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Topic: Linear mass


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In the News (Wed 16 Dec 09)

  
  Search Results for -SHOP.COM
The influence of the direction of the intensive interphase mass transfer on heat transfer and multi-component mass transfer is illustrated.Part 2 discusses non-linear mass transfer in electrochemical systems with high current density using the examples of the anode dissolving of metals in the electrolyte flow and the electro-separation of metals out of concentrated solutions.
Multicomponent interphase mass transfer in the case of an intensive mass transfer in the gas.
Ionic mass transfer effects on the hydrodynamics during dissolution of a rotating disk electrode surface.
www.shop.com /op/aprod-~-p20749431   (671 words)

  
 World Intellectual Property Organization   (Site not responding. Last check: 2007-10-15)
The present invention is an apparatus that uses an arrangement of gyroscopes in a manner that produces linear acceleration that does not rely on a linear mass action-reaction, because of this fact the invention is capable of delivering a vectored thrust without the displacing of matter in the opposite direction.
The mass of the gyroscopic means is not as important in producing acceleration as is the energy put into spinning the gyroscopic mass and the energy put into rotating the main structure (E) to which the gyro units are mounted.
The undesired 90 degree linear component is further minimized in embodiments one, two, three, and four, by the presence of multiple gyro units in the thrust producing portion of the cycle (the Conversion Phase) simultaneously.
www.wipo.int /ipdl/IPDL-CIMAGES/view/pct/getbykey5?KEY=01/53721.010726&ELEMENT_SET=DECL   (9954 words)

  
 [3.0] Rotational Motion
Linear velocity gives the number of meters the mass travels in a second, which means that for a given value of linear velocity the actual number of revolutions per second drops as the length of the radius increases.
Since the mass moves twice as far as the handle, it only receives half the force at any one time, and its linear acceleration is only half as great as it was at one meter.
Similarly, if the mass moves out along the rod until it is two meters from the pole, in the absence of any external forces it is still moving at six meters per second, but the circle is twice as big.
www.vectorsite.net /tpecp_03.html   (6965 words)

  
 Rotation   (Site not responding. Last check: 2007-10-15)
Mass--regular, ordinary, linear mass--is a measure of inertia, of how easy or difficult it is to put an object in motion or to bring it to rest.
Rotational mass will be greater if the mass is farther from the axis of rotation and it will be less if the mass is closer to the axis of rotation.
Masses far from the axis of rotation have a large rotational mass.
www.ux1.eiu.edu /~cfadd/3050/Ch08Rot/RotMs.html   (166 words)

  
 K+   (Site not responding. Last check: 2007-10-15)
The mass of the elementary particles and the radius of the electron are known quantities.
Linear force is the internal force of the particle/field.
Table 2 shows the relationship between mass, linear force, and gravity; it follows that the most likely cause of charge is variation of the only remaining quantity, that is the anti-force.
elasticity2.tripod.com   (1840 words)

  
 Patent 5150875
A linear mass actuator according to claim 1, further comprising guide means disposed in the central passageway for preventing lateral movement of the mass during linear actuation.
1, a linear mass actuator is generally referred to by the numeral 20 and includes a mass 22, an upper housing assembly 24 and a lower housing assembly 26.
One possible use for the linear mass actuator of the present invention is in vibration damping system such as one that could be used in outer space to damp out vibrations experienced by a space structure, such as a boom or truss.
www.freepatentsonline.com /5150875.html   (3595 words)

  
 Encyclopedia: Linear mass   (Site not responding. Last check: 2007-10-15)
Linear mass is a measure of mass per unit of length, and it is a characteristic of strings.
The SI unit of linear mass is the kilogram per metre (kg/m).
μ is the linear mass of the string (measured in kilograms per metre)
www.nationmaster.com /encyclopedia/Linear-mass   (119 words)

  
 ME 244L Exercise 3
Initial testing with small bungee cords suspending masses showed that the unforced acceleration has a definite non-harmonic character due to the "nonlinearity" of the bungee cord stiffness characteristics.
Deflect the mass from its equilibrium point slightly and release the mass from rest.
Record: a) the initial deflection imposed (roughly, by using a linear scale or tape measure), b) peak to peak voltage, c) period of oscillation.
www.me.utexas.edu /~me244L/labs/motion/ex3.html   (430 words)

  
 Lab 1.6.1
The linear mass density of the string on also be found by studying the relationship between the tension, frequency, length of the string, and the number segments in the standing wave.
Using the slope, calculate the linear mass density of the string and record.
From the slope, calculate the linear mass density of the string and record.
www.usd.edu /phys/labs/Waves/W01/W01.html   (895 words)

  
 Experiment P31
Purpose: The purpose of this laboratory activity is to investigate standing waves in a string and to use the relationship between the tension in the string, the frequency of oscillation, the length of the string, and the number of segments in the standing wave to find the linear mass density of the string.
The linear mass density of the string can also be found by studying the relationship between the tension, frequency, length of the string, and the number of segments in the standing wave.
Using the slope, calculate the linear mass density of the string.
www.usd.edu /phys/labs/Waves/P31/P31.html   (1516 words)

  
 Headlines@Hopkins: Johns Hopkins University News Releases
According to Weaver, that could mean that LINEAR was initially formed relatively close to the sun, perhaps in the range where Jupiter now orbits, where not as much ice would have condensed upon the meteoritic material.
LINEAR definitely came apart like a pile of rubble, Weaver says, and the rubble they could see from Earth will affect theories about the typical sizes of the chunks of material that go into the rubble pile.
Estimates of the mass of LINEAR's nucleus, based on the amount of icy material on its surface, range as high as 300 billion kilograms.
www.jhu.edu /news_info/news/home01/may01/linear.html   (953 words)

  
 Non-Linear Mass Transfer and Hydrodynamic Stability
In Part 1 the non-linear mass transfer as a result of an intensive interphase mass transfer in the gas (liquid)-solid surface, gas-liquid and liquid-liquid systems is considered in the duffusion boundary layer approximation as well as in flat channel taking the longitudinal diffusion into account.
The influence of the direction of the intensive interphase mass transfer on heat transfer and multi-component mass transfer is illustrated.
Part 2 discusses non-linear mass transfer in electrochemical systems with high current density using the examples of the anode dissolving of metals in the electrolyte flow and the electro-separation of metals out of concentrated solutions.
www.allmedstar.com /ep-0444504281.html   (764 words)

  
 Vibrating string - Open Encyclopedia   (Site not responding. Last check: 2007-10-15)
Let L be the length of the string, m its mass and T the tension.
Let \mu be the linear mass of the string.
where T is the tension, \mu is the linear mass, and L is the length of the vibrating part of the string.
www.open-encyclopedia.com /Vibrating_string   (302 words)

  
 sciforums.com - Rotation curve/dark matter question   (Site not responding. Last check: 2007-10-15)
If you measure mass by simply counting the flux of photons from each different part of the galaxy (which makes the assumption that all matter of the same density is similarly luminous), then you get the rotation curve as shown in your first figure.
where v is the linear velocity, r is the distance from the center of the galaxy, and M(r) is the mass enclosed at r.
The mass is cumulative as r increases (that is, each r includes all the mass between 0 and r), but I wouldn't expect a luminosity measurement to be cumulative, so neither would I expect it to be linear in r.
www.sciforums.com /showthread.php?t=18474   (647 words)

  
 MERCURY'S PERIHELION   (Site not responding. Last check: 2007-10-15)
PR replaced each of the outer planets with a ring of linear mass density l = M/2pR, where M is the mass of the planet and R is the average orbital radius.
To simplify the calculation, PR assumed that the planetary mass rings are centered on the Sun and coplanar.
Depending on the position of the sample mass in the orbit, the separation between the discrete mass and Mercury can vary by 50%; the computed incremental forces Fi vary accordingly and it is clear we require a sufficiently large n to average "properly" over the orbit.
www.sewanee.edu /Physics/TAAPT/MERCURY'S_PERIHELION.HTML   (1917 words)

  
 Underwater Mass Spectrometry at COT
Since mass spectrometry is arguably the most versatile of chemical sensors, we have undertaken development of in-situ mass spectrometry systems capable of real-time, adaptive in-water analyses.
The primary challenges faced in creating underwater mass spectrometry (MS) systems are related to the necessity of performing MS in a vacuum.
The systems have evolved over the last several years to the present configuration, which is an in-situ membrane introduction linear quadrupole mass spectrometer (Inficon CPM200), capable of detecting dissolved gases and volatile organic compounds (VOCs) down to sub parts-per-billion (ppb) concentrations, over a mass range of 200 amu and a depth capability of ca.
cot.marine.usf.edu /hems/underwater   (264 words)

  
 GIT Theory by David E.Cowlishaw   (Site not responding. Last check: 2007-10-15)
Mass has two separate inertial characteristics in this universe (that we know of), and that is the forward inertial component, (reluctance to be accelerated forward in space), and the angular inertial component (reluctance to spin accelerations about it's center of mass).
Interestingly, the mass that is doing the "action" is the spin inertial component, again separate of that mass' linear inertial component, but none-the-less, a transfer of momentum from a smaller radius to a larger one, only among separate parts working in unison, and where the transfer from angular to (more) linear motion really takes place.
The GIT conserves linear momentum in the centrifugal and tangential motions, and conserves angular momentum in the spin accelerations that also exchanges, or pairs off with the tangential forces (a larger radius reversing direction pair of half circle thrusts), so the GIT violates none of the known Newtonian laws.
www.open.org /~davidc/GITheory.htm   (1207 words)

  
 Moment of Inertia
Moment of inertia is the name given to rotational inertia, the rotational analog of mass for linear motion.
The moment of inertia of a point mass with respect to an axis is defined as the product of the mass times the distance from the axis squared.
Usually, the mass element dm will be expressed in terms of the geometry of the object, so that the integration can be carried out over the object as a whole (for example, over a long uniform rod).
230nsc1.phy-astr.gsu.edu /hbase/mi.html   (419 words)

  
 linear mass density   (Site not responding. Last check: 2007-10-15)
of: a uniform body (particularly a body of uniform cross-sectional area, such as a string) of mass
is: the mass per unit length of the body,
is the mass of a small element of the body, of length
www.pha.jhu.edu /~ggaspar/physics/glossary/glossary/ll/linmasdn.htm   (48 words)

  
 ME 244L Exercise 3
In a lab that may be conducted later, small bungee cords are used to suspend a mass.
To contrast with this behavior, steel springs that have linear stiffness properties are used in this exercise.
Make sure the excitation voltage is set to 5 volts (use a multimeter to confirm), or to the value used in the calibration and testing in Exercise 2.
www.me.utexas.edu /~lotario/me244L/labs/accelerometers/ex3.html   (527 words)

  
 HJIC 1990, 18(1), 1-148
An asymptotic theory of heat transfer in the boundary layer, where heat transfer is accompanied with non-linear mass transfer, resulting from intensive mass exchange, is presented.
Multicomponent mass transfer in the boundary layer when the mass transfer of one of the components is non-linear as a result of intensive mass exchange is studied.
It is demonstrated that the mass exchange direction influences the rate of the multicomponent mass transfer.
www.vein.hu /HJIC/content/v18n1.html   (1397 words)

  
 Phys311Puzzle   (Site not responding. Last check: 2007-10-15)
The linear restoring force of a spring is given by F = -kx.
The force and hence the acceleration of the mass increases linearly with the distance from equilibrium.
Although a larger amplitude means that the mass travels a greater distance during each cycle, the average velocity during the cycle also increases linearly with amplitude.
www.uvi.edu /SandM/Physics/dave/DavesArchives/021599/Phys311Puzzle.html   (258 words)

  
 C/LINEAR : C/LINEAR's Missing Mass   (Site not responding. Last check: 2007-10-15)
When we compare the mass in C/LINEAR before the breakup to the mass of debris observed after the breakup, there seems to be a problem: we come up short in the mass of the debris by almost a factor of 100.
Weaver et al., in their Science paper, estimated the mass of the largest remaining fragments after the breakup to be about 3 billion kilograms (3 million tons).
The largest fragments and the tiny dust were the only portions of the breakup debris that could be seen directly in telescopes, and their sum falls far short of the mass of the original nucleus.
www.pha.jhu.edu /~weaver/linear_may2001/missing_mass.html   (466 words)

  
 [No title]   (Site not responding. Last check: 2007-10-15)
The linear mass density of the string can also be found directly by determining the mass of a given length of string embed Equation.2 .
Calculate the linear mass density for the string using equation (6).
Solve for the linear mass density symbol 109 \f "Symbol" \s 12 for the string.
roadrunner.woodbury.edu /courses/carmichaelc/StandingWavesonaString.doc   (1020 words)

  
 Astron. Astrophys. 328, 435-470   (Site not responding. Last check: 2007-10-15)
We calculate the multiplicity function of matter condensations with given mass and defined by an arbitrary density threshold which can be a function of the mass of the objects, by directly considering the actual, deeply non-linear density field, which we compare to the popular Press-Schechter approximation.
This comparison is made possible owing to an analytic description of the non-linear mass distribution, but also thanks to a modellization of the evolution of the two-body correlation function from its linear to non-linear behaviour based on Peeble's spherical collapse picture.
We show the mass function is a function of a unique parameter that contains all the dependence on the mass and radius of the object.
aa.springer.de /bibs/7328002/2300435/small.htm   (352 words)

  
 Wave Propagation   (Site not responding. Last check: 2007-10-15)
The velocity of a wave traveling in a string depends inversely on the root of the string's linear mass density in much the same way as the velocity of light traveling in a dielectric depends inversely on the root of the dielectric's relative permittivity (the root of the relative permittivity is the refractive index).
A wave passing a reference plane on a string can be described by its displacement and slope in the same way that a light ray is described.
apart in a region of constant linear mass density.
www.kw.igs.net /~jackord/ee/e3.html   (363 words)

  
 ME 244L Bungee Overview
The acceleration of a mass suspended by a bungee cord results from the combination of gravitational, aerodynamic drag, and bungee cord forces.
The experiment and the materials are fundamental: an accelerometer attached to a mass and bungee cords of different lengths.
Note that the accelerometer (to be described in the next section) is only sensitive in one axis, so it is desirable that the mass move so that this axis is always vertical.
www.me.utexas.edu /~me244L/labs/motion/bungeeover.html   (685 words)

  
 Seminar: Chr. Boyadjiev   (Site not responding. Last check: 2007-10-15)
All deviations of the experimental data from the linear mass transfer theory are results of the non-linear effects, i.e.
The concentration dependence of the velocity is usually related to secondary flows, with a changed mass transfer mechanism.
The most interesting non-linear effects are provoked from the secondary flows as a result of the high concentration gradients (non-linear mass transfer effect), surface tension gradients (Marangoni effect) and density gradients (natural convection).
www.dct.tudelft.nl /seminars/boyadjiev.html   (247 words)

  
 The current research interests of the EMSG:Clusters
Linear TOF Mass Spectrum of Platinum Clusters obtained using PACIS - August 1999
The cluster ions formed were pulse-accelerated to 3 kV and flown in the linear time of flight (TOF1) mass analyser.
Cooling of the PACIS block with water or liquid N2 may enhance the clustering process so that higher cluster sizes may be more prominent in the spectrum.
homepages.ed.ac.uk /prrls02/projects/platinumspectrum.html   (94 words)

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