Bibliographies thématiques / Solids - Diverse Thermodynamics Properties

Littérature scientifique sur le sujet « Solids - Diverse Thermodynamics Properties »

Auteur : Grafiati
Publié le 7 septembre 2023

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Articles de revues sur le sujet "Solids - Diverse Thermodynamics Properties"

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Hofmeister, Anne M. « Dependence of Heat Transport in Solids on Length-Scale, Pressure, and Temperature : Implications for Mechanisms and Thermodynamics ». Materials 14, no 2 (18 janvier 2021) : 449. http://dx.doi.org/10.3390/ma14020449.

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Accurate laser-flash measurements of thermal diffusivity (D) of diverse bulk solids at moderate temperature (T), with thickness L of ~0.03 to 10 mm, reveal that D(T) = D∞(T)[1 − exp(−bL)]. When L is several mm, D∞(T) = FT−G + HT, where F is constant, G is ~1 or 0, and H (for insulators) is ~0.001. The attenuation parameter b = 6.19D∞−0.477 at 298 K for electrical insulators, elements, and alloys. Dimensional analysis confirms that D → 0 as L → 0, which is consistent with heat diffusion, requiring a medium. Thermal conductivity (κ) behaves similarly, being proportional to D. Attenuation describing heat conduction signifies that light is the diffusing entity in solids. A radiative transfer model with 1 free parameter that represents a simplified absorption coefficient describes the complex form for κ(T) of solids, including its strong peak at cryogenic temperatures. Three parameters describe κ with a secondary peak and/or a high-T increase. The strong length dependence and experimental difficulties in diamond anvil studies have yielded problematic transport properties. Reliable low-pressure data on diverse thick samples reveal a new thermodynamic formula for specific heat (∂ln(cP)/∂P = −linear compressibility), which leads to ∂ln(κ)/∂P = linear compressibility + ∂lnα/∂P, where α is thermal expansivity. These formulae support that heat conduction in solids equals diffusion of light down the thermal gradient, since changing P alters the space occupied by matter, but not by light.
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Sarazen, Michele L., et Enrique Iglesia. « Stability of bound species during alkene reactions on solid acids ». Proceedings of the National Academy of Sciences 114, no 20 (1 mai 2017) : E3900—E3908. http://dx.doi.org/10.1073/pnas.1619557114.

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This study reports the thermodynamics of bound species derived from ethene, propene, n-butene, and isobutene on solid acids with diverse strength and confining voids. Density functional theory (DFT) and kinetic data indicate that covalently bound alkoxides form C–C bonds in the kinetically relevant step for dimerization turnovers on protons within TON (0.57 nm) and MOR (0.67 nm) zeolitic channels and on stronger acids HPW (polyoxometalate clusters on silica). Turnover rates for mixed alkenes give relative alkoxide stabilities; the respective adsorption constants are obtained from in situ infrared spectra. Tertiary alkoxides (from isobutene) within larger voids (MOR, HPW) are more stable than less substituted isomers but are destabilized within smaller concave environments (TON) because framework distortions are required to avoid steric repulsion. Adsorption constants are similar on MOR and HPW for each alkoxide, indicating that binding is insensitive to acid strength for covalently bound species. DFT-derived formation free energies for alkoxides with different framework attachments and backbone length/structure agree with measurements when dispersion forces, which mediate stabilization by confinement in host–guest systems, are considered. Theory reveals previously unrecognized framework distortions that balance the C–O bond lengths required for covalency with host–guest distances that maximize van der Waals contacts. These distortions, reported here as changes in O-atom locations and dihedral angles, become stronger for larger, more substituted alkoxides. The thermodynamic properties reported here for alkoxides and acid hosts differing in size and conjugate-anion stability are benchmarked against DFT-derived free energies; their details are essential to design host–guest pairs that direct alkoxide species toward specific products.
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Grau Turuelo, Constantino, Sebastian Pinnau et Cornelia Breitkopf. « Estimating a Stoichiometric Solid’s Gibbs Free Energy Model by Means of a Constrained Evolutionary Strategy ». Materials 14, no 2 (19 janvier 2021) : 471. http://dx.doi.org/10.3390/ma14020471.

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Modeling of thermodynamic properties, like heat capacities for stoichiometric solids, includes the treatment of different sources of data which may be inconsistent and diverse. In this work, an approach based on the covariance matrix adaptation evolution strategy (CMA-ES) is proposed and described as an alternative method for data treatment and fitting with the support of data source dependent weight factors and physical constraints. This is applied to a Gibb’s Free Energy stoichiometric model for different magnesium sulfate hydrates by means of the NASA9 polynomial. Its behavior is proved by: (i) The comparison of the model to other standard methods for different heat capacity data, yielding a more plausible curve at high temperature ranges; (ii) the comparison of the fitted heat capacity values of MgSO4·7H2O against DSC measurements, resulting in a mean relative error of a 0.7% and a normalized root mean square deviation of 1.1%; and (iii) comparing the Van’t Hoff and proposed Stoichiometric model vapor-solid equilibrium curves to different literature data for MgSO4·7H2O, MgSO4·6H2O, and MgSO4·1H2O, resulting in similar equilibrium values, especially for MgSO4·7H2O and MgSO4·6H2O. The results show good agreement with the employed data and confirm this method as a viable alternative for fitting complex physically constrained data sets, while being a potential approach for automatic data fitting of substance data.
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Glasser, Leslie, et H. Donald Brooke Jenkins. « Predictive thermodynamics for ionic solids and liquids ». Physical Chemistry Chemical Physics 18, no 31 (2016) : 21226–40. http://dx.doi.org/10.1039/c6cp00235h.

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ZARDAS, G. E., et CH I. SYMEONIDES. « TEMPERATURE DEPENDENT MONOVACANCY PARAMETERS VERSUS DIVACANCIES IN ANALYZING DATA OF DEFECTS IN METALS ». Modern Physics Letters B 23, no 18 (20 juillet 2009) : 2235–41. http://dx.doi.org/10.1142/s0217984909020369.

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The appropriate procedure for analyzing experimental data of defects in metals is discussed. The following two diverse procedures have been proposed earlier: either in terms of single vacancy formation with temperature dependent enthalpy and entropy, or by assuming coexistence of vacancies and divacancies with temperature-independent parameters. Using aspects of thermodynamics of the defect formation processes in solids, we show that the former procedure leads to self-consistent parameters.
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ZMYWACZYK, Janusz. « Thermal Properties of Solids – Theoretical Basis, Research Methods and Selected Results of Proprietary Research ». Problems of Mechatronics Armament Aviation Safety Engineering 12, no 2 (30 juin 2021) : 9–38. http://dx.doi.org/10.5604/01.3001.0014.9331.

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This paper refers to an inaugural lecture prepared by the author for the inauguration of the New Academic Year 2020/2021 at the Faculty of Mechatronics, Armament and Aerospace of Military University of Technology (MUT) in Warsaw (Poland) on 2 October 2020. It presents the origins of research into thermal properties of solids since the mid-1970s by the employees of the thermodynamic research unit at the Department of Aerodynamics and Thermodynamics, followed by the basic modalities of heat transfer, theoretical foundations of thermal expansion, specific heat, thermal conductivity and thermal diffusivity of solids. The measuring apparatus created as a result of proprietary research studies and purchased from market-leading manufacturers is shown with a selection of results from the research into the thermal properties of solids, which are largely the outcome of the application our own research procedures.
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Varotsos, Panayiotis A., Nicholas V. Sarlis et Efthimios S. Skordas. « Thermodynamics of Point Defects in Solids and Relation with the Bulk Properties : Recent Results ». Crystals 12, no 5 (11 mai 2022) : 686. http://dx.doi.org/10.3390/cryst12050686.

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For several decades, the crucial question has arisen as to whether there exists any direct interconnection between the thermodynamic parameters of point defects in solids with the bulk properties of the solid under investigation. To answer this important question, an interrelation of the defect Gibbs energy gi in solids with bulk properties has been proposed almost half a century ago. Considering that gi corresponds to an isobaric and isothermal process, this interrelation states that, for different processes (defect formation, self-diffusion activation, and heterodiffusion), gi is proportional to the isothermal bulk modulus B and the mean volume per atom Ω, termed cBΩ model. Here, we review several challenging applications of this interrelation that appeared during the last decade (2011–2021), including high pressure diamond anvil measurements, high Tc superconductors, nuclear fuels, and materials for micro-electronics devices, applications of usefulness in Geophysics and Seismology, a problem of major technological interest, search for compositions of better target properties in Cu-Co-Si alloys via machine learning as well as two independent studies on the physical origin of this interrelation that has been further strengthened during the last few years.
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Burns, S. J., J. Ryan Rygg, Danae Polsin, Brian Henderson, Michelle Marshall, Shuai Zhang, Suxing Hu et Gilbert Collins. « Planar, longitudinal, compressive waves in solids : Thermodynamics and uniaxial strain restrictions ». Journal of Applied Physics 131, no 21 (7 juin 2022) : 215904. http://dx.doi.org/10.1063/5.0097342.

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A new tri-axial pressure-based constitutive expression has been found using Cauchy's stress tensor. This stress state emphasizes pressure and shear stress. The description is a pressure plus an effective shear stress allowing for a constitutive law based on atomic solid-state phase changes in crystalline cells due to pressure plus shear-based dislocation motion commonly associated with plasticity. Pressure has a new role in the material's constitutive response as it is separated from plasticity. The thermo-mechanical system describes third-order Gibbs’ expressions without specific volume restrictions placed upon the material. Isothermally, the ratio of heat to shear work in elastic copper is shown to approach zero at a very low temperature and become larger than one as temperature approaches melting. Wave compression models investigated are elastic and plastic: in fully elastic materials, the planar wave is restricted by Poisson's effect although plastic shear changes this constraint. Plastic deformation, dominated by dissipative shear stresses in uniaxial strain, heats the material while excluding phase changes from hydrostatic pressures. The material properties per se across Hugoniot shocks are described with entropy concepts. Shock waves are exceedingly complex since the constitutive laws are linked at extreme temperatures, pressures, and shear stresses. Isothermal, isentropic, isochoric, and iso-shear conditions are used throughout with Jacobian algebra.
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Burns, S. J., J. Ryan Rygg, Danae Polsin, Brian Henderson, Michelle Marshall, Shuai Zhang, Suxing Hu et Gilbert Collins. « Planar, longitudinal, compressive waves in solids : Thermodynamics and uniaxial strain restrictions ». Journal of Applied Physics 131, no 21 (7 juin 2022) : 215904. http://dx.doi.org/10.1063/5.0097342.

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A new tri-axial pressure-based constitutive expression has been found using Cauchy's stress tensor. This stress state emphasizes pressure and shear stress. The description is a pressure plus an effective shear stress allowing for a constitutive law based on atomic solid-state phase changes in crystalline cells due to pressure plus shear-based dislocation motion commonly associated with plasticity. Pressure has a new role in the material's constitutive response as it is separated from plasticity. The thermo-mechanical system describes third-order Gibbs’ expressions without specific volume restrictions placed upon the material. Isothermally, the ratio of heat to shear work in elastic copper is shown to approach zero at a very low temperature and become larger than one as temperature approaches melting. Wave compression models investigated are elastic and plastic: in fully elastic materials, the planar wave is restricted by Poisson's effect although plastic shear changes this constraint. Plastic deformation, dominated by dissipative shear stresses in uniaxial strain, heats the material while excluding phase changes from hydrostatic pressures. The material properties per se across Hugoniot shocks are described with entropy concepts. Shock waves are exceedingly complex since the constitutive laws are linked at extreme temperatures, pressures, and shear stresses. Isothermal, isentropic, isochoric, and iso-shear conditions are used throughout with Jacobian algebra.
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Awaga, Kunio, Yoshikatsu Umezono, Wataru Fujita, Hirofumi Yoshikawa, HengBo Cui, Hayao Kobayashi, Sarah S. Staniland et Neil Robertson. « Diverse magnetic and electrical properties of molecular solids containing the thiazyl radical BDTA ». Inorganica Chimica Acta 361, no 14-15 (octobre 2008) : 3761–70. http://dx.doi.org/10.1016/j.ica.2008.03.065.

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Thèses sur le sujet "Solids - Diverse Thermodynamics Properties"

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Ghosh, Siddhartha Shankar. « Numerical Studies Of Thermodynamic And Structural Properties Of Disordered Solids ». Thesis, 1996. https://etd.iisc.ac.in/handle/2005/1581.

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Ghosh, Siddhartha Shankar. « Numerical Studies Of Thermodynamic And Structural Properties Of Disordered Solids ». Thesis, 1996. http://etd.iisc.ernet.in/handle/2005/1581.

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Shariare, Mohammad H., Frank J. J. Leusen, Matas Marcel de, Peter York et Jamshed Anwar. « Prediction of the mechanical behaviour of crystalline solids ». 2012. http://hdl.handle.net/10454/6184.

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PURPOSE: To explore the use of crystal inter-planar d-spacings and slip-plane interaction energies for predicting and characterising mechanical properties of crystalline solids. METHODS: Potential relationships were evaluated between mechanical properties and inter-planar d-spacing, inter-planar interaction energy, and dispersive surface energy as determined using inverse gas chromatography (IGC) for a set of pharmaceutical materials. Inter-planar interaction energies were determined by molecular modelling. RESULTS: General trends were observed between mechanical properties and the largest inter-planar d-spacing, inter-planar interaction energies, and IGC dispersive surface energy. A number of materials showed significant deviations from general trends. Weak correlations and outliers were rationalised. CONCLUSIONS: Results suggest that the highest d-spacing of a material could serve as a first-order indicator for ranking mechanical behaviour of pharmaceutical powders, but with some reservation. Inter-planar interaction energy normalised for surface area shows only a weak link with mechanical properties and does not appear to capture essential physics of deformation. A novel framework linking mechanical properties of crystals to the distinct quantities, slip-plane energy barrier and inter-planar interaction (detachment) energy is proposed.
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Livres sur le sujet "Solids - Diverse Thermodynamics Properties"

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Introduction to the thermodynamics of solids. London : Chapman & Hall, 1991.

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Introduction to the thermodynamics of solids. New York : Springer, 1998.

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Z, Bokshteĭn S., et Zhukhovit͡s︡kiĭ A. A, dir. Thermodynamics and kinetics of diffusion in solids. New Delhi : Oxonian Press, 1985.

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Thermodynamic properties of solids : Experiment and modeling. Weinheim : Wiley-VCH, 2010.

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Šesták, Jaroslav. Heat, thermal analysis and society. Hradec Králové, Czech Republic : Nucleus HK, 2004.

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Gottstein, G. Grain boundary migration in metals : Thermodynamics, kinetics, applications. 2e éd. Boca Raton : Taylor & Francis, 2010.

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Shvindlerman, L. S. (Lazarʹ Simkhovich), dir. Grain boundary migration in metals : Thermodynamics, kinetics, applications. 2e éd. Boca Raton : Taylor & Francis, 2010.

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service), SpringerLink (Online, dir. Thermal Decomposition of Solids and Melts : New Thermochemical Approach to the Mechanism, Kinetics and Methodology. Dordrecht : Springer, 2007.

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Bensoussan, Alain. Asymptotic analysis for periodic structures. Providence, R.I : American Mathematical Society, 2011.

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Tinder, Richard. Tensor Properties of Solids (Synthesis Lectures on Engineering). Not Avail, 2007.

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Chapitres de livres sur le sujet "Solids - Diverse Thermodynamics Properties"

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Binder, Kurt, Marcus Müller et Nigel B. Wilding. « Polymeric Alloys : Model Materials for the Understanding of the Statistical Thermodynamics of Mixtures ». Dans Properties of Complex Inorganic Solids, 197–206. Boston, MA : Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-5943-6_26.

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Kato, Masako. « Vapochromic Soft Crystals Constructed with Metal Complexes ». Dans The Materials Research Society Series, 39–52. Singapore : Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-0260-6_4.

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AbstractVapochromism, a phenomenon in which the color or luminescence color of a substance changes in response to gaseous molecules, has potential for developing sensor materials to detect harmful substances in the environment. In addition, vapochromism is scientifically interesting for the direct visualization of interactions between gases and solids. The crystals of metal complexes involve diverse and flexible electronic interactions, such as metal–metal and metal–ligand interactions. It is expected that slight structural changes in such crystals will lead to distinct color or emission color changes, thus achieving highly sensitive and selective vapochromic responses. Consequently, highly ordered and flexible response systems (i.e., soft crystals) can be constructed. This chapter introduces the interesting and attractive features of vapor-responsive soft crystals by discussing platinum complexes that show color and luminescence changes in dilute vapor atmospheres while maintaining an ordered structure, nickel(II) complexes that change magnetic properties in conjunction with a color change, and copper(I) complexes that change luminescence color in response to N-heteroaromatic vapors.
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Stephanos, Joseph J., et Anthony W. Addison. « Thermodynamics properties of solids ». Dans Chemical Thermodynamics and Statistical Aspects, 591–642. Elsevier, 2023. http://dx.doi.org/10.1016/b978-0-443-15295-5.00018-1.

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« Electronic Properties of Solids ». Dans Statistical Thermodynamics and Properties of Matter, 365–94. CRC Press, 2000. http://dx.doi.org/10.1201/9781482296907-11.

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Keppens, Veerle, et A. Migliori. « Elastic Properties and Thermodynamics ». Dans Handbook of Elastic Properties of Solids, Liquids, and Gases, 173–84. Elsevier, 2001. http://dx.doi.org/10.1016/b978-012445760-7/50038-1.

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Sestak, Jaroslav. « Textbook thermodynamics as thermostatics ». Dans Thermal Analysis and Thermodynamic Properties of Solids, 83–103. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-323-85537-2.00011-5.

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Sestak, Jaroslav. « Thermodynamics : processes dynamics under constant heating ». Dans Thermal Analysis and Thermodynamic Properties of Solids, 123–53. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-323-85537-2.00007-3.

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Sestak, Jaroslav. « Understanding of temperature, heat, gradients and related thermodynamics ». Dans Thermal Analysis and Thermodynamic Properties of Solids, 25–59. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-323-85537-2.00021-8.

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Sestak, Jaroslav. « Phenomenological approach to the caloric theory of heat : An alternative thermodynamics ». Dans Thermal Analysis and Thermodynamic Properties of Solids, 59–82. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-323-85537-2.00012-7.

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Sestak, Jaroslav. « Thermodynamics of periodic processes, dendrite self-similarity, self-organization, and stimulated quantum diffusion ». Dans Thermal Analysis and Thermodynamic Properties of Solids, 417–37. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-323-85537-2.00018-8.

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Actes de conférences sur le sujet "Solids - Diverse Thermodynamics Properties"

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Cazacu, Oana, et Stefan Soare. « A New Anisotropic Damage Model for Ceramic Matrix Composites ». Dans ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61223.

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Within the framework of irreversible thermodynamics, a new general constitutive model for describing damage and its effect on the overall properties of anisotropic solids is proposed. The ability of the model to describe the overall stress-strain response as well as the loss of symmetry resulting from the interaction between initial and damage-induced anisotropy in a brittle matrix composite is demonstrated.
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Erdim, Hu¨seyin, et Horea Ilies¸. « A Point Membership Classification for Sweeping Solids ». Dans ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34827.

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Sweeps are considered to be one of the basic representation schemes in solid modeling, and have numerous applications in very diverse fields ranging from engineering design and manufacturing to computer graphics. Despite their prevalence, many properties of the general sweeps are not well understood. Furthermore, boundary evaluation algorithms for 3-dimensional solid objects currently exist only for reasonably simple objects and motions. One of the main reasons for this state of affairs is the lack of a generic point membership test for sweeps. In this paper we describe a point membership classification (PMC) for sweeping solids of arbitrary complexity moving according to one parameter affine motions such that the initial and final configurations of the moving object do not intersect. Our PMC test is defined in terms of inverted trajectory tests against the original geometric representation of the generator object. This PMC test provides complete geometric information about the set swept by the 3-dimensional moving object, and can play a fundamental role in sweep boundary evaluation and trimming algorithms, as well in a number of practical applications such as contact analysis of higher pairs in design and manufacturing. Since our PMC is formulated in terms of intersections between inverted trajectories and the generator, it can be implemented for any geometric representation that supports curve-solid intersections.
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El-Sadi, Haifa. « Using Engineering Equation Solver (EES) to Solve Engineering Problems in Mechanical Engineering ». Dans ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86078.

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This paper studies the use of an engineering equation solver (EES) software to improve the students’ perceptive of the Air conditioning and Nozzle analysis in courses such as heat transfer and applied gas dynamics. EES lets students to concentrate on design engineering applications. Also the students will have the skill to see instant results to differences of the design circumstances as well as diverse parameters that would touch diverse categories of engineering projects. The proposed tool also gives students the ability to determine thermodynamics properties of any fluid, solve different mathematical equations with many variables and perform optimization and analysis. In this paper, condenser of air conditioning as a heat transfer project was used as an example to demonstrate EES to the students. The student’s feedback shows that the use of the proposed tool significantly improves the student learning experience in thermodynamics and heat transfer courses and other mechanical engineering courses such as thermal design analysis, make the course more dynamic, and motivate the students to learn the material fast and effectively.
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Pascual, Christopher C. « Capstone Thermal System Design Project Using Engineering Equation Solver (EES) ». Dans ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61634.

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The capstone thermal system design course at California Polytechnic State University in San Luis Obispo has been modified to reinforce fundamental concepts in introductory fluid mechanics, heat transfer, and thermodynamics through a quarter-long design project. Through the use of Engineering Equation Solver (EES), the computational effort of thermal design is reduced; because EES has built-in thermophysical properties for most common solids, liquids, and gasses. As a result, the students can focus on design iterations and not on interpolation of property tables. At the end of the quarter, the students present their design to panelists who evaluate their design based on expected cost. In the past three years, the students have designed a hydronic snow-melting system, a ground source heat pump system for a small office building, a radiant heating system for a greenhouse, and a refrigeration system for an ice rink.
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