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Surface and bulk properties of ballistic deposition models with bond breaking

Oliveira Filho, Juvenil S.; Oliveira, Tiago J.; Redinz, … - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 10, pp. 2479-2486

porosity P of the deposits scales as P∼py−δ for small values of p. This general scaling relation is confirmed by our numerical …

Persistent link: https://www.econbiz.de/10011062793

Density profiles of hard spheres in a cylinder filled with disordered matrix: application of the Born–Green–Yvon equation

Duda, Yu; Patrykiejew, A; Pizio, O; Sokołowski, S - In: Physica A: Statistical Mechanics and its Applications 265 (1999) 3, pp. 424-431

Local densities of a hard sphere fluid in a cylindrical pore filled with quenched disordered hard-sphere matrix are calculated using Born–Green–Yvon equation with Fisher–Methfessel approximation. The solution of replica Ornstein–Zernike equation in the Percus–Yevick approximation for a...

Persistent link: https://www.econbiz.de/10011063013

Blazing Netshine on the value network: The processes of Internet public relations management

Phillips, David - In: Journal of Communication Management 5 (2001) 2, pp. 189-206

The Internet is a multi‐channel distributor of data, information and knowledge. Information has value. It is becoming a separate entity to people and artefacts and is taking on the mantle of a commodity. Information affects the value chain and, in the network of networks known as the Internet,...

Persistent link: https://www.econbiz.de/10014850668

Thermodynamic analysis of a Stirling engine including dead volumes of hot space, cold space and regenerator

Kongtragool, Bancha; Wongwises, Somchai - In: Renewable Energy 31 (2006) 3, pp. 345-359

is developed for an imperfect regeneration Stirling engine with dead volumes of hot space, cold space and regenerator … that the regenerator effective temperature is an arithmetic mean of the heater and cooler temperature. Numerical simulation … is performed and the effects of the regenerator effectiveness and dead volumes are studied. Results from this study …

Persistent link: https://www.econbiz.de/10010805534

Optimum absorber temperature of a once-reflecting full conical concentrator of a low temperature differential Stirling engine

Kongtragool, Bancha; Wongwises, Somchai - In: Renewable Energy 30 (2005) 11, pp. 1671-1687

This paper provides a theoretical investigation on the optimum absorber temperature of a once-reflecting full conical concentrator for maximizing overall efficiency of a solar-powered low temperature differential Stirling engine. A mathematical model for the overall efficiency of the...

Persistent link: https://www.econbiz.de/10010805827

Investigation on power output of the gamma-configuration low temperature differential Stirling engines

Kongtragool, Bancha; Wongwises, Somchai - In: Renewable Energy 30 (2005) 3, pp. 465-476

This paper provides a study on power output determination of a gamma-configuration, low temperature differential Stirling engine. The former works on the calculation of Stirling engine power output are discussed. Results from this study indicate that the mean pressure power formula is most...

Persistent link: https://www.econbiz.de/10010806112

Numerical model for predicting thermodynamic cycle and thermal efficiency of a beta-type Stirling engine with rhombic-drive mechanism

Cheng, Chin-Hsiang; Yu, Ying-Ju - In: Renewable Energy 35 (2010) 11, pp. 2590-2601

This study is aimed at development of a numerical model for a beta-type Stirling engine with rhombic-drive mechanism. By taking into account the non-isothermal effects, the effectiveness of the regenerative channel, and the thermal resistance of the heating head, the energy equations for the...

Persistent link: https://www.econbiz.de/10010806838

Zero dimensional finite-time thermodynamic, three zones numerical model of a generic Stirling and its experimental validation

Bert, Juliette; Chrenko, Daniela; Sophy, Tonino; Le … - In: Renewable Energy 47 (2012) C, pp. 167-174

A novel zero dimensional finite-time thermodynamic, three zones (compression, expansion and regenerator volumes) model …. Parametric studies and optimization of the engine are facilitated due to easy change of multiple engine parameters. Experimental …

Persistent link: https://www.econbiz.de/10010806880

Technical and economical evaluation of solar thermal power generation

Tsoutsos, Theocharis; Gekas, Vasilis; Marketaki, Katerina - In: Renewable Energy 28 (2003) 6, pp. 873-886

This article presents a feasibilty on a solar power system based on the Stirling dish (SD) technology, reviews and compares the available Stirling engines in the perspective of a solar Stirling system.

Persistent link: https://www.econbiz.de/10010806956

Energy system feasibility study of an Otto cycle/Stirling cycle hybrid automotive engine

Cullen, Barry; McGovern, Jim - In: Energy 35 (2010) 2, pp. 1017-1023

The aim of this study was to investigate the feasibility of utilising a Stirling cycle engine as an exhaust gas waste heat recovery device for an Otto cycle internal combustion engine (ICE) in the context of an automotive power plant. The hybrid arrangement would produce increased brake power...

Persistent link: https://www.econbiz.de/10010808051