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Nicu?or Baroiu, Virgil Gabriel Teodor, Viorel Paunoiu, Georgiana-Alexandra Moro?anu and Iona?-Catalin Dumitrescu
In most situations, for the proper design of a gerotor pump, numerous parameters must be taken into account: the pump geometry, the properties of the materials from which the pumps are made (Young?s modulus, Poisson?s coefficient, friction coefficients, ...
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Said M. Easa, Ahmed A. Lamri and Dejan Brkic
Numerous explicit approximations of the Colebrook equation have been developed and evaluated based on two criteria: prediction accuracy and computational efficiency. This paper introduces a new evaluation criterion based on the reliability of each equati...
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Ayla Ocak, Gebrail Bekdas, Sinan Melih Nigdeli, Sanghun Kim and Zong Woo Geem
This study focuses on tuned liquid dampers (TLDs) using liquids with different characteristics optimized with the adaptive harmony search algorithm (AHS). TLDs utilize the characteristic features of the liquid to absorb the dynamic forces entering the st...
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Jake W. Riedel, Eric W. Peterson, Toby J. Dogwiler and Wondwosen M. Seyoum
The flux of water through the hyporheic zone (HZ) is controlled by stream bedforms, sinuosity, surface water velocity, local water table, seasonality, and hydraulic conductivity (K) of the bed material. Dependent on both the kinematic viscosity and densi...
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Daniel Trost, Adam Polcar, Dorin Boldor, Divine Bup Nde, Artur Wolak and Vojtech Kumbár
The results are applicable in industrial practice. The models with the coefficients could be used to set a car control unit, which would be able to evaluate the exact amount of fuel needed for injection into the combustion chamber according to the curren...
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Fadong Gu, Yadong Huang and Desheng Zhang
Cavitation characteristics in the wake of a circular cylinder, which contains multiscale vortices, are numerically investigated via Large Eddy Simulation (LES) in this paper. The Reynolds number is 9500 based on the inlet velocity, the cylinder diameter ...
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Dini Kurniawati,Iis Siti Aisyah
Pág. 45 - 52
Jatropha curcas oil is a seed oil or bio-oil, which has advantages compared to others plant?s seed-oil. The advantage of this oil is due to the fact that Jatropha oil does not compete with the food sector. In this research, the potential carrier oi...
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Artur Olszak, Karol Osowski, Ireneusz Musialek, Elzbieta Rogos, Andrzej Kesy and Zbigniew Kesy
This paper presents the results of physicochemical and tribological tests of vegetable oils obtained by the supercritical fluid extraction method from berry seeds. The research was conducted by using these oils as the raw material for the biodegradable h...
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Shu-Yao Tsai, Hsiang-Yu Lin, Guan-Yi Lu, Chun-Ping Lin
Pág. 17 - 25
Chemical and enzyme transesterification were compared by discussing preliminary transesterification of waste oil of Aurantiochytrium sp., which was then used in transesterification for the primary available blend biodiesel for a general diesel engine in ...
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Zhongcheng Wang, Tatjana Paulauskiene, Jochen Uebe and Martynas Bucas
The ambitious new International Maritime Organization (IMO) strategy to reduce greenhouse gas emissions from ships will shape the future path towards the decarbonization of the fleet and will bring further ecological challenges. In order to replace the l...
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