... purpose of this research was to evaluate the mass fuel burnt, emissions, and performance properties of biodiesel made from non-edible karanja oil along with hydrogen and nanoparticles in a standard diesel engine. Upon experimental evaluation, it was determined that the transesterified karanja oil retained...

... of the unit of cogeneration—(a) scenario 1, (b) scenario 2, and (c) scenario 3 In the final analysis, the results for the gray hydrogen-powered PEMFC, i.e., deriving from the process of steam reforming of methane, will be presented below. Compared to other technologies, the analysis will be limited...

...Van Ga Bui; Thi Minh Tu Bui; Anh Tuan Hoang; Sandro Nižetić; Thanh Xuan Nguyen Thi; Anh Vu Vo This paper presents a comparative study on combustion and emissions of hydrogen-enriched biogas premixed charge direct injection dual-fuel (DIDF) engine and indirect injection dual-fuel (IDIDF) engine...

...Saket Verma; Kuldeep Kumar; L. M. Das; S. C. Kaushik In the present work, hydrogen enrichment in biogas is studied as a potential approach to improve the performance and emission features of a biodiesel-biogas dual fuel engine. A single-cylinder diesel engine is modified to operate in dual fuel...

... trigeneration system, a two-stage Rankine cycle that operates on the inherent temperature difference along the depth of the ocean is used for power production, along with an electrolytic cation exchange membrane (ECEM) reactor for carbon dioxide and hydrogen production to feed the methanol production system...

...Yunfei Yan; Kaiming Shen; Yu Cui; Ziqiang He; Li Zhang; Zhongqing Yang; Jingyu Ran Effects of controllable vortex slotted bluff body parameters (position of a bluff body, slit size, and controllable flow ratio) on the combustion characteristics of hydrogen/air in a micro-combustor with a bluff body...

...Magd N. DinAli; Ibrahim Dincer A new renewable energy based dimethyl-ether (DME) production system is proposed in this paper. The DME is then produced through the indirect synthesis method where methanol is produced first through carbon hydrogenation process, then methanol derived to a process...

... scenarios extend to fuel cell technologies and microgrids for reliable power supply. fuel cell hydrogen backup power microgrid grid service cell tower Clean and efficient fuel cell power systems have shown great potential as an alternative power supply technology for distributed energy...

...Andrew W. McClaine; Kenneth Brown; David D. G. Bowen By storing hydrogen in an oil-based slurry with powdered magnesium hydride, inexpensive and safe hydrogen storage can be realized. This paper describes the characteristics and benefits of cycling hydrogen in and out of magnesium hydride slurry...

...M. Shahid; Noriah Bidin; Yacoob Mat; M. Inayat ullah The production and escalation of hydrogen on a large scale is a goal toward the upheaval of green and cheap energy. During the last decades, many methods have been espoused to produce more hydrogen fuel. Right now hydrogen is hauled out from...

... for downdraft syngas. This result is endorsed to the higher heat value, lower dilution and higher volume percentage of hydrogen in the downdraft syngas. Spherically propagating flames are subjected to the flame stretch due to curvature of the flame front. Its burning velocity varies accompanied...

...Michela Vellini; Jacopo Tonziello Hydrogen technology is becoming ever more relevant because hydrogen use can help in containing greenhouse gas emission if CO 2 capture and storage technologies are implemented in the hydrogen production pathway (when hydrogen is produced from fossil fuels...

... carbon compounds chemically reactive flow flames gas mixtures hydrogen laminar flow nitrogen syngas syngas burning velocity Some of the critical key technology goals for the U.S. Department of Energy’s advanced power plant program are to attain NO x emission below 2 ppm...

... of the anodes to carbon monoxide and hydrogen, and electrochemical oxidation of the mixture with oxygen. Water is pumped (device 11), evaporated (device 9), and superheated in a heat exchanger (device 8) before mixing with the methane. Air is compressed (device 4), heated (device 6), and passed...

...Nesrin Ozalp This paper gives a representative energy process-step model of hydrogen production in the U.S. Chemical Industry based on federal data. There have been prior efforts to create energy process-step models for other industries. However, among all manufacturing industries, creating energy...

... nitrogen, water vapor, hydrogen, and mixture of nitrogen and water vapor. Other conditions are 2–11 mm particle size, 1 atm operating pressure, and 410 – 550 ° C temperature range. The sulfur content of shale oil was found to be 12 wt % for hydrogen pyrolysis, while water vapor at 1 atm decreased...

... Institute, Gottingen, Germany before joining SPIC Science Foundation. He has been working on the Hydrogen Technology Development for nearly 15 years, specifically on developing PEM Fuel Cell in India. Presently he heads the Center for Fuel Cell Technology, Unit of Advanced Research Center International...

...K. Chitose; M. Okamoto; K. Takeno; K. Hayashi; M. Hishida It is planned to use hydrogen extensively as a source of clean energy in the new century. As part of our investigation for an International Clean Energy Network Using Hydrogen Conversion (WE-NET), we have been studying to establish a safety...

... using natural gas as the primary energy source. Hydrogen spark ignition, all-electric battery-powered, and methanol fuel cell vehicles rank lowest in well-to-wheel efficiency because of their poor fuel production efficiencies. The authors would like to thank Dr. Frank Stodolsky, Dr. Linda Gaines...

... model and fuel cell system model have been integrated into a vehicle performance simulator that determines fuel economy and other performance features. Fuel cell vehicle fuel economy using on-board methanol reforming is compared with fuel economy using direct-hydrogen fueling. The overall performance...