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Copper–water loop heat pipes for energy-efficient cooling systems of supercomputers

Chernysheva, M.A.; Yushakova, S.I.; Maydanik, Yu.F. - In: Energy 69 (2014) C, pp. 534-542

An implementation of a cooling system with a loop heat pipe for thermal control of supercomputers is considered. For this purpose two copper–water loop heat pipes (LHPs) with an effective length of 400 mm and ID/OD diameters of the vapor lines of 3/4 and 4/5 mm correspondingly were designed...

Persistent link: https://www.econbiz.de/10011053795

Review of cold storage materials for subzero applications

Li, Gang; Hwang, Yunho; Radermacher, Reinhard; Chun, Ho-Hwan - In: Energy 51 (2013) C, pp. 1-17

the type of a storage medium and the way of the storage medium is used, phase change material (PCM) storage and sorption …

Persistent link: https://www.econbiz.de/10010810525

Evaluation of a three-phase sorption cycle for thermal energy storage

Yu, N.; Wang, R.Z.; Lu, Z.S.; Wang, L.W.; Ishugah, T.F. - In: Energy 67 (2014) C, pp. 468-478

In recent years, sorption processes are increasingly gaining attention in the field of TES (thermal energy storage … novel three-phase sorption cycle is proposed and evaluated for TES, to provide cold storage in summer and heat storage in …-phase sorption cycle can be a promising solution for TES. …

Persistent link: https://www.econbiz.de/10011053143

Performance comparison of six solar-powered air-conditioners operated in five places

Pons, M.; Anies, G.; Boudehenn, F.; Bourdoukan, P.; … - In: Energy 46 (2012) 1, pp. 471-483

Six solar-powered air-conditioners, based on four principles (LiBr + H2O liquid sorption, silicagel + water solid … sorption, BaCl2 + NH3 thermochemical reaction, and desiccant + humid air open cycles) have been operated in five places (from …

Persistent link: https://www.econbiz.de/10011054613

Experimental investigation of wraparound loop heat pipe heat exchanger used in energy efficient air handling units

Jouhara, Hussam; Meskimmon, Richard - In: Energy 35 (2010) 12, pp. 4592-4599

Building legislation along with environmental and comfort concerns are increasingly driving designers of building services and air conditioning equipment towards more energy efficient solutions. Heat pipe technology is emerging as a viable, efficient and environmentally-sound technology for...

Persistent link: https://www.econbiz.de/10010807249

Performance study and parametric analysis of a novel heat pipe PV/T system

Gang, Pei; Huide, Fu; Huijuan, Zhu; Jie, Ji - In: Energy 37 (2012) 1, pp. 384-395

A novel heat pipe photovoltaic/thermal (PV/T) system that could simultaneously supply electrical and thermal energy was proposed. Compared with a traditional water-type PV/T system, the heat pipe PV/T system can be used in cold regions without becoming frozen. A dynamic model of the heat pipe...

Persistent link: https://www.econbiz.de/10010807517

First and second laws analysis of the heat pipe/ejector refrigeration cycle

Ziapour, Behrooz M.; Abbasy, Ahad - In: Energy 35 (2010) 8, pp. 3307-3314

Integration of the heat pipe with an ejector will result in a compact and high performance system. The concept of the heat pipe/ejector refrigeration cycle is discussed, in this paper. The needed driving capillary forces are firmly established. The basic characteristics of the system, such as...

Persistent link: https://www.econbiz.de/10011053123

Heat pipe based cold energy storage systems for datacenter energy conservation

Singh, Randeep; Mochizuki, Masataka; Mashiko, Koichi; … - In: Energy 36 (2011) 5, pp. 2802-2811

In the present paper, design and economics of the novel type of thermal control system for datacenter using heat pipe based cold energy storage has been proposed and discussed. Two types of cold energy storage system namely: ice storage system and cold water storage system are explained and...

Persistent link: https://www.econbiz.de/10011053652

Experimental investigation of the effect of using thermosyphon heat pipes and vacuum glass on the performance of solar still

Jahangiri Mamouri, S.; Gholami Derami, H.; Ghiasi, M.; … - In: Energy 75 (2014) C, pp. 501-507

A desalination system consumes energy for production of freshwater. Since the solar energy is a low-cost, environmentally clean, and available energy throughout the world, it could be the best source of energy for such systems. In this work, a modified desalination system is presented which uses...

Persistent link: https://www.econbiz.de/10011055072

Optimal design of the heat pipe using TLBO (teaching–learning-based optimization) algorithm

Rao, R.V.; More, K.C. - In: Energy 80 (2015) C, pp. 535-544

Heat pipe is a highly efficient and reliable heat transfer component. It is a closed container designed to transfer a large amount of heat in system. Since the heat pipe operates on a closed two-phase cycle, the heat transfer capacity is greater than for solid conductors. Also, the thermal...

Persistent link: https://www.econbiz.de/10011190896