Search results

{{Short description|Electrical test}} ...t test''' is to determine the series branch parameters of the equivalent [[Electrical network|circuit]] of a [[transformer]]. ...

...ealing (metallurgy)|annealing]] [[copper wire]] which employs a controlled electrical [[short circuit]]. It can be advantageous because it does not require a [[ ...which the wire passes across after it is drawn. The two pulleys have an [[electrical potential]] across them, which causes the wire to form a short circuit. Th ...

...& Northrup]] test instrument capable of performing Murray and Varley loop tests.]] ...t has been used for more than 100 years<ref>Latimer Clark, Robert Sabine ''Electrical tables and formulæ: for use of telegraph inspectors and operators'', E. & F ...

{{Short description|Test used in electrical engineering}} ...the methods used in [[electrical engineering]] to determine the no-load [[Electrical impedance|impedance]] in the excitation branch of a [[transformer]]. ...

...have been exposed to MFG testing have ranged from bare metal surfaces, to electrical connectors, and to complete assemblies. In regards to noble metal ...Contacts - 1991 Proceedings of the Thirty-Seventh IEEE HOLM Conference on Electrical Contacts, Chicago, IL.</ref> ...

'''Concrete electrical resistivity''' can be obtained by applying a current into the concrete and ...two electrodes attached to the ends of a uniform cross-section specimen. Electrical resistivity is obtained from the equation:<ref name="McCarter_2009"/> ...

...e]]). It determines the safety margin regarding to the standard acceptance tests either in the [[Frequency domain|frequency]] or [[time domain]]. ...al = COMPEL - the International Journal for Computation and Mathematics in Electrical and Electronic Engineering|volume = 31|issue = 2|pages = 670–681|year = 201 ...

...tages''' of three-point and four-point bending tests over uniaxial tensile tests include: ...Method for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials by Four-Point Bending ...

* <math>{\sum P}</math> is the electrical power used by the fan (or sum of all fans in the ventilation system) [kW] ...y performance calculations), SFP_v (for performance verification tests), SFP_i (individual fan), SFP_AHU (air handling unit), ...

...lowable [[temperature]] range of the local ambient environment at which an electrical or mechanical device operates. The device will operate effectively within a For electrical devices, the operating temperature may be the [[junction temperature]] (T<s ...

...ave the model builders determine validity of the model through a series of tests.<ref name ="Sargent" /> ...s.<ref name ="Banks" /><ref name ="Sargent" /> Examples of goodness of fit tests are the [[Kolmogorov–Smirnov test]] and the [[chi-square test]]. Any outli ...

...rrosion testing - Part 6: Preparation and use of pre-cracked specimens for tests under constant load or constant displacement''. 2nd Ed. 2003.</ref> standar ...h>a/W=0.241</math> on an identical specimen. This equation is requires the electrical excitation current is injected along the load line of the specimen. This eq ...

...trocardiography]] techniques are used quite often as clinical [[diagnostic tests]]. Thus, it is natural to proceed to computationally reproduce an ECG, whic * a model for the cardiac electrical activity; ...

...mathematical proof]] of Blackmer's invention were proposed by [[Bob Adams (electrical engineer)|Robert Adams]] in 1979; general log-domain filter synthesis theor ...diode]] [[Biasing|biased]] with a fixed idle current. Since small-signal [[Electrical impedance|impedance]] of such diode is controlled linearly by current, chan ...

...e, ''R_s'' is simply determined by the empirically measured bulk electrical conductivity ''&sigma;'' see Ramo et al pp.288-289 <ref name="Ramo">[[Simon Basic losses are due to finite [[Electrical resistivity and conductivity|conductivity]] of cavity walls and [[Loss tang ...

...n |first=Steffen |title=The Importance of Weber–Maxwell Electrodynamics in Electrical Engineering |journal=IEEE Transactions on Antennas and Propagation |year=20 ==Experimental tests== ...

...RD-0410]] was also claimed by the Soviets to have gone through a series of tests at the nuclear test site {{coord |50.170|N|78.375|E|}} near [[Semipalatinsk ...e rocket|Pewee]] (1970) and [[Pewee 2 rocket|Pewee 2]].<ref name="dewar"/> Tests of the improved Pewee 2 design were cancelled in 1970 in favor of the lower ...

...rules that, when applied, will indicate the key predictors of each failed tests versus the successful ones (the temperature was too high, the wind pressure | publisher=Department of Electrical Engineering, University of British Columbia ...

...r, M. G. Briscoe, R. E. Davis, and J. R. McCullough, 1981: Intercomparison tests of moored current measurements in the upper ocean, ''Journal of Geophysica ...is possible to add measurement of other parameters such as temperature, [[electrical conductivity|conductivity]], [[oxygen]], word time updated with each record ...

...s rotation of [[gyroscope]]s located inside a pear-shaped "duck", and an [[electrical generator]] converts this rotation into electricity with an overall efficie ...om Salter's duck, in 1975, scientist Swift-Hook and others ran a series of tests. The optimum range of the ducks was determined according to the formula, ...