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Numerical weather prediction (NWP) and hybrid ARMA/ANN model to predict global radiation

Voyant, Cyril; Muselli, Marc; Paoli, Christophe; Nivet, … - In: Energy 39 (2012) 1, pp. 341-355

We propose in this paper an original technique to predict global radiation using a hybrid ARMA/ANN model and data … models for all the places. The nRMSE for our hybrid model MLP/ARMA is 14.9% compared to 26.2% for the naïve persistence …

Persistent link: https://www.econbiz.de/10011053431

Economic analysis of a small-scale hybrid air HDH–SSF (humidification and dehumidification–water flashing evaporation) desalination plant

Kabeel, A.E.; Elmaaty, Talal Abou; El-Said, Emad M.S. - In: Energy 53 (2013) C, pp. 306-311

evaporation process. The economic analysis was performed and compared for two different operating modes, the hybrid mode and the … economic parameters. The two modes of desalinations; hybrid mode and separated mode, are modeled, simulated and compared … Egypt, the estimated cost of the generated potable water by the hybrid system was 8.6 US$/m3, while that value was reached 9 …

Persistent link: https://www.econbiz.de/10011053604

Stochastic Valuation of Hybrid Rice Technology in Arkansas

Lyman, Nathaniel; Nalley, Lawton Lanier - Southern Agricultural Economics Association - SAEA - 2013

Despite the rapid producer adoption of hybrid rice (Oryza sativa L.) in recent years, the economic advantage of hybrid … popularly sown hybrid rice varieties: XL723, Clearfield® (CL) XL729, and CL XL745; and eight conventional rice varieties … returns and net return variance (risk) across hybrid and conventional varieties. Just-Pope estimation results indicate that …

Persistent link: https://www.econbiz.de/10011069908

A Hybrid Approach to Estimating the Efficiency of Public Spending on Education in Emerging and Developing Economies

Grigoli, Francesco - In: Applied Economics and Finance 2 (2015) 1, pp. 19-32

proven challenging. This paper seeks to overcome the difficulties of earlier studies by using a hybrid approach to measure …

Persistent link: https://www.econbiz.de/10011163337

Renégociation des contrats de défense : le rôle des aspects informels

Oudot, Jean-Michel - In: Innovations n° 42 (2013) 3, pp. 59-83

Persistent link: https://www.econbiz.de/10011187351

Design and thermal performance evaluation of a novel solar air heater

Saxena, Abhishek; Srivastava, Ghanshyam; Tirth, Vineet - In: Renewable Energy 77 (2015) C, pp. 501-511

In the present scenario, numerous applications perform on solar energy for cooking, heating and cooling, and power generation, globally. Solar air heaters are one of these applications purposely used for, drying, timber seasoning and space heating. In the present work, a solar air heater (SAH)...

Persistent link: https://www.econbiz.de/10011189918

A review on the methods for biomass to energy conversion systems design

Yılmaz, Sebnem; Selim, Hasan - In: Renewable and Sustainable Energy Reviews 25 (2013) C, pp. 420-430

energy systems, the studies about design of biomass to energy conversion systems and the studies about design of hybrid …

Persistent link: https://www.econbiz.de/10011190561

Demand for maize hybrids, seed subsidies, and seed decisionmakers in Zambia

Smale, Melinda; Mason, Nicole - International Food Policy Research Institute (IFPRI) - 2012

-generation (F1) hybrid maize seed in Zambia based on a survey of maize growers during the 2010/11 cropping season. We estimate the … subsidy receipt and compare determinants of demand between female and male seed decisionmakers. We find that hybrid seed use …

Persistent link: https://www.econbiz.de/10011132751

Online Graphing Activity for Principles of Economics Courses

Harmon, Oskar R.; Lambrinos, James - Department of Economics, University of Connecticut - 2010

This paper describes how an online drawing program and bulletin board are used to create active learning activities for a principles of economics class. In the activity the student downloads an initial diagram that sets up a textbook principles scenario. The student uses an image-editing program...

Persistent link: https://www.econbiz.de/10008777406

Hybrid adsorption cooling systems–An overview

Askalany, Ahmed A.; Saha, Bidyut B.; Kariya, Keishi; … - In: Renewable and Sustainable Energy Reviews 16 (2012) 8, pp. 5787-5801

With sharp rising global energy demand posing a rapid development in sustainable cooling systems is required. Hybrid … adsorption cooling cycle is considered as one of the sustainable cooling systems. The present study introduces a survey of hybrid … adsorption cooling systems in order to stand on its fact and clarify the future trend. The survey sectioned the hybrid adsorption …

Persistent link: https://www.econbiz.de/10010580691