FR3124555B1 - Device and method for controlling the pressure of a fluid in a two-phase fluid loop with mechanical pumping - Google Patents

Device and method for controlling the pressure of a fluid in a two-phase fluid loop with mechanical pumping Download PDF

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Publication number
FR3124555B1
FR3124555B1 FR2106761A FR2106761A FR3124555B1 FR 3124555 B1 FR3124555 B1 FR 3124555B1 FR 2106761 A FR2106761 A FR 2106761A FR 2106761 A FR2106761 A FR 2106761A FR 3124555 B1 FR3124555 B1 FR 3124555B1
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FR
France
Prior art keywords
fluid
pressure
liq
evaporator
condenser
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR2106761A
Other languages
French (fr)
Other versions
FR3124555A1 (en
Inventor
Rémi Dompnier
Giacomo Saccone
Anthony Delmas
Julien Hugon
Alain Chaix
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thales SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thales SA filed Critical Thales SA
Priority to FR2106761A priority Critical patent/FR3124555B1/en
Priority to EP22180651.6A priority patent/EP4108917A1/en
Publication of FR3124555A1 publication Critical patent/FR3124555A1/en
Application granted granted Critical
Publication of FR3124555B1 publication Critical patent/FR3124555B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B23/00—Machines, plants or systems, with a single mode of operation not covered by groups F25B1/00 - F25B21/00, e.g. using selective radiation effect
    • F25B23/006—Machines, plants or systems, with a single mode of operation not covered by groups F25B1/00 - F25B21/00, e.g. using selective radiation effect boiling cooling systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes

Abstract

L’invention concerne un dispositif de contrôle (10) de la pression d’un fluide dans une boucle fluide diphasique à pompage mécanique, comprenant un circuit fermé (11) dans lequel circule un fluide caloporteur (20), un évaporateur (12) à travers lequel le fluide circule sous forme liquide (20-liq), l’évaporateur (12) étant configuré pour transformer le fluide sous forme liquide (20-liq) en fluide sous forme partiellement gazeuse (20-g), un condenseur (15) à travers lequel le fluide, le condenseur (15) étant configuré pour transformer le fluide sous forme partiellement gazeuse (20-g) en fluide sous forme liquide (20-liq), une pompe (18), disposée entre le condenseur (15) et l’évaporateur (12), destinée à mettre en mouvement le fluide dans le circuit fermé (11) depuis l’évaporateur (12) vers le condenseur (15) sous forme partiellement gazeuse (20-g) et depuis le condenseur (15) vers l’évaporateur (12) sous forme liquide (20-liq), un réservoir de fluide (19) relié au circuit fermé (11), destiné à compenser les variations de volume de fluide dans le circuit fermé (11) ; le dispositif de contrôle (10) étant caractérisé en ce qu’il comprend un moyen d’asservissement (26) du dispositif d’ajustement (25) de la pression, ou de la température de saturation, en fonction d’une valeur mesurée (24, 29) de pression du fluide, ou de température de saturation, et d’une valeur de consigne de pression, ou de température de saturation, ladite valeur de consigne de pression, ou de température de saturation, étant variable selon une valeur mesurée (22) de température du fluide sous forme liquide (20-liq) et d’une valeur maximale de température du réservoir (19) ou de pression maximale dans le circuit fermé (11) sur une période préalablement définie Figure pour l’abrégé: Fig.1The invention relates to a device (10) for controlling the pressure of a fluid in a two-phase fluid loop with mechanical pumping, comprising a closed circuit (11) in which a heat transfer fluid (20) circulates, an evaporator (12) through which the fluid circulates in liquid form (20-liq), the evaporator (12) being configured to transform the fluid in liquid form (20-liq) into fluid in partially gaseous form (20-g), a condenser (15 ) through which the fluid, the condenser (15) being configured to transform the fluid in partially gaseous form (20-g) into fluid in liquid form (20-liq), a pump (18), disposed between the condenser (15 ) and the evaporator (12), intended to set in motion the fluid in the closed circuit (11) from the evaporator (12) towards the condenser (15) in partially gaseous form (20-g) and from the condenser ( 15) towards the evaporator (12) in liquid form (20-liq), a fluid reservoir (19) connected to the closed circuit (11), intended to compensate for variations in fluid volume in the closed circuit (11); the control device (10) being characterized in that it comprises means (26) for controlling the device (25) for adjusting the pressure, or the saturation temperature, as a function of a measured value ( 24, 29) of fluid pressure, or saturation temperature, and a pressure setpoint value, or saturation temperature, said pressure setpoint value, or saturation temperature, being variable according to a measured value (22) temperature of the fluid in liquid form (20-liq) and a maximum value of tank temperature (19) or maximum pressure in the closed circuit (11) over a previously defined period Figure for the abstract: Fig.1

FR2106761A 2021-06-24 2021-06-24 Device and method for controlling the pressure of a fluid in a two-phase fluid loop with mechanical pumping Active FR3124555B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2106761A FR3124555B1 (en) 2021-06-24 2021-06-24 Device and method for controlling the pressure of a fluid in a two-phase fluid loop with mechanical pumping
EP22180651.6A EP4108917A1 (en) 2021-06-24 2022-06-23 Device and method for controlling the pressure of a fluid in a two-phase fluid loop with mechanical pumping

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2106761 2021-06-24
FR2106761A FR3124555B1 (en) 2021-06-24 2021-06-24 Device and method for controlling the pressure of a fluid in a two-phase fluid loop with mechanical pumping

Publications (2)

Publication Number Publication Date
FR3124555A1 FR3124555A1 (en) 2022-12-30
FR3124555B1 true FR3124555B1 (en) 2023-09-15

Family

ID=77821846

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2106761A Active FR3124555B1 (en) 2021-06-24 2021-06-24 Device and method for controlling the pressure of a fluid in a two-phase fluid loop with mechanical pumping

Country Status (2)

Country Link
EP (1) EP4108917A1 (en)
FR (1) FR3124555B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2753887T3 (en) * 2011-09-09 2021-03-08 Cern - European Organization For Nuclear Research Compact cooling system and method for accurate temperature control
US10591221B1 (en) * 2017-04-04 2020-03-17 Mainstream Engineering Corporation Advanced cooling system using throttled internal cooling passage flow for a window assembly, and methods of fabrication and use thereof
US10775110B2 (en) * 2018-04-12 2020-09-15 Rolls-Royce North American Technologies, Inc. Tight temperature control at a thermal load with a two phase pumped loop, optionally augmented with a vapor compression cycle
IT201800009390A1 (en) * 2018-10-12 2020-04-12 Francesco Romanello FORCED CONVECTION TWO-PHASE COOLING SYSTEM

Also Published As

Publication number Publication date
FR3124555A1 (en) 2022-12-30
EP4108917A1 (en) 2022-12-28

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