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The phase separation concept condensation heat transfer in horizontal tubes for low-grade energy utilization

Xie, Jian; Xu, Jinliang; Xing, Feng; Wang, Zixuan; Liu, Huan - In: Energy 69 (2014) C, pp. 787-800

This paper reports condensation heat transfer in a horizontal tube with a 14.81 mm inside diameter and a 1200 mm heat … the vapor mass fluxes, Gxin, for the condensation flow along the whole tube length. A pressure analysis explained the …

Persistent link: https://www.econbiz.de/10011053625

Phase Distribution and Phase Correlation of Financial Time Series

Wu, Ming-Chya; Huang, Ming-Chang; Yu, Hai-Chin; Chiang, … - EconWPA - 2005

Scaling, phase distribution and phase correlation of financial time series are investigated based on the Dow Jones Industry Average (DJIA) and NASDAQ 10-minute intraday data for a period from Aug. 1 1997 to Dec. 31 2003. The returns of the two indices are shown to have nice scaling behaviors and...

Persistent link: https://www.econbiz.de/10005413166

The Effects of Air Permeability, Background Ventilation and Lifestyle on Energy Performance, Indoor Air Quality and Risk of Condensation in Domestic Buildings

Hashemi, Arman; Khatami, Narguess - In: Sustainability 7 (2015) 4, pp. 4022-4034

more airtight may result in lower rates of natural ventilation which may in turn increase the risks of condensation and …’ lifestyles on the energy performance as well as the risk of condensation and CO<sub>2</sub> concentration in domestic buildings … risk of condensation. …

Persistent link: https://www.econbiz.de/10011245984

Statics and kinetics at the nematic-isotropic interface in porous media

Popa-Nita, V. - In: The European Physical Journal B - Condensed Matter and … 12 (1999) 1, pp. 83-90

Persistent link: https://www.econbiz.de/10009325085

Adsorption and spreading of polymers at plane interfaces; theory and molecular dynamics simulations

Eijk, M.C.P. van; Stuart, M.A. Cohen; Rovillard, S.; … - In: The European Physical Journal B - Condensed Matter and … 1 (1998) 2, pp. 233-244

Persistent link: https://www.econbiz.de/10009280732

Analysis of optimization in an OTEC plant using organic Rankine cycle

Yang, Min-Hsiung; Yeh, Rong-Hua - In: Renewable Energy 68 (2014) C, pp. 25-34

This study quantified the effects of evaporation temperature, condensation temperature, and the inlet- and outlet … fluids. The optimal evaporation and condensation temperatures were obtained under various conditions for maximal objective …

Persistent link: https://www.econbiz.de/10010803727

Experimental validation of the distillation module of a desalination station using the SMCEC principle

Bacha, H. Ben; Damak, T.; Bouzguenda, M.; Maalej, A.Y. - In: Renewable Energy 28 (2003) 15, pp. 2335-2354

, currently operating in Sfax, Tunisia. The desalination process is based on the Solar Multiple Condensation Evaporation Cycle …

Persistent link: https://www.econbiz.de/10010805787

Modeling the Liquid Water Transport in the Gas Diffusion Layer for Polymer Electrolyte Membrane Fuel Cells Using a Water Path Network

Alink, Robert; Gerteisen, Dietmar - In: Energies 6 (2013) 9, pp. 4508-4530

breakthrough reveals that the porosity is not a crucial factor for the limiting current density. An algorithm for condensation is …

Persistent link: https://www.econbiz.de/10010690515

An overview of the effect of lubricant on the heat transfer performance on conventional refrigerants and natural refrigerant R-744

Wang, Chi-Chuan; Hafner, Armin; Kuo, Cheng-Shu; Hsieh, … - In: Renewable and Sustainable Energy Reviews 16 (2012) 7, pp. 5071-5086

, convective boiling, shell side condensation, forced convective condensation, and gas cooling, for conventional refrigerants and … like. For the condensation, it is more well accepted that the presence of lubricant normally will impair the heat transfer …

Persistent link: https://www.econbiz.de/10010664546

Solar energy availability in greenhouses as affected by condensation on cladding materials

Pollet, I.V.; Thoen, F.P.; Pieters, J.G. - In: Renewable Energy 16 (1999) 1, pp. 769-772

To investigate the solar radiation transmission through cladding materials covered with condensation on their inner … polyethylene films covered with condensation without and with runoff for several incidence angles in the horizontal plane using … perpendicularly polarized radiation. It was observed that condensation on a glass plate slightly decreased the solar radiation …

Persistent link: https://www.econbiz.de/10011045105