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Topic Review
Thermochemical Heat Storage Processes
Recent contributions to thermochemical heat storage (TCHS) technology have been reviewed and have revealed that there are four main branches whose mastery could significantly contribute to the field. These are the control of the processes to store or release heat, a perfect understanding and designing of the materials used for each storage process, the good sizing of the reactor, and the mastery of the whole system connected to design an efficient system. The above-mentioned fields constitute a very complex area of investigation, and most of the works focus on one of the branches to deepen their research.
  • 543
  • 23 Aug 2021
Topic Review
Thermochemical Heat Storage Based on CaO/CaCO3 Cycles
Thermochemical heat storage (TCHS) based on CaO/CaCO3 cycles has broad application prospects due to many advantages, such as high heat storage density, high exothermic temperature, low energy loss, low material price, and good coupling with CSP plants.
  • 992
  • 04 Nov 2021
Topic Review
Thermochemical Approaches to Produce Bio-Oils for Epoxy Resins
Bio-oils are produced from biomass using three main processing techniques, namely (i) organic solvent liquefaction, which involves the utilization of organic solvents at relatively low temperatures to liquefy biomass; (ii) fast pyrolysis, which involves the liquefaction of biomass at elevated temperatures in the absence of oxygen and a solvent; and (iii) hydrothermal liquefaction, which breaks down biomass in water at elevated pressures and temperatures. It is noteworthy that even though the products from the abovementioned three liquefaction processes are all called bio-oil, the properties of these bio-oils, such as hydroxyl number, chemical composition, and molecular weight, differ greatly. Therefore, the final physical properties of bio-oil-based epoxy resins depend on the processing conditions used for the corresponding bio-oils.
  • 314
  • 20 Sep 2023
Topic Review
Thermally Conductive Adhesive in Electronic Packaging
The application of epoxy adhesive is widespread in electronic packaging. Epoxy adhesives can be integrated with various types of nanoparticles for enhancing thermal conductivity. The joints with thermally conductive adhesive (TCA) are preferred for research and advances in thermal management. The rapid advancement of microelectronic technology has resulted in the progressive transformation of electronic components from isolated to highly integrated. It produces a lot of heat while they are functioning. The materials and structures used to attach the semiconductor chip to other electronic components involve the sector of electronic packaging. Conductive adhesives represent a significant advancement in electronic packaging for advanced devices, where effective heat dissipation and enough electrical conductivity are critical. The TCA joint is a crucial choice for the thermal management of the device. The advances in TCA are essential because of future demands for inexpensive and handy electronic devices. The adhesive applications have become more important due to their remarkable versatility and unparalleled compatibility. The electronic industry has indeed developed, especially in consumer electronics, which depends on conductive adhesives. It would not be possible to identify the most modern electronic devices without conductive adhesives.
  • 899
  • 11 Oct 2021
Topic Review
Thermal-Hydraulic Performance and Optimization
In order to make the heat exchanger achieve high thermal hydraulic performance, researchers have made a lot of explorations. However, most studies only focus on thermal-hydraulic optimization of PCHE core geometric parameters and operating conditions, and pay little attention to the influence of head on flow distribution and flow heat transfer characteristics of PCHE. PCHE is considered as a potential choice of the S-CO2Brayton cycle system, so S-CO2is the most used working fluid in PCHE.
  • 811
  • 24 Nov 2021
Topic Review
Thermal Transport in 2D Materials
Two-dimensional materials are characterized by excellent structural, mechanical, and physical properties, making them suitable for basic science and engineering applications because of their superb properties. In nanomaterials, thermal transport has revealed many unique phenomena, which, when understood, will open up new possibilities for the development of new nanotechnologies in thermal management. New technologies have become increasingly dependent on thermal conductivity as an essential parameter. Many benefits can be derived from nanoelectronic devices using 2D materials and they may potentially extend electronics into new fields of application.
  • 461
  • 22 Feb 2023
Topic Review
Thermal properties and applications of nanofluids
The nanofluids (NFs) are known as a colloidal suspension where nanoparticles (NPs) are dispersed in conventional base fluids (BFs). This suspension has been frequently used to improve the heat transfer (HT) capacity of a fluid by studying their thermophysical properties. The NFs thermal properties and their applications are being used in different fields of engineering, ranging from machining to renewable energies. In machining, NFs play a prominent role in the processes of turning, milling, drilling, and grinding, being responsible for their optimization as well as improving the useful life of the tools and reducing costs. In the solar energy field, NFs have been used in the thermal management of the panels, controlling and homogenizing the operating temperature of these systems. In the biomedical area, the advantages of using NFs come from the treatment of cancer cells, the development of vaccines before the improvement of diagnostic imaging, and many others.
  • 715
  • 08 Feb 2022
Topic Review
Thermal Performance of a Billboard External Receiver
The receiver serves as a critical component in tower-type concentrated solar power plants. The current entry experimentally evaluated the thermal efficiency of bill-board shaped receiver to be employed in concentrated solar power plants.
  • 553
  • 18 Mar 2022
Topic Review
Thermal Monitoring Techniques for Radial Permanent Magnet Machines
Permanent magnet machines are widely applied in motor drive systems. Therefore, condition monitoring of permanent magnet machines has great significance to assist maintenance. High temperatures are accountable for lots of typical malfunctions and faults, such as demagnetization of the permanent magnet (PM) and inter-turn short circuit of stator windings. Therefore, temperature monitoring of the PM and stator windings is essential for reliable operation.
  • 323
  • 16 Feb 2022
Topic Review
Thermal Management System
In gas turbine engines, Thermal Management (TM) is a concept of utilising the engine fluid systems to extract the excess heat generated within the various components and systems of the engine as well as employing the extracted heat for multiple functions that would improve the engine’s performance.
  • 1.2K
  • 14 Jan 2022
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