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Topic: Quasistatic process

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	Quasistatic equilibrium - Wikipedia, the free encyclopedia
		A process is called quasi-static when it follows a succession of equilibrium states; the surroundings may be irreversibly altered during the process so that after a return path, the system ends up in a final state which differs from its initial state.
		In a quasistatic process, or equilibrium process, a sufficiently slow transition of a thermodynamic system from one equilibrium state to another occurs such that at every moment in time the state of the system is close to an equilibrium state.
		A quasistatic process is not necessarily a reversible one.
	en.wikipedia.org /wiki/Quasistatic_equilibrium (224 words)

	Bond Graph Modeling of Non-Electrolyte Gel
		Process is relatively slow, and the inertial effects of fluid flow and polymer network are negligible.
		Process is solvent diffusion-limited into the gel network, and the effects of surrounding fluid convection is negligible.
		The process from state 1 to state 2 is therefore entropy generating run-down mixing process, and the changes in thermodynamic properties of control volume due to such mixing process are described by Flory.
	www.ai.mit.edu /projects/muscle/papers/noelegel/noele.html (1788 words)

	Glossary
		process is one in which there is no heat transfer between system and surroundings.
		process is a very, very slow process which is considered to be a succession of equilibrium states.
		process can be returned to its initial state so that there is no net change in the universe as a result of the complete cycle.
	www.eng.usouthal.edu /huddleston/che202/glossary.htm (424 words)

	Quasistatic process (via CobWeb/3.1 planetlab2.isi.jhu.edu) (Site not responding. Last check: 2007-11-07)
		In thermodynamics a quasistatic process is a process that is performed in such a way as to ensure that the system goes through a sequence of states whose distance from equilibrium is infinitesimal.
		A process of this kind is reversible, that is the net variation of entropy of the system and of the environment sums to zero.
		In practice a quasistatic process can be approximated by performing it very slowly.
	publicliterature.org.cob-web.org:8888 /en/wikipedia/q/qu/quasistatic_process.html (134 words)

	Quasistatic process - Wikipedia, the free encyclopedia
		In thermodynamics a quasistatic process is a process that happens infinitely slowly.
		Some ambiguity exists in the literature concerning the distinction between quasistatic and reversible processes, as these are sometimes taken as synonyms (Lavenda, 1978).
		The above definition is closer to the intuitive understanding of the word "quasi-" (almost) "static", while remaining technically different from reversible processes.
	en.wikipedia.org /wiki/Quasistatic_process (156 words)

	JEE 661 Lecture 2
		An isothermal process is a change of state in which the air remains in thermal equilibrium with a constant environment.
		In pseudoadiabatic processes it is assumed that the condensed water is precipitated as rain.
		In reversible saturated adiabatic processes it is assumed that the condensed water remains in the air as cloud.
	www.jgsee.kmutt.ac.th /exell/JEE661/JEE661Lecture2.html (1041 words)

	JAA 08005 (Site not responding. Last check: 2007-11-07)
		The body is assumed to be linear elastic and the contact is modeled with a version of Coulomb's law of dry friction in which the normal stress is prescribed on the contact surface.
		The novelty consists here in the fact that we consider a slip dependent coefficient of friction and a quasistatic process.
		Keywords: Elastic material, quasistatic process, Coulomb's law, slip dependent friction, variational inequality, weak solution.
	www.heldermann.de /JAA/JAA08/JAA081/jaa08005.htm (180 words)

	PH21510 - Thermal Physics I (Site not responding. Last check: 2007-11-07)
		If the pressure of the gas is p, show that the work done by the gas during an infinitesimal expansion is pdV where dV is the infinitesimal increase in the volume of the gas.
		The gas is taken from an initial state i to a final state f by a two-stage quasistatic process comprising:
		If 500 J of heat enters the gas system during the first stage of the process described in (a), determine the change in the internal energy of the gas between states i and f.
	users.aber.ac.uk /infoman/physics/exam98/semester1/ph21510.html (524 words)

	THERMODYNAMICS (Site not responding. Last check: 2007-11-07)
		A process is any change in the thermodynamic coordinates of a system.
		A process is reversible when, 1) it is quasistatically performed, and 2) there are no dissipative effects.
		Adiabatic Process: A process in which there is no heat flow in or out of a system, that is, Q=0.
	www.tcnj.edu /~pfeiffer/TDchap1.html (1637 words)

	PPT Slide (Site not responding. Last check: 2007-11-07)
		thermodynamic process --> a process where the macroscopic parameters are changing in time
		quasistatic process --> a very slow thermodynamic process, where the parameters change so slowly in time, that the system at each moment can be regarded with a good approximation in equilibrium.
		reversible process --> a process that can take place spontaneously in reverse direction too, going through the same intermediate states.
	www.nd.edu /~zneda/mc/c1/tsld005.htm (320 words)

	IoHT :: 50+ Variations of Equilibrium (Site not responding. Last check: 2007-11-07)
		– a process is called quasi-static when it follows a succession of equilibrium states; the surroundings may be irreversibly altered during the process so that after a return path, the universe ends up in a final state which differs from its initial state [PP].
		– a term synonymous with ‘thermodynamics’;, referring to quasistatic processes, which are idealized, infinitely slow processes [Wiki].
		the condition in which the rate of forward process is exactly balanced by the rate of a reverse process [RC].
	www.humanthermodynamics.com /equilibrium.html (1822 words)

	Thesis Outline
		The parameters of the mechanical readjustment process were somewhat artificially related to the free swelling volume of the gel at the given pH.
		The entropy generating mixing/diffusion process is modeled by a resistance field driven by solvent’s chemical potential difference across the gel’s control volume boundary, and the total entropy change of control volume is sum of the entropy generated and the entropy transferred by the heat/mass transfer processes.
		Although the system of our interest is not at true equilibrium during the process, we will assume that the condition is near equilibrium, and we will model the electric potential difference between two uniform media regions (Figure 3.14) as the average of the individual ion specie’s near equilibrium contribution to the electric potential buildup.
	www.ai.mit.edu /projects/muscle/papers/lee96/thesis.html (12472 words)

	No Title (Site not responding. Last check: 2007-11-07)
		Almost by definition, when a system undergoes a process and changes, it cannot be exactly described by equilibrium statistical mechanics or thermodynamics.
		However we can talk about a quasi-static process in which the system progresses slowly enough to be arbitrarily close to equilibrium throughout the process.
		An adiabatic process is one in which there is no heat transfer.
	eiffel.ps.uci.edu /cyu/p115A/LectureNotes/Lecture4/html_version/lecture4.html (1839 words)

	Derivation of the entropy formula for the microcanonical ensemble
		Correspondingly, our result (1) expresses the change of the phase volume of a microcanonical ensemble subject to a quasistatic process.
		However, for that derivation it is irrelevant in which way the energy of the system is changed, if only the process is quasistatic as defined above.
		The entropy formula (24) thus has been derived by interpreting the statistical mechanics result (1) in terms of thermodynamics processes, taking thermodynamic laws into account.
	www.uni-konstanz.de /FuF/Physik/Jaeckle/lecture/StatMech/node1.html (613 words)

	Physical Chemistry, Winter Quarter, 2006
		Say a process is performed at constant pressure.
		reversible if the isothermal process is done very slowly so the pressures equilibrate across the boundary of system and surroundings.
		It’s more typical to consider constant pressure processes than constant volume.
	bessie.che.uc.edu /tlb/teach/undergrad/382w06/382_Lecture2.htm (2111 words)

	KLA-Tencor \| Products \| MRW200 (Site not responding. Last check: 2007-11-07)
		Tightens the process feedback loop with early characterization of MRAM bitcell read and write performance
		KLA-Tencor's MRW200 is the industry-leading, automated magnetic test platform for MRAM and TFH device development and process control.
		The MRW200's patented, closed-loop magnet technology is critical for achieving the H-field accuracy and repeatability required for advanced magnetic device metrology.
	www.kla-tencor.com /j/servlet/Product?prodID=65 (195 words)

	Thermodynamic and Kinetic Aspects of RNA Pulling Experiments -- Manosas and Ritort 88 (5): 3224 -- Biophysical Journal
		The pulling is carried out at an approximate loading rate of 0.5 pN/s, slow enough to generate a quasistatic process.
		to the activated process schematically represented in Fig.
		the process is not in equilibrium, and hysteresis effects are
	www.biophysj.org /cgi/content/full/88/5/3224 (5666 words)

	Analysis of a viscoelastic contact problem with Normal damped response and damage, L. Selmani, M. Selmani
		We consider a mathematical model for the process of contact between a viscoelastic body and a reactive foundation.
		The material is viscoelastic with internal state variable which may describe the damage of the system.
		Keywords: Quasistatic process; nonlinear viscoelastic constitutive law; normal damped response; internal state variable; damage
	projecteuclid.org /Dienst/UI/1.0/Display/euclid.bbms/1148059457 (198 words)

	Thermodynamic Functions (Site not responding. Last check: 2007-11-07)
		If a quantity of heat d' Q is introduced quasistatically into a system by a process which, maintaining a quantity x constant, raises the temperature by d T, the quantity C x, defined by
		The heat capacity per unit mass of the material is its specific heat.
		where the integration is done along any quasistatic process which connects Î± to Î± 0, d 'Q being the heat absorbed by the system at temperature Î¤ in an infinitesimal element of the whole process.
	heat-potential.org /4.html (412 words)

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