|
|
|
|
|
Mohamed Ghorab, Libing Yang, Evgueniy Entchev, Euy-Joon Lee, Eun-Chul Kang, Yu-Jin Kim, Sangmu Bae, Yujin Nam and Kwonye Kim
Hybrid renewable energy systems are subject to extensive research around the world and different designs have found their way to the market and have been commercialized. These systems usually employ multiple components, both renewable and conventional, c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alexandru-Mihai Bulmez, Vasile Ciofoaia, Gabriel Nastase, George Dragomir, Alin-Ionu? Brezeanu, Nicolae-Fani Iordan, Sorin-Ionu? Bolocan, Mariana Fratu, Costel Ple?can, Christiana Emilia Cazacu and Ovidiu Deaconu
Human interference with the Earth?s climate cannot be ignored any longer. Renewable energy sources need utmost attention in all energy sectors. For buildings, geothermal energy for heating, cooling, and domestic hot water is a sustainable solution. Horiz...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yoshitaka Sakata, Takao Katsura and Katsunori Nagano
This study determined the required lengths of borehole heat exchangers (BHEs) in ground-source heat pump systems for heating/cooling a building (with 300 m2 of floor area) across Japan?s four main islands through a simulation approach. Hourly thermal loa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Atefeh Maleki Zanjani, Kobra Gharali, Armughan Al-Haq and Jatin Nathwani
Using fins on the inner and outer surfaces of pipes is one method to improve the heat transfer rate of ground heat exchangers (GHEs), thereby reducing the borehole depth and construction and operation costs. Results of 3D numerical studies of simple and ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Adel Eswiasi and Phalguni Mukhopadhyaya
Use of ground source heat pumps has increased significantly in recent years for space heating and cooling of residential houses and commercial buildings, in both heating (i.e., cold region) and cooling (i.e., warm region) dominated climates, due to its l...
ver más
|
|
|
|
|
|
|
|
|
|
|
Johannes Müller, Antonio Galgaro, Giorgia Dalla Santa, Matteo Cultrera, Constantine Karytsas, Dimitrios Mendrinos, Sebastian Pera, Rodolfo Perego, Nick O?Neill, Riccardo Pasquali, Jacques Vercruysse, Leonardo Rossi, Adriana Bernardi and David Bertermann
The relatively high installation costs for different types of shallow geothermal energy systems are obstacles that have lowered the impact of geothermal solutions in the renewable energy market. In order to reduce planning costs and obtain a lithological...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pavel Neuberger and Radomír Adamovský
The paper deals with an analysis of temperatures of ground masses in the proximities of linear and slinky-type HGHE (horizontal ground heat exchanger). It evaluates and compares the potentials of HGHEs and ambient air. The reason and aim of the verificat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yoshitaka Sakata, Takao Katsura, Katsunori Nagano and Manabu Ishizuka
Heat advection caused by groundwater flow can potentially improve the performance of a borehole heat exchanger. However, the required flow velocity is not achieved under most natural conditions. This study focuses on artificial groundwater flow generated...
ver más
|
|
|
|
|
|
|
|
|
|
|
Eun-Chul Kang, Euy-Joon Lee, Mohamed Ghorab, Libing Yang, Evgueniy Entchev, Kwang-Seob Lee and Nam-Jin Lyu
Micro polygeneration utilizing renewable energy is a suitable approach to reduce energy consumption and carbon emission by offering high-efficiency performance, offsetting the need for centrally-generated grid electricity and avoiding transmission/distri...
ver más
|
|
|
|
|
|
|
|
|
|
|
Paolo Maria Congedo, Caterina Lorusso, Maria Grazia De Giorgi and Domenico Laforgia
In order to satisfy the requirements of Directive 2010/31/EU for Zero Energy Buildings (ZEB), innovative solutions were investigated for building HVAC systems. Horizontal air-ground heat exchangers (HAGHE) offer a significant contribution in reducing ene...
ver más
|
|
|
|
|
|