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A comparative study on hydrogen production from steam-glycerol reforming: thermodynamics and experimental

Chen, Haisheng; Ding, Yulong; Cong, Ngoc T.; Dou, Binlin; … - In: Renewable Energy 36 (2011) 2, pp. 779-788

A detailed comparative study on thermodynamic and experimental analyses of glycerol reforming for hydrogen production … results show that the thermodynamic and experimental data agree fairly well with each other. The measured hydrogen production is …

Persistent link: https://www.econbiz.de/10011046069

Experimental evaluation of a geothermal heat pump for space heating and domestic hot water simultaneous production

Fernández-Seara, José; Pereiro, Alejandro; Bastos, … - In: Renewable Energy 48 (2012) C, pp. 482-488

This paper deals with the experimental performance evaluation of a geothermal heat pump (GHP) intended to produce space …, water is heated at two temperature levels for the SH and DHW systems. The experimental results realize the high influence of … flow rate at the condensing section inlet and the water flow rate driven through the desuperheater. The experimental …

Persistent link: https://www.econbiz.de/10011046072

Experimental study on Organic Rankine Cycle for waste heat recovery from low-temperature flue gas

Zhou, Naijun; Wang, Xiaoyuan; Chen, Zhuo; Wang, Zhiqi - In: Energy 55 (2013) C, pp. 216-225

An experimental system for heat recovery from low-temperature flue gas based on Organic Rankine Cycle (ORC) was … the system output parameters is slight. Under the present experimental conditions, the maximum output power of the …

Persistent link: https://www.econbiz.de/10011053050

Experimental performance analysis of a direct-expansion ground source heat pump in Xiangtan, China

Yang, Wei - In: Energy 59 (2013) C, pp. 334-339

The DX GSHP (direct-expansion ground source heat pump), which uses a buried copper piping network through which refrigerant is circulated, is one type of GSHP (ground source heat pump). This study investigates the performance characteristics of a vertical U-bend direct-expansion ground source...

Persistent link: https://www.econbiz.de/10011053088

Theoretical and experimental study of mechanical losses in automotive turbochargers

Serrano, José Ramón; Olmeda, Pablo; Tiseira, Andrés; … - In: Energy 55 (2013) C, pp. 888-898

The aim of the present work is to show an approximation, through an experimental and a theoretical study, to quantify … and radial. Theoretical and experimental methodologies are presented in order to develop a mechanical losses model. The … experimental work consists on a measurement campaign in quasi-adiabatic operating conditions, while in the theoretical part, a …

Persistent link: https://www.econbiz.de/10011053673

Theoretical and experimental investigations on the changing regularity of the extreme point of the temperature difference between zeotropic mixtures and heat transfer fluid

Zheng, Nan; Song, Weidong; Zhao, Li - In: Energy 55 (2013) C, pp. 541-552

mixture to HTF. Afterwards, experimental studies on the MTD (maximum temperature difference) are carried out in a counter … selected mixture 85% R290/15% R600 has a temperature glide of 7.63 K at normal pressure. The experimental results show that the …

Persistent link: https://www.econbiz.de/10011054906

Development and comparative analysis of the modeling of an innovative finned-plate latent heat thermal energy storage system

Campos-Celador, A.; Diarce, G.; González-Pino, I.; … - In: Energy 58 (2013) C, pp. 438-447

This paper presents an innovative finned-plate latent heat thermal energy storage system for its integration in cogeneration systems. For optimization purposes it is very important to maximize the efficiency of the computational calculations. Therefore, three approaches are presented for the...

Persistent link: https://www.econbiz.de/10011055740

Letâ€™s talk: How communication affects contract design

Charness, Gary; Brandts, Jordi; Ellman, Matthew - Department of Economics, University of California-Santa … - 2012

We study experimentally how the ability to communicate affects the frequency andeffectiveness of flexible and inflexible contracts in a bilateral trade context where sellers canadjust trade quality after observing a post-contractual cost shock and a discretionary buyertransfer. In the absence of...

Persistent link: https://www.econbiz.de/10011131636

Technical Methods Report: Statistical Power for Regression Discontinuity Designs in Education Evaluations

Schochet, Peter Z. - Mathematica Policy Research - 2008

scores. The main conclusion is that three to four times larger samples are typically required under RD than experimental …

Persistent link: https://www.econbiz.de/10011101308

Performance characterization of a PCM storage tank

López-Navarro, A.; Biosca-Taronger, J.; Corberán, J.M.; … - In: Applied Energy 119 (2014) C, pp. 151-162

This paper presents the experimental results of a versatile latent heat storage tank capable of working with organic … tank. Secondly, a full experimental characterization of the performance has been carried out. The enthalpy …

Persistent link: https://www.econbiz.de/10011041418