Results 11 to 20 of about 812 (154)

Transfer of Low-Potential Heat from a Deep Borehole by Means of a Heat Pipe and Heat Pump

Communications, 2012
The paper presents a design of equipment for the usage of low-potential heat collected from rock in a deep borehole by means of heat pipes (HP) and a description of its realization.
Milan Malcho, Jozef Jandacka, Martin Vantuch, Andrej Kapjor, Stanislav Gavlas   +4 more
doaj   +1 more source

Simple Empirical Relation for an Evacuated-Tube Solar Collector Performance Prediction from Solar Intensity

Energies, 2023
In this paper, the effect of solar intensity on the heat pipe tip temperature in a heat pipe type—evacuated-tube solar collector (HP-ETSC) was investigated.
Nattapat Pongboriboon, Wei Wu, Walairat Chandra-ambhorn, Patthranit Wongpromrat, Eakarach Bumrungthaichaichan   +4 more
doaj   +1 more source

Water pipe network as a heat source for heat pump integrated into a district heating

E3S Web of Conferences, 2017
The paper will present a technical analysis of the performance of the Heat Pumps (HP) installed in the domestic water pipe network for a big city scale. The HP integration scheme predicts the domestic water flow as a heat source and the district heating ...
Jadwiszczak Piotr, Niemierka Elżbieta
doaj   +1 more source

Thermal Evaluation of Graphene Nanoplatelets Nanofluid in a Fast-Responding HP with the Potential Use in Solar Systems in Smart Cities

Applied Sciences, 2019
An experimental study was undertaken to assess the heat-transfer coefficient (HTC) of graphene nanoplatelets-pentane nanofluid inside a gravity-assisted heat pipe (HP).
M. M. Sarafraz, Iskander Tlili, Zhe Tian, Mohsen Bakouri, Mohammad Reza Safaei, Marjan Goodarzi   +5 more
doaj   +1 more source

U-drill embedded with phase change heat transfer device for machining applications

Case Studies in Thermal Engineering, 2019
Metal machining is always associated with the generation of heat. Though heat generated in metal cutting is carried away by the chips, continuous engagement of tool with the workpiece increase the temperature at the tool–work interface and spreads to its
I. Kantharaj, M. Sekar, A. Brusly Solomon, Nallapaneni Manoj Kumar, Kalakanda Alfred Sunny   +4 more
doaj   +1 more source

Experimental investigation of a solar evacuated tube collector embedded with a heat pipe using different nanofluids and controlled mechanical exciting pulsations

International Journal of Thermofluids, 2023
Numerous studies have been conducted to enhance the thermal performance of evacuated tube solar thermal collectors using various techniques, such as different working fluids, concentrators, and modifications to the absorber design.
Adel A. Eidan, Assaad Alsahlani, Mohammed J. Alshukri, Ammar I. Alsabery   +3 more
doaj   +1 more source

Heat Pipe-Based Cooling Enhancement for Photovoltaic Modules: Experimental and Numerical Investigation

Energies
High temperatures in photovoltaic (PV) modules lead to the degradation of electrical efficiency. To address the challenge of reducing the temperature of photovoltaic modules and enhancing their electrical power output efficiency, a simple but efficient ...
Shuailing Ma, Yingai Jin, Firoz Alam
doaj   +1 more source

Thermoelectric Power Generators: State-of-the-Art, Heat Recovery Method, and Challenges

Electricity, 2021
Electricity plays a significant role in daily life and is the main component of countless applications. Thus, ongoing research is necessary to improve the existing approaches, or find new approaches, to enhancing power generation.
Rima Aridi, Jalal Faraj, Samer Ali, Thierry Lemenand, Mahmoud Khaled   +4 more
doaj   +1 more source

Preliminary neutronics design and analysis of lithium heat pipe cooled space reactor with low-enriched uranium

Nuclear Engineering and Technology
The space nuclear reactor cooled by heat pipes has become the preferred choice for future space missions and deep space exploration missions. The use of low-enriched uranium (LEU) is promoted to achieve the goal of nuclear non-proliferation worldwide. In
Xiaoliang Zou, Yanting Sun, Qiusun Zeng, Xiaojian Wen, Xiaogang Cao, Xi Huang, Yibao Liu   +6 more
doaj   +1 more source

Experimental Investigation on Affecting Air Flow against the Maximum Temperature Difference of a Lithium-Ion Battery with Heat Pipe Cooling

World Electric Vehicle Journal, 2023
Research on battery thermal management systems (BTMSs) is particularly significant since the electric vehicle sector is growing in importance and because the batteries that power them have high operating temperature requirements.
Chokchai Anamtawach, Soontorn Odngam, Chaiyut Sumpavakup   +2 more
doaj   +1 more source