Zobrazeno 1 - 10
of 866
pro vyhledávání: '"Energy efficiency ratio"'
Publikováno v:
Case Studies in Thermal Engineering, Vol 63, Iss , Pp 105274- (2024)
Shell-tube PCM energy storage units are used in cold storage devices, the heat removal process is a critical factor influencing their performance. This study investigates the effects of cooling water temperature, water velocity, and tube shape on the
Externí odkaz:
https://doaj.org/article/bc7f9d4a50324d3da4f4fca2b362a769
Publikováno v:
Case Studies in Thermal Engineering, Vol 59, Iss , Pp 104495- (2024)
In order to improve the internal heat dissipation efficiency of the proton exchange membrane fuel cell, this paper designs and builds a set of fuel cell heat dissipation system experimental bench with a heat dissipation capacity of 15 kW based on the
Externí odkaz:
https://doaj.org/article/3e82099ac4734df3b17a5c673f3d3d52
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
The elimination of traditional thermal generators and the increase of renewable energy source access reduced the inertia of the power system, and thermostatically controlled loads have the potential to provide ancillary services to the power system.
Externí odkaz:
https://doaj.org/article/170ef0064221433abc2d30ee11ea06a9
Publikováno v:
Xi'an Gongcheng Daxue xuebao, Vol 37, Iss 5, Pp 92-98 (2023)
In order to realize the high-energy-efficiency operation of the gas pump heat pipe composite air conditioner in areas with large dry/wet bulb temperature differences, an evaporative condensation (spray/spray) device was added on the condensation side
Externí odkaz:
https://doaj.org/article/ea00a30cec3349aab3daaa632731016d
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 9, Pp 3215-3231 (2023)
Abstract The control strategy is important for variable refrigerant flow (VRF) air conditioning system to realize energy saving and stable operation. In this work, the super‐heating degree (SHD) responsive control strategy was developed to dynamica
Externí odkaz:
https://doaj.org/article/6a969089186e4031991a19b5d8747547
Publikováno v:
Soils and Foundations, Vol 64, Iss 1, Pp 101423- (2024)
Based on the electroosmotic reinforcement mechanism of pulsating direct current (PDC) with a high energy efficiency ratio, the calculation method of PDC electroosmosis drainage rate was verified under different potential gradients using two forms of
Externí odkaz:
https://doaj.org/article/1077b267128348cba649c920c042f04a
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 57, Iss 7, Pp 910-920 (2023)
To improve the stability of solar heating and reduce the high cost of air source heat pump heating, the idea of air source heat pump assisted solar stable heating was proposed. A solar vacuum tube water heater-air source heat pump system was develope
Externí odkaz:
https://doaj.org/article/315f4198b40544ef84dfba494704a02d
Publikováno v:
Energies, Vol 17, Iss 11, p 2511 (2024)
This article presents the results of a three-year experiment (2018–2020) conducted at the Agricultural Experiment Station in Bałcyny (north-eastern Poland) with the aim of determining Jerusalem artichoke (JA) yields and the energy balance of bioma
Externí odkaz:
https://doaj.org/article/5cacf601ca8948f996f87698f9920bba
Publikováno v:
Taiyuan Ligong Daxue xuebao, Vol 53, Iss 6, Pp 1004-1013 (2022)
On a microwave radiation triaxial loading experimental system with independent intellectual property rights, seepage experiments of coal samples were condected under the action of different microwave radiation power, radiation time, and effective for
Externí odkaz:
https://doaj.org/article/cdd4e54c44234a4cba18a4a5a84eee2e
Autor:
Zhili Sun, Jianhua Quan, Yi’an Wang, Ruishen Li, Jie Peng, Haoran Zhang, Jiapei Xu, Huan Sun, Shen Tian, Shengming Dong, Kaiyong Hu, Wenxiang Chen
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 8259-8270 (2022)
In the food refrigeration industry, the single-stage compression refrigerating system cannot meet the operating conditions of a high-pressure ratio when the evaporating temperature decreases. The cascade refrigerating system (CRS) is an alternative t
Externí odkaz:
https://doaj.org/article/ae0c32689af648e897a7adf4d7c8a1ac