THEORETICAL APPROACH TO THE PERFORMANCE ANALYSIS OF A LOW-SPECIFIC SPEED PUMP AS TURBINE BASED ON HYDRAULIC LOSSES

License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properlycited.1. INTRODUCTIONUltra-wideband (UWB) technology is characterized by rel-ative bandwidths larger than 20% and absolute bandwidthsof more than 500 MHz. These wide ba[r]

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ANALYSIS AND PERFORMANCE The principle of operation of reluctance synchronous machines RSMs is based on existence of variable reluctance in the air gap of the machine, high reluctance in[r]

scientific management principles: 1) specify the methods to complete each task;2) recruitment and training of workers; 3) essential cooperation betweenemployers and employees; 4) duties of the employer to make plan and duties ofthe employee to do plan[r]

IntroductionUnlike the neoclassical theory of investment, the literature based on asymmetric information emphasizes the role played by moral hazard and adverse selection problemsin a firm’s decision to invest in physical and human capital. A[r]

the boiler feedwater system. b) Receive the boiler feed pump recirculation. c) Provide the boiler feed pumps with the required net positivesuction head. d) Receive water from the condensate system and provide surge capacityin the storage tank. e) Prov[r]

to better performance of the joint equalization comparedto the LLR combining used for the BID scheme. It is truethat the used channel has a large channel memory whichmay attain more than 100 symbol periods, but it has adecreasing power-delay pr[r]

matter physics and physics education research. Dr. Jewett is the author of The World of Physics: Mysteries, Magic, and Myth,which provides many connections between physics and everyday experiences. In addition to his work as the coauthorfor Physics fo[r]

be found in the handbook on Thermodynamics, Heat Transfer, and Fluid Flow.ME-03 Rev. 0Page 14Pumps DOE-HDBK-1018/1-93 CENTRIFUGAL PUMP OPERATIONCentrifugal Pump ProtectionA centrifugal pump is dead-headed when it is operated with no flow through it, for example, wi[r]

© 2012 Kim et al; licensee Springer. This is an Open Access article distributed under the terms of the Creative Commons AttributionLicense (http://creative commons.org/lic enses/by/2.0), which permits unrestricted use, distrib ution, and reproduction in any medium,provided th[r]

7. Brabec CJ, Padinger F, Hummelen JC, Janssen RAJ, Sariciftc NS: Realizationof large area flexible fullerene-conjugated polymer photocells: a routeto plastic solar cells. Synth Met 1999, 102:861-864.8. Yu G, Heeger AJ: Charge separation and photovoltaic conversion inpolymer composites with i[r]

debulking for metastatic thoracic and lumbar spine disease.Limitations of the technique. Spine 1988, 13:1383-94.8. Karnofsky DA: Clinical evaluation of anticancer drugs: cancerchemotherapy. Gann Monogr 1967, 2:223-31.9. Tokuhashi Y, Matsuzaki H, Oda H, Oshima M, Ryu J: A[r]

cells by antisense oligonucleotides inhibits induction of inter-cellular adhesion molecule 1 (ICAM-1) mRNA by phorbol esters.J. Biol. Chem. 269, 16416–16424.9. Sohail, M. & Southern, E.M. (2000) Selecting optimal antisensereagents. Adv. Drug Deliv. Rev. 44, 23–34.10. Commandeur, J.N.M[r]

If the outlet pressure of each pump station which has been determined during the first operation is taken as a hard constraint when the second optimization is performed, at the same time[r]

Equitization is the sole method of state-owned enterprise reform in Vietnam. This paper analyzes the results of a survey on the performance of equitized enterprises. Its findings clarify the causes of pre- and post-equitization differences and the impact of ownership structure on the performance of[r]

being simple in concept and easy in implementation, whileovercomes the drawback of low efficiency. It should benoted that its validity and reasonable level of accuracy aregenerally limited to cases where only small changes havebeen introduced into a design.2.[r]

As is already mentioned, the resulting align-ments are 1 : n (shown in the upper figure inFigure 1). For DE-EN News Commentary cor-pus, most of the alignments fall in either 1:1 map-ping or NULL mappings whereas small numbersare 1:2 mappings and miniscule numbers ar[r]

The dissertation aims at clarifying theoretical perquisites on residential LUR donation and the law on residential LUR donation. On such theoretical foundation, provisions of the positive law as well as the practice of enforcing the law on residential LUR donation are studied in order to find a dial[r]

last formulation due to Max Planck goes back to Robert Clausius (seeabove).1At the same time he recognized that it is not easy to prove thesecond law in a statistical-physical way. This is possible, but only usingstochastic methods.2Work done on a closed system, δ<[r]