eau douce en surface. La différence de densité entre les couches les empêchent de se mélanger; les pertes de chaleur s'en trouvent réduites car les couches supérieures ne sont pas convectrices.

CONT

La technologie utilisée par la turbine du type cycle de Rankine se rapproche de celle utilisée par la société Sofretes, et les sources chaudes et froides proviennent des bassins solaires à gradients thermiques inversés (concentration différente de sel dans les couches d'eau inférieures et supérieures).

Spanish

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Record 23 1992-03-31

English

Subject field(s)
  • Thermoelectricity and Thermoelectronics
CONT

In February this year, the headquarters of the Devon and Cornwall police force in Exeter switched on a generator that converts energy three times more efficiently than Britain's generating authorities do... Such machines, known as minichips(for miniature combined heat and inhouse power) could change the way we use energy. The machine at Exeter is the largest example in Britain of a plant that generates combined heat and power(CHP) for a single building. Many smaller minichip machines have car engines.

OBS

"minichip": short for Miniature Combined Heat and Inhouse Power.

OBS

acronym whose form owes much to the proliferation of the element mini-.

French

Domaine(s)
  • Thermoélectrique et thermoélectronique

Spanish

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Record 24 1991-02-28

English

Subject field(s)
  • Machinery
CONT

Closed centre-all ports are blocked off in neutral. The cylinder is "locked" and the piston will stay in position-over a period of time the piston will drift, due to minor internal leaks. The fluid from the pump will go through the relief valve at maximum pressure, generating heat and requiring maximum hp.

French

Domaine(s)
  • Machines
CONT

Centre fermé. Il bloque entièrement un récepteur en n'importe quelle position par verrouillage hydraulique sur les deux chambres. Il bloque aussi le débit de la pompe, ce qui permet son utilisation pour un autre circuit.

Spanish

Save record 24

Record 25 1988-10-19

English

Subject field(s)
  • Airborne Forces
  • Skydiving, Paragliding and Hang Gliding
DEF

The result of two textile surfaces rubbing together rapidly and generating frictional heat which reduces the tensile strength of the textile and causes deterioration of the individual threads; it occurs primarily during parachute deployment and initial inflation.

French

Domaine(s)
  • Forces aéroportées
  • Parachutisme, parapente et deltaplane
DEF

Résultat de deux surfaces en tissu frottant rapidement l'une contre l'autre et produisant ainsi une chaleur frictionnelle qui réduit la résistance du tissu à la tension et en abîme les fils; cela se produit surtout au moment du déploiement ou du gonflement initial du parachute.

Spanish

Save record 25

Record 26 1986-10-03

English

Subject field(s)
  • Refrigeration Engineering

French

Domaine(s)
  • Techniques du froid

Spanish

Save record 26

Record 27 1986-01-06

English

Subject field(s)
  • Waste Management
CONT

In Ontario, the "Watts from Waste" programme sponsored by the Ontario Ministry of Environment was established to separate combustible from non-combustible waste items for incineration in an electricity or steam-producing facility. In Metropolitan Toronto, this process permitted hybrid coal/MSW fuelling in one of the coal-fired boilers at Lakeview Generating Station. Another example is the East Hamilton solid waste reduction unit(SWARU), a large scale heat producing facility which also has the potential for cogeneration.

French

Domaine(s)
  • Gestion des déchets

Spanish

Save record 27

Record 28 1985-08-14

English

Subject field(s)
  • Heating
OBS

Heat generating equipment... of the more or less self-contained type...

OBS

forced air furnace: a furnace equipped with a fan ... for circulation of air.

French

Domaine(s)
  • Chauffage
CONT

Un générateur d'air chaud monobloc comporte une chambre de combustion, un brûleur, un échangeur, un ventilateur, un filtre et des accessoires. (...) Du générateur partent les gaines de distribution de l'air chaud aux bouches de soufflage.

Spanish

Save record 28

Record 29 1985-06-10

English

Subject field(s)
  • Gas Engines
  • Biomass Energy
CONT

No estimate was made of the cost of installing electricity generating capacity into an existing pulp and paper mill with excess heat available. The total capital costs of a 50MW wood-fueled power generator appear to be in the order of $40 000 000...

French

Domaine(s)
  • Moteurs à gaz
  • Énergie de la biomasse

Spanish

Save record 29

Record 30 1975-03-11

English

Subject field(s)
  • Electric Generating Systems
DEF

A generating set of which the prime mover uses heat energy. [p. 1]

French

Domaine(s)
  • Groupes électrogènes
DEF

Groupe générateur dont le moteur utilise l'énergie thermique.

Spanish

Save record 30

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