Pro Angela Guinart vidua contra Anna Casadeual etiam viduam

Precede al tit.: Iesus, Maria, Iosephus

Pro Iosepho de Aguilar Contra Don Christophorum de Icart

Firmado al fin por Fontanella V.I.D. y Rubi V.I.D.

Pro executione sententiae reiecta restitutione in integrum pro Nobili Leandro de Margarit

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Die XV. Maii. in festo S. Euphrasii, Episc. et mart. dioecesis Giennensis patroni : pro omnibus Hispaniae dioecesibus dup. min. ...

Texto fechado a 26 de marzo de 1757

Francisci Decij valentini Patribus Iuratis pro munere Oratorio musis nuper condito eucharistia per discipulum Pontium Patricium adulescente[m] publicè habita

Marca tip. en el v. de la última p.

Bulla S.D.N. D. Pii... Papae V pro vnione ordinis et congregationis fratrum seruorum beate Marie

Port. con 3 grab. xil. representando a San Pedro, a San Pablo y al escudo papal

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Ioannes Franc. Pastor et Villar Vincentius Mora et Juliá Raphael Cabrera et Omar Michael Sanchis et Caurin has de re theologica Propositiones pro doctorali laurea adsequenda publicae concertationi exponunt praeside D.D. Francisco Martinez... in Valentina Universit... MDCCXCII

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Propuesta y deliberación del Consell: en valenciano. Intervención del Rey: en español. Resto del texto: en latín

Theses ex logica metaphysica et ethica quas pro baccalaureatus gradu... D. Thoma Aquinate opitulante

El autor aparece en an. ms. después del "defendet"

La oracion que en defensa de'l pedo : (pro crepitu ventris)

El traductor fue Don Roque Valero Oquendo

Flammability conditions for ultra-lean hydrogen premixed combustion based on flame-ball analyses

It has been reasoned that the structures of strongly cellular flames in very lean mixtures approach an array of flame balls, each burning as if it were isolated, thereby indicating a connection between the critical conditions required for existence of steady flame balls and those necessary for occurrence of self-sustained premixed combustion. This is the starting assumption of the present study, in which structures of near-limit steady sphericosym-metrical flame balls are investigated with the objective of providing analytic expressions for critical combustion conditions in ultra-lean hydrogen-oxygen mixtures diluted with N2 and water vapor. If attention were restricted to planar premixed flames, then the lean-limit mole fraction of H2 would be found to be roughly ten percent, more than twice the observed flammability limits, thereby emphasizing the relevance of the flame-ball phenomena. Numerical integrations using detailed models for chemistry and radiation show that a onestep chemical-kinetic reduced mechanism based on steady-state assumptions for all chemical intermediates, together with a simple, optically thin approximation for water-vapor radiation, can be used to compute near-limit fuel-lean flame balls with excellent accuracy. The previously developed one-step reaction rate includes a crossover temperature that determines in the first approximation a chemical-kinetic lean limit below which combustión cannot occur, with critical conditions achieved when the diffusion-controlled radiation-free peak temperature, computed with account taken of hydrogen Soret diffusion, is equal to the crossover temperature. First-order corrections are found by activation-energy asymptotics in a solution that involves a near-field radiation-free zone surrounding a spherical flame sheet, together with a far-field radiation-conduction balance for the temperature profile. Different scalings are found depending on whether or not the surrounding atmosphere contains wáter vapor, leading to different analytic expressions for the critical conditions for flame-ball existence, which give results in very good agreement with those obtained by detailed numerical computations.

Numerical simulation of group combustion of pulverized coal

A mathematical model for the group combustion of pulverized coal particles was developed in a previous work. It includes the Lagrangian description of the dehumidification, devolatilization and char gasification reactions of the coal particles in the homogenized gaseous environment resulting from the three fuels, CO, H2 and volatiles, supplied by the gasification of the particles and their simultaneous group combustion by the gas phase oxidation reactions, which are considered to be very fast. This model is complemented here with an analysis of the particle dynamics, determined principally by the effects of aerodynamic drag and gravity, and its dispersion based on a stochastic model. It is also extended to include two other simpler models for the gasification of the particles: the first one for particles small enough to extinguish the surrounding diffusion flames, and a second one for particles with small ash content when the porous shell of ashes remaining after gasification of the char, non structurally stable, is disrupted. As an example of the applicability of the models, they are used in the numerical simulation of an experiment of a non-swirling pulverized coal jet with a nearly stagnant air at ambient temperature, with an initial region of interaction with a small annular methane flame. Computational algorithms for solving the different stages undergone by a coal particle during its combustion are proposed. For the partial differential equations modeling the gas phase, a second order finite element method combined with a semi-Lagrangian characteristics method are used. The results obtained with the three versions of the model are compared among them and show how the first of the simpler models fits better the experimental results.