New principles of power and energy rate of incremental rate type for generalized continuum field theories

2001 ◽  
Vol 22 (12) ◽  
pp. 1383-1389 ◽  
Author(s):  
Dai Tian-min
2020 ◽  
Vol 27 (4) ◽  
pp. 114-120
Author(s):  
Suaad danok ◽  
Kamal Twfek ◽  
Esraa Mansour

This research depends on carrying out an applied and numerical analysis for capability to utilize winds turbines which considered as means of renewable and friendly energy to environment, and how to make use of this technology to generate electric energy in Kirkuk city. Where it was studied shifting kinetic energy of winds into mechanic energy and has been accomplishes install a horizontal-turbine in one of work sites in Kirkuk city of (16m) height of the ground level. It has tri-blades of (400W) power. It has been connected to an electric system supply designed and manufacture during the research period. In order to measure the voltage-difference and electric current consequently to measure the power and energy produced from the wind turbine and changed according to the wind speed alteration. Gauge records for two time seasons are taken by using the technology-programming of delicate controller in simultaneous work with meteorological system, so that it can set data-principle to be analyzed by using (MATLAB) program to find and check theoretical generated power compared with practical results and find the range of validity to generate the sufficient energy for domestic consumption. The results shows that summer season is better than winter season in using wind turbine in Kirkuk city. As the monthly energy rate produce during summer season has emerged to ten-time than monthly energy rate produced during winter season.


1990 ◽  
Vol 199 (1) ◽  
pp. 1-17 ◽  
Author(s):  
A.I Karanikas ◽  
C.N Ktorides

2019 ◽  
Vol 67 (10) ◽  
pp. 1900038 ◽  
Author(s):  
Jordan Cotler ◽  
M. Reza Mohammadi Mozaffar ◽  
Ali Mollabashi ◽  
Ali Naseh

2021 ◽  
Vol 10 (2) ◽  
Author(s):  
Nathan Seiberg ◽  
Shu-Heng Shao

We discuss nonstandard continuum quantum field theories in 2+1 dimensions. They exhibit exotic global symmetries, a subtle spectrum of charged excitations, and dualities similar to dualities of systems in 1+1 dimensions. These continuum models represent the low-energy limits of certain known lattice systems. One key aspect of these continuum field theories is the important role played by discontinuous field configurations. In two companion papers, we will present 3+1-dimensional versions of these systems. In particular, we will discuss continuum quantum field theories of some models of fractons.


1983 ◽  
Vol 131 (4-6) ◽  
pp. 396-398 ◽  
Author(s):  
A. González-Arroyo ◽  
C.P. Korthals Altes

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