압축 공기 에너지 저장(CAES)은 잉여 전기 에너지를 지하 지질 구조(소금 동굴, 대수층 또는 다공성 암석 저장소)에 공기를 압축하여 저장한 후, 최대 수요 시 팽창 터빈을 통해 회수함으로써 기계적 에너지로 변환합니다.
열역학 성능은 압축 및 팽창 단계, 중간 냉각, 열회수, 열 저장 장치 통합에 따라 좌우되며, 단열, 비단열, 등온 방식에 따라 왕복 효율이 크게 달라집니다. 저장 매체의 지질역학적 안정성, 시추공 밀봉, 공동 침출 과정은 장기적인 운영 가능성을 좌우합니다. 현재 연구는 연소를 완전히 제거하는 고급 단열 구성, 엑서지 손실을 줄이는 등온 방식, 그리고 전력망 최적화에 초점을 맞추고 있습니다.
이 페이지는 CAES 연구의 모든 기술 분야에 걸쳐 최신 동료 검토 논문과 승인된 특허를 종합적으로 제공합니다.
본 자료는 압축 공기 에너지 저장(CAES)에 관한 전 세계 영문 논문 및 특허를 엄선하여 정리한 최신 자료입니다. 다양한 온라인 과학 저널에 게재된 자료를 포함하며, 단열 압축, 등온 압축, 폴리트로픽 효율, 동굴 저장, 염동굴, 대수층 저장, 비단열 CAES, 단열 CAES, 등온 CAES, 고급 단열 CAES, 열에너지 저장, 열회수기, 팽창 터빈, 압축기 트레인, 압력비, 왕복 효율, 엑서지 분석, 지질학적 저장 건전성, 시추공 건전성, 기밀성, 재열 연소, 중간 냉각, 스로틀링 손실, 압축 공기 엑서지, 지하 압력 용기, 다공성 암석 저류층, 동굴 침출, 지반역학적 안정성, 그리드 규모 저장 배분, 팽창 터빈 단계, 압축 공기 에너지 저장 및 CAES 등의 주제로 분류 및 집중 분석했습니다.
Power generation system
Patent published on the 2026-05-20 in GB under Ref GB2701973 by ROLLS ROYCE SUBMARINES LTD [GB] (Jacob Diffey [gb])
Abstract: A power generation system 100 for a microreactor comprising: a reactor core 10; a first turbomachinery system 20 comprising a turbine 22 and a compressor 24; a first heat-rejection sub-system 40; and a first recuperator 30 comprising a hot flow inlet flange 31, a hot flow outlet flange 32, a cool flow inlet flange 33, a cool flow outlet flange 34, and a matrix 35 comprising hot flow channels 36 and cool flow channels 37 arranged as part of a loop such that a working fluid can flow around the loo[...]
Our summary: The power generation system includes a microreactor with a reactor core and a turbomachinery system. It features a closed Brayton cycle with a first recuperator and heat-rejection subsystem. The system is designed for efficient fluid flow through specified channels and components.
Microreactor, Turbomachinery, Heat-rejection, Brayton cycle
Patent
Heat recovery air handling unit
Patent published on the 2026-05-11 in LT under Ref LT2025536 by LIMITED LIABILITY CO VENTILATION SYSTEMS [UA] (Klapishevskyi Oleksandr Stanislavovych [ua], Tsiomyk Anatolii Mykhailovych [ua], Kyshchuk Viktor Pavlovych [ua])
Abstract: The invention relates to ventilation equipment, specifically to intake-exhaust units with heat recovery, and can be used for installation in residential and special-purpose premises. According to the presented invention, an intake-exhaust unit with heat recovery is created, ensuring high heat exchange efficiency and air circulation. The unit consists of an indoor module, an outdoor module, a central module with a plate recuperator, fans, an exhaust duct inlet chamber, an exhaust duct outlet cham[...]
Our summary: The invention describes a heat recovery air handling unit designed for efficient ventilation in residential and special-purpose spaces. It features an indoor and outdoor module, a central module with a plate recuperator, and fans for air circulation. The system includes a condensate removal mechanism and various configurations for fan placement to optimize airflow.
heat recovery, air handling unit, ventilation equipment, heat exchange efficiency
Patent
A hot water supply system
Patent published on the 2026-05-06 in GB under Ref GB2701725 by OCTOPUS ENERGY HEATING LTD [GB] (Jessica Grace Hunter [gb], Elvin Michael Nagamootoo [gb], Sam Gerard Bailey [gb])
Abstract: A domestic hot water supply system 1 comprises a housing 40. A thermal energy store 2, first heat exchanger 3 and second heat exchanger 4 are contained and supported within the housing. The thermal energy store comprises an unpressurised tank to store 40-290 litres of an energy storage fluid (e.g. water). The first heat exchanger has a first inlet to receive hot working fluid from a heat source (e.g. heat pump 35) and a first outlet to return the cooled working fluid to the heat source, and a se[...]
Our summary: A domestic hot water supply system includes a housing containing a thermal energy store and two heat exchangers. The thermal energy store holds 40-290 litres of energy storage fluid. The heat exchangers facilitate the transfer of heat between a heat source and mains water.
hot water supply, thermal energy store, heat exchanger, domestic system
Patent
A hot water supply system
Patent published on the 2026-05-06 in GB under Ref GB2701625 by OCTOPUS ENERGY HEATING LTD [GB] (Jessica Grace Hunter [gb], Elvin Michael Nagamootoo [gb], Sam Gerard Bailey [gb])
Abstract: A hot water supply system 1 comprises a thermal energy store 2 containing an energy storage fluid, with a first inlet 18, a first outlet 16, a second inlet 21, and a second outlet 20. A first heat exchanger 3 receives heated working fluid from a heat source and receives and returns energy storage fluid from the thermal energy store. A second heat exchanger 4 receives cold water and returns heated water and receives and returns energy storage fluid from the thermal energy store. The system is swi[...]
Our summary: A hot water supply system includes a thermal energy store with inlets and outlets for energy storage fluid. It features two heat exchangers for heating water and returning energy storage fluid. The system can switch between two configurations for optimal fluid flow management.
hot water supply, thermal energy store, heat exchanger, energy storage fluid
Patent
A hot water supply system
Patent published on the 2026-05-06 in GB under Ref GB2701566 by OCTOPUS ENERGY HEATING LTD [GB] (Jessica Grace Hunter [gb], Elvin Michael Nagamootoo [gb], Sam Gerard Bailey [gb])
Abstract: A method of providing a quantity of hot water suitable for domestic washing or bathing, the method comprising providing a heating appliance having an unpressurised thermal energy store 2 for storing energy storage fluid, the heating appliance further being provided with a first heat exchanger 3 that is coupled between the heating appliance and a heat source and a second heat exchanger 4 that is coupled between the heating appliance and the incoming cold water to be heated, the first and second h[...]
Our summary: The method provides a hot water supply suitable for domestic use. It utilizes a heating appliance with a thermal energy store and two heat exchangers. A processor controls the system based on flow rate and sensor data to manage the heat source activation.
hot water system, thermal energy store, heat exchangers, flow rate sensor
Patent
A hot water supply system
Patent published on the 2026-05-06 in GB under Ref GB2701575 by OCTOPUS ENERGY HEATING LTD [GB] (Jessica Grace Hunter [gb], Elvin Michael Nagamootoo [gb], Sam Gerard Bailey [gb])
Abstract: Fig 6 A method of controlling an appliance for providing a quantity of hot water suitable for domestic washing or bathing, the appliance comprising: a thermal energy store 2 for storing substantially unpressurised energy storage fluid, the appliance further being provided with a first heat exchanger 3 that is coupled between the appliance and a heat source and a second heat exchanger 4 that is coupled between the appliance and the incoming cold water to be heated, the first and second heat excha[...]
Our summary: The appliance provides hot water for domestic use through a thermal energy store. It utilizes two heat exchangers to heat incoming cold water. A circulation pump and valves manage the flow paths of the energy storage fluid.
hot water system, thermal energy store, heat exchangers, fluid circulation
Patent
A CFD–DEM Numerical Study
Published on 2026-01-29 by Weiqiang Zhao, Xijie Song, Ning Wang, Yongyao Luo, Ling Ma @MDPI
Abstract: During the discharge process of a salt cavern compressed air energy storage (CAES) system, high-speed air flow may entrain salt slag from the cavern floor, posing a threat to pipeline safety. Currently, there is a lack of in-depth research into the transient mechanisms of the entrainment process, particularly the influence of particle shape. This study employs a CFD-DEM coupling approach to conduct, for the first time, a high-fidelity simulation of slag entrainment dynamics during the initial di[...]
Our summary: This study investigates the transient mechanisms of particle entrainment during the discharge of a salt cavern compressed air energy storage system. A CFD-DEM coupling approach simulates the dynamics of different particle shapes, revealing that spherical particles are most easily entrained. The findings highlight the influence of particle shape on entrainment efficiency and provide insights for improving operational safety in CAES systems.
CFD, DEM, particle entrainment, salt cavern
Publication
Normal Shock Wave Approximations for Flight at Hypersonic Mach Numbers
Published on 2026-01-24 by Pasquale M. Sforza @MDPI
Abstract: Normal shock pressure ratios in equilibrium air for Mach numbers up to 30 and altitudes to 300,000 feet are shown to be correlated by a simple power law which provides an accuracy of ±2%, thereby permitting direct calculation of corresponding enthalpy ratios accurate to ±1% without iteration; a slight change in power-law coefficients extends this capability to Mach 65. Temperature, density, and compressibility may be then found directly from tables for high temperat[...]
Our summary: The study presents a power law correlation for normal shock pressure ratios in equilibrium air at hypersonic Mach numbers. It enables accurate calculations of enthalpy ratios and other state variables without iteration. This method is beneficial for design and analysis of vehicles operating in low to moderate hypersonic regimes.
Shock Wave, Hypersonic, Power Law, Enthalpy
Publication
