American Journal of Engineering Research and Reviews


Masses of celestial bodies

Research Article of American Journal of Engineering Research and Reviews Masses of celestial bodies A. S. Orlov, S. A. Orlov SPGU, PGU The calculation of the masses of celestial bodies based on the theory of vortex gravity, cosmology and cosmogony is proposed. The actual values of the masses of celestial bodies are two orders of magnitude greater than the generally accepted values. Keywords: Vortex gravity, cosmology and cosmogony. Heavenly mechanics ...

Interactive Multi-energy Complementary Island Microgrid Ecosystem

Research Article of American Journal of Engineering Research and Reviews Interactive Multi-energy Complementary Island Microgrid Ecosystem Xiaoxi Men1, Guozhu Chen2*, Ziqi Liu1, Xu Zhou1, Jiaxin Liu1 1.College of Electric & New Energy, China Three Gorges University, Yichang, 443002, China. 2.College of Hydraulic & Environmental Engineering, China Three Gorges University, Yichang, 443002, China. Reliable and stable island power supply system is an important guarantee for the development of the island. Based on the island connected to the main network by cable, this paper proposes an interactive multi-energy complementary microgrid consisting of new energy generation, electric energy interaction, electric vehicle charging and discharging, home photovoltaic system, power distribution and emergency rescue. The electricity generated by the residents themselves can be used by themselves, and the excess can be sold back to the main network. This system makes full use of the characteristics of electric vehicles energy storage and mobility and participate in grid dispatching, which can improve the popularity of new energy power generation, balance the peaks and valleys of island electricity consumption and reduce the cost of electricity for residents. Keywords: Interactive grid; New energy generation; Electricity cost; Hydropower ...

Assessing Plausible Options For Sourcing Spare Parts Of Earthmoving Equipment On The Profitability Of Nigeria’s Iron Ore Company

Research Article of American Journal of Engineering Research and Reviews Assessing Plausible Options For Sourcing Spare Parts Of Earthmoving Equipment On The Profitability Of Nigeria’s Iron Ore Company Osemenam Uchea Thomas .B. Afeni, Ph.D. Witsb, aDepartment of Economics, University of Nigeria, Enugu State. bDepartment of Mining Engineering, Federal University of Technology Akure, Ondo State. As Nigeria takes a bold step to revive her iron ore company, it is pertinent she takes adequate account of her economic and technological limitations, in order to achieve a return on this venture. To this end, the Net Discounted Present Value approach to investment appraisal in mine economics, was employed to evaluate two feasible investment options (spare part importation and conventional sand casting) for sourcing parts of earthmoving equipment on the profitability of Nigeria’s iron ore mining company (NIOMCO),over a period of five years. Findings revealed that, both options are not profitable to the federal entity, owing to the high rate of Nigeria’s inflation (15.98%) and unfavorable market exchange rate of $1 to 359.201. However, it recommends that the entity be privatized to financially buoyant investors, able to withstand the cost of operating the company. Also, a new price has to be set, using the absorption pricing technique, in order to absorb running costs, through the projected period of five years. In addition, no additional unit of labour, be employed, due to its evident burden on running expenses, over the projected period of five years. Unfortunately, selling iron ore concentrate at the prevailing market price ($62.59) was found not to be profitable to the entity. To this effect, the design of modalities aimed at penetrating and coping in the domestic market is a necessity, to enhance the entity’s sustainability, in the short-run. This is subject to further research. Keywords: Iron ore, Spare parts, Earthmoving, Equipment, ...

Gravitation Flat Power Field

Research Article of American Journal of Engineering Research and Reviews Gravitation - Flat Power Field S.A. Orlov A new principle of origin and the nature of the action of gravity forces are proposed. Forces of universal attraction have plane-symmetrical directions. On this basis, it becomes possible to reconsider certain regularities in natural science. The new principle of gravitation will allow to explain physical paradoxes, to improve methods of scientific research and some technological processes. Keywords: Theory vortex gravitation, cosmology and cosmogony. Celestial mechanics ...

Dr. Harish Nagar
Associate Professor, School of Basic and Applied Sciences, Sangam University

Dr. HASAN DİLBAS
Yildiz Technical University Civil Engineering Faculty Civil Engineering Department Construction Materials Division

Dr. Suat SARIDEMİR
Associate Professor, Düzce University, Faculty of Technology, Department of Mechanical and Manufacturing Engineering

Dr. Klodian Gumeni
Tirana Polytechnic University

Dr. Rifat Reşatoğlu
Assistant Professor, Near East University

Dr. Parveen Sharma
Assistant Professor, School of Mechanical Engineering, Lovely Professional University

Dr. Klodian Dhoska
Engineering School, Canadian Institute of Technology, Zayed Center, Rr. Andon Zako Çajupi,Tirana, Albania

Dr. ABHISHEK SHUKLA
Assistant Professor, R.D. Engineering College Technical Campus, Ghaziabad

Dr Viraj H Mankar
Assistant Professor, Lovely Professional University

Dr. Menderes KAM
Assistant Professor, Düzce University, Dr. Engin PAK Cumayeri Vocational School, Department of Machinery and Metal Technology

Dr. Turgay KIVAK
Associate Professor, Duzce University

Dr. Praveen Kumar Sharma
Associate Professor, Department of Chemistry, Lovely Professional University

Dr. Er. Sitesh Kumar Singh
Assistant Professor and Head, Department of Civil Engineering, Career Point University

Dr. Eng.Ahmed Kadhim Hussein
Assistant Professor, Department of Mechanical Engineering, College of Engineering, University of Babylon

Dr. Kuntal Barua
Assistant Professor, Computer Science & Engineering, SANGAM UNIVERSITY

Dr. Rajeev Rathi
Assistant Professor, School of Mechanical Engineering, Lovely Professional University

Dr. Mustafa DURSUN
Assistant Professor, Teknoloji Fakültesi Elektrik-Elektronik Müh. Düzce Üniversitesi

Dr. Fuat KARA
Assistant Professor, Department of Mechanical and Manufacturing Engineering, Faculty of Technology, University of Duzce

Dr.T.Ramakrishnan
Assistant Professor, Department of Mechanical Engineering, Sri Eshwar college of Engineering

Dr. Engin NAS
Associate Professor, Duzce University

Dr. Denis Askushaj
Department of Physics Engineering, Faculty of Mathematics Engineering and Physics Engineering, Polytechnic University of Tirana, Albania

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American Journal of Engineering Research and Reviews

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