Advances in heat pipe technologies for different thermal systems ...
Khalifa et al. investigated numerically and experimentally the thermal behaviour of latent heat thermal energy storage systems (LHTES) that utilized heat …
Khalifa et al. investigated numerically and experimentally the thermal behaviour of latent heat thermal energy storage systems (LHTES) that utilized heat …
The thermal efficiency (η s) of such a system is defined as the ratio of heat transfer rate (q ˙) over the product of collector gross area (A c) and the total global solar radiation (G t) on the surface of the collectors [28].The results from experimental work showed an efficiency improvement of 26% for the normal operation and 66% for the …
Your other exposed indoor pipes transfer hot water around your home, so pipe insulation helps reduce heat loss from the pipes. This can save you around £6 (£6 in NI) a year on your energy bills.* * Savings based on fuel prices as of January 2024 for a typical gas heated (oil heated for NI) three-bedroom semi-detached house.
Electric heating refers to any system which uses electricity as the main energy source to heat the home, including night storage heaters. ... An electric boiler heats water using electricity and circulates that warm water through radiators or underfloor heating pipes. ... This is often when there''s no storage heating, heat pump or mains …
Heat pipe-based radiator for low grade geothermal energy conversion in domestic space heating ... Heat pipe technology has proven track records in space technology [5,6], thermal storage [7,8], harnessing of …
This paper reviews the use of heat pipes in conventional and rapid response PCM and liquid or cold storage applications and introduces some novel …
As an efficient heat exchanger, heat pipe is widely used in nuclear reactor cooling [24], [28], electronic device CPU cooling [21], building cooling water system [3], solar energy utilization [19], [28], [19], [19], etc. [7] used heat pipe collector/evaporator as another heat source in a vapor compression heat pump, an experimental set-up was ...
The weight of radiator affects the launch weight of spacecraft and the feasibility of engineering development. Heat pipe radiator is widely used in space heat emission because of its strong ...
The National Aeronautics and Space Administration has been life testing titanium-water heat pipes as well as evaluating several heat pipe radiator designs. The testing includes thermal modeling and verification of model, material compatibility, frozen startup of heat pipe radiators, and simulating low-gravity environments.
A solar prosumer house example is given addressing the three prongs with a heat pipe radiator system, next-generation solar PVT panels on the roof, and heat …
An experimental room with a thermosyphon heat pipe radiator was constructed similar to that is given in Fig. 1.The radiator consisted of a set of thermosyphon heat pipes made of 48 copper tubes which the operating parameters of thermosyphon heat pipe are shown in Table 1 s condenser section was attached with an aluminium sheet …
1. Introduction. Thermal energy transport and conversion play a very significant role in more than 90% of energy technologies [1].This has recently attracted increasing interest related to thermal applications such as space and water heating, waste heat utilization, cooling and air conditioning [2].What appears to be going on today is the …
The heat pipes are two-phase flow passive and reliable devices that transfer heat effectively and are vastly utilized in thermal systems. A summary of experimental and numerical studies related to advanced technologies of applications of heat pipes and thermosiphons is offered in this review. This paper focused mainly on the …
Heat pipe based cold energy storage systems for datacenter energy conservation. Energy, 36 (5) (2011), pp. 2802-2811. View PDF View article View in Scopus Google Scholar [7] W. Wu, G. Zhang, X. Ke, X. Yang, Z. Wang, C. Liu. Preparation and thermal conductivity enhancement of composite phase change materials for electronic …
High temperature latent heat thermal energy storage using heat pipes. Int J Heat Mass Transf, 53 (2010), pp. 2979-2988. View PDF View article View in Scopus Google Scholar [39] K. Nithyanandam, R. Pitchumani. Analysis and optimization of a latent thermal energy storage system with embedded heat pipes.
DOI: 10.1016/J.ANUCENE.2016.07.007 Corpus ID: 114532575; Preliminary design and thermal analysis of a liquid metal heat pipe radiator for TOPAZ-II power system @article{Zhang2016PreliminaryDA, title={Preliminary design and thermal analysis of a liquid metal heat pipe radiator for TOPAZ-II power system}, author={Wenwen Zhang and …
A high-temperature, deployable, membrane-heat-pipe radiator element has been demonstrated. Membrane heat pipes offer the potential for compact storage, ease of transportation, self-deployment, and a high specific radiator performance (kg/kW) for use in thermal rejection systems of space nuclear power plants. A demonstration heat pipe 8 …
Roy [9] and Arslanturk [10] etc. established a mathematical model on heat pipe radiator with energy storage and tunable conductivity, respectively. The efficiency of the radiation fin was examined ...
The circulating fluid temperature and space equivalent heat sink temperature were investigated on the influence of the heat pipe radiator cooling capacity. Roy [9] and Arslanturk [10] etc. established a mathematical model on heat pipe radiator with energy storage and tunable conductivity, respectively.
The heat pipe radiator directly driven by heat pump heating system has the advantages of fast heat transfer and high energy efficiency. Based on the empirical heat transfer …
Thermochemical heat storage is a technology under development with potentially high-energy densities. The binding energy of a working pair, for example, a hydrating salt and water, is used for thermal …
Oscillating Heat Pipe Applications (device-level) CPU, GPU, LED, laser diode, and microchip device-level cooling (board-level) Servers, rugged computers, radio frequency (RF) modules, and board-level cooling (system-level) Aerospace and terrestrial vehicle radiators and system-level heat exchangers. Energy storage and Lithium-ion battery …
DOI: 10.1016/j.est.2020.101528 Corpus ID: 225467610; CFD modeling of a thermal energy storage based heat pipe evacuated tube solar collector @article{Pawar2020CFDMO, title={CFD modeling of a thermal energy storage based heat pipe evacuated tube solar collector}, author={Vivek R. Pawar and Sarvenaz Sobhansarbandi}, journal={Journal of …
Downloadable (with restrictions)! This article presents an integrated collector–storage solar air heater (ICSSAH) based on lap joint-type (LJT) flat micro-heat pipe arrays (FMHPA) and latent thermal storage (LTS). FMHPA for thermal collection and for thermal storage/release were separated and overlapped. The discharging process is not affected by the length of …
The single-tank latent heat thermal energy storage (LHTES) of solar energy mainly consists of two modules: the first one is the phase change material (PCM) module heated by solar energy; the second is a module of heat transfer between melted PCM and the user''s low-temperature water. This paper mainly focuses on the former …
A novel solar energy storage heating radiator (SESHR) prototype filled with low-temperature phase change material (PCM) has been developed to accommodate the urgent demand in thermal storage and the fluctuation in renewable energy utilization. This equipment integrated by several independent heat storage units (HSUs) and water …
A heat-pipe-based multimode thermal rectifier, easily scalable for advanced thermal energy management in industrial applications (e.g., waste heat recovery, solar energy application and building ...
A prototype heat pipe radiator was fabricated in-house and is shown in Fig. 6. It is the physical embodiment of what is depicted in Fig. 1. The convector consists of six water charged heat pipes of 55.6 cm length and 27.4 cm diameter. The interior of the heat pipes are lined with three wraps of MESH145 copper screen mesh.
This study aims to present a novel thermal energy storage integrated evacuated tube heat pipe solar air heater suitable for high-temperature applications. A …
Your other exposed indoor pipes transfer hot water around your home, so pipe insulation helps reduce heat loss from the pipes. This can save you around £6 (£6 in NI) a year on your energy bills.* * …
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