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Pengxuan Wang, Yixi Wang, Weijun Gao, Tongyu Xu, Xindong Wei, Chunyan Shi, Zishu Qi and Li Bai
In cold regions, due o the impact of climatic conditions, the heat load in winter and the cooling load in summer are unbalanced. In the long-term operation of the ground-source heat pump (GSHP), the soil heat imbalance phenomenon has still not been succe...
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Zhaoyi Zhuang, Jin Zhao, Fengfeng Mi, Teng Zhang, Yuguo Hao and Shangyue Li
Heat pump technology can extract low-level heat energy from urban sewage to heat or cool buildings, which can alleviate the two major problems of energy shortage and environmental pollution to a certain extent. This paper introduces the principle of wast...
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Qinghua Wu, Yue Fan and Xiao Wang
Shallow geothermal energy (SGE) is a renewable energy source that has the advantage of being low-cost, clean, and locally sourced compared to fossil fuels, and is thus significant for China to achieve its future goals of carbon peaking and carbon neutral...
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Mingxing Cao, Yimin Zhang and Tianfei Hu
This study aimed to investigate the practical applications of a ground source heat pump (GSHP) system for heating applications in embankment engineering. A special direct-expansion GSHP (DE-GSHP) was designed and manufactured, and its performance was exp...
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Chunwee Ng, Ivan C. K. Tam and Ben Wetenhall
The maritime industry will continue to see increasing regulatory requirements to reduce carbon emissions from ships? operations. Improving the energy efficiency of ships with waste heat recovery systems based on the organic Rankine cycle (ORC) is an attr...
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Filippo Busato, Renato Lazzarin and Marco Noro
In new and refurbished buildings, different energy sources are usually exploited to reach the Near Zero Energy Building target. Heat pumps and renewables are the most common adopted technologies. The coupling of the different components with a control lo...
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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...
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Qing Zhang, Zhaohui Bin, Yongji Xu, Shaohe Luo, Li Zhao and Jiazhong Qian
Geothermal resource is green and clean energy, and geothermal field is widely distributed in the world. Its development and utilization has little harm to the environment, can change the current situation of energy consumption mainly based on fossil ener...
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Renato Lazzarin, Marco Noro, Giulia Righetti and Simone Mancin
The use of phase change materials (PCM) can be considered an effective way to improve the energy storage capabilities of hybrid water thermal energy storage (TESs) in solar heating and cooling plants. However, due to a few shortcomings, their use is stil...
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Yuanshen Lu, Kamel Hooman, Aleks D. Atrens and Hugh Russell
Ground source heat pumps (GSHPs) are one of the most widespread forms of geothermal energy technology. They utilise the near-constant temperature of the ground below the frost line to achieve energy-efficiencies two or three times that of conventional ai...
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Jin Luo, Joachim Rohn, Manfred Bayer and Anna Priess
Thermal efficiency of borehole heat exchangers (BHE) is of crucial importance for the design and optimization of ground source heat pump (GSHP) system. This paper investigates thermal efficiency of a BHE with three drillhole diameters: 121 mm, 165 mm and...
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Zhigang Ren, Shize Yang, Jiaji Zhang, Qiankun Wang, Shuqiang Gui, Junli Zhou, Yuyang Tang, Ke Zhu, Chuxiong Shen, Zhihua Xiong, Jinlong Sun, Xinpeng Qiu and Zhuo Chen
The discharge of warm water from water source heat pump (WSHP) energy stations can cause local changes in the water temperature, leading to changes in the water quality around and downstream of the discharge outlet, resulting in a cumulative effect that ...
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Vinutha K, M Sunitha, J. K. Madhukesh, Umair Khan, Aurang Zaib, El-Sayed M. Sherif, Ahmed M. Hassan and Ioan Pop
Studying waste discharge concentration across a convergent/divergent channel is essential in environmental-related applications. Successful environmental administration must understand the behavior and concentration of waste contaminants released into th...
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Brett Bowman, Chad Oian, Jason Kurz, Taufiquar Khan, Eddie Gil and Nick Gamez
Modeling of physical processes as partial differential equations (PDEs) is often carried out with computationally expensive numerical solvers. A common, and important, process to model is that of laser interaction with biological tissues. Physics-informe...
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Nurfathin Zahrolayali, Mohd Rashdan Saad, Azam Che Idris and Mohd Rosdzimin Abdul Rahman
Utilization of a heat source to regulate the shock wave?boundary layer interaction (SWBLI) of hypersonic inlets during throttling was computationally investigated. A plug was installed at the intake isolator?s exit, which caused throttling. The location ...
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Dawei Huang, Hongting Ma, Shuo Ma, Mo Chen, Chang Xu, Yongyichuan Zhang and Cong Yan
The solar-assisted electric boiler water heating systems adopted in student apartments at universities have some shortcomings, such as unsuitable system designs, unstable water supply temperature, and excessive power consumption. As discussed in this pap...
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Marian Pafcuga, Michal Holubcik, Peter Durcansky, Andrej Kapjor and Milan Malcho
Wheat straw, as a secondary waste agricultural product, presents a potential renewable source of energy. It is necessary to design simple heat sources to achieve better usage. As part of an analysis of heat sources, a tubular type of heat exchanger was r...
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Lena Vorspel and Jens Bücker
DiGriPy is a newly developed Python tool for the simulation of district heating networks published as open-source software in GitHub and offered as a Python package on PyPI. It enables the user to easily build a network model, run large-scale demand time...
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Feng Li, Jinqiang Ning and Steven Y. Liang
The planar induction heating possesses more difficulties in industry application compared with traditional spiral induction coils in mostly heat treatment processes. Numerical approaches are adopted in the power distribution and temperature prediction du...
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Peiying Bian, Xiaodong Shao and Jingli Du
Simulation of stress distribution and deformation in additive manufacturing.
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