Zobrazeno 1 - 10
of 1 796
pro vyhledávání: '"heat pump system"'
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 51, Iss 4, Pp 233-242 (2024)
The reasonable design of hole spacing for buried heat exchangers is the first issue to be solved when developing shallow geothermal energy in the Nanjing erosion and accumulation plain area. In order to obtain the hole spacing for design reference an
Externí odkaz:
https://doaj.org/article/a904f3a191c94e6f8525206269da6ca7
Publikováno v:
Engineering Reports, Vol 6, Iss 12, Pp n/a-n/a (2024)
Abstract Focusing on the electricity generation performance of a direct expansion solar PVT heat pump system, a novel T‐type optimized collector/evaporator was designed. The experiment used refrigerant R410a as the working medium and was conducted
Externí odkaz:
https://doaj.org/article/74cf6d3e71f64b9d93c84b7bd93c68c3
Publikováno v:
Case Studies in Thermal Engineering, Vol 63, Iss , Pp 105292- (2024)
During the process of heating greenhouses, the phenomenon of inadequate heating installations is widespread. To address this issue, this paper proposed a solar air collector-air source heat pump (SAC-ASHP) system for greenhouses, combining solar tech
Externí odkaz:
https://doaj.org/article/76f33ab7cd8b4a20b11e1f01d6272ecc
Autor:
Adnan Khan, Abdul Rafey, M Humam Zaim Faruqi, Faisal Zia Siddiqui, Suhail A. Siddiqui, Saeikh Zaffar Hassan
Publikováno v:
Next Energy, Vol 5, Iss , Pp 100169- (2024)
This research explores the effectiveness of a Ground Source Heat Pump (GSHP) system for cooling purposes in Indian conditions. Key parameters considered include the water’s flow rate, grout material, run time, return air temperature, and borehole c
Externí odkaz:
https://doaj.org/article/5faa6376d7174403861439a4efbe15f1
Publikováno v:
Smart Cities, Vol 7, Iss 3, Pp 1390-1413 (2024)
This study examines the optimization of ground source heat pump (GSHP) systems and energy piles for sustainable urban development, focusing on Southeast Asia. GSHPs, which utilize geothermal energy for indoor HVAC needs, offer a sustainable alternati
Externí odkaz:
https://doaj.org/article/6f710145711e4a2ab3634af557c5c6c5
Publikováno v:
Energies, Vol 17, Iss 22, p 5729 (2024)
Recently, battery electric vehicles (BEVs) have faced various technical challenges, such as reduced driving range due to ambient temperature, slow charging speeds, fire risks, and environmental regulations. This numerical study proposes an integrated
Externí odkaz:
https://doaj.org/article/388e3303a31844bba8d599027a38189f
Publikováno v:
Applied Sciences, Vol 14, Iss 21, p 9840 (2024)
Hybrid energy systems combine multiple energy sources and storage technologies to enhance performance and meet diverse energy needs. Hybrid heat pump systems are particularly suitable for heating and cooling buildings in rural areas. Air-source heat
Externí odkaz:
https://doaj.org/article/29fa4934e4624dda86f09a91ee3be79c
Publikováno v:
Energies, Vol 17, Iss 21, p 5428 (2024)
Demand response (DR) enhances building energy flexibility, but its application in hybrid heating systems with dynamic pricings remains underexplored. This study applied DR via heating setpoint adjustments based on dynamic electricity and district hea
Externí odkaz:
https://doaj.org/article/9b1fa75f6a46435f948e5ae114d78739
Autor:
Khaled Salhein, C. J. Kobus, Mohamed Zohdy, Ahmed M. Annekaa, Edrees Yahya Alhawsawi, Sabriya Alghennai Salheen
Publikováno v:
Energies, Vol 17, Iss 19, p 5003 (2024)
Ground heat pump systems (GHPSs) are esteemed for their high efficiency within renewable energy technologies, providing effective solutions for heating and cooling requirements. These GHPSs operate by utilizing the relatively constant temperature of
Externí odkaz:
https://doaj.org/article/670945e73a704150ba67ee55d5a76192