177,248 research outputs found
Accueil de M. Rached Hamdi (INP, Tunisie)
No full textLe programme transversal ATHAr (Histoire et Archéologie du Maghreb ancien) a le plaisir d’accueillir : M. Rached Hamdi, Conservateur conseiller à l'Institut National du Patrimoine de Tunisie (INP), Inspection régionale du Sahel Sud. M. Rached Hamdi a soutenu en 2017 une thèse de doctorat sur « Le décor architectonique de l’antique Thysdrus ». Actuellement ses travaux portent essentiellement sur l'architecture, le décor architectonique et l'urbanisme en Afrique romaine. Il a travaillé..
Erratum: Focused X-shaped Pulses (journal Of The Optical Society Of America A: Optics And Image Science, And Vision)
No full text[No abstract available]22122900Zamboni-Rached, M., Shaarawi, A.M., Recami, E., "Focused X-shaped pulses" (2004) J. Opt. Soc. Am. A, 21, pp. 1564-157
Ligand- and metal-centered oxidative degradations in binuclear dioxygen complexes
No full textTypescript (photocopy).Synthesis and potentiometric equilibrium studies of the stabilities of the complexes of 1, 3-bis (2', 5;, 8', 11'-tetraaza-undecyl) benzene (MATRIEN) with Cu(II), Co (II), Ni(II), and Zn(II) are reported. Equilibrium constants are determined for the formation of mononuclear and dinuclear chelates of these metal ions, as well as several protonated and hydroxo chelates. Dioxygen combines with the cobalt (II) complex to form a stable dibridged (��-hydroxo)( ��-peroxo) dinuclear cobalt dioxygen complex. The autoxidation of the cobaltous complex through the formation of the dioxygen complex results in a metal-centered oxidation to form the dicobalt (III) chelate and hydrogen peroxide. The first step to the autoxidation reaction is first order with respect to the concentration of both the dioxygen complex and hydroxide ion. Protonation as well as metal binding constants with Cu(II), Co(II), Ni(II), and Zn(II) are determined at 25.0�� C and 0.100 M ionic strength for the hexaaza macrocycle L=3, 12, 20, 29, 35, 36, hexaaza- 6, 9,23, 26-tetraoxyatricyclo [29.3.1.1 ����� �����] hexatriaconta- 1(34), 14, 15, 17, 31, 32-hexaene (O2-BISBAMP). Mononuclear and dinuclear chelates of these metal ions are identified in all systems investigated. Mono, disprotonated and monohydroxy mononuclear complexes of O2-BISBAMP are formed with all metal ions studied.
Soliton-like Solutions To The Ordinary Schrödinger Equation Within Standard Quantum Mechanics
No full textIn recent times attention has been paid to the fact that (linear) wave equations admit of "soliton-like" solutions, known as localized waves or non-diffracting waves, which propagate without distortion in one direction. Such localized solutions (existing also for K-G or Dirac equations) are a priori suitable, more than gaussian's, for describing elementary particle motion. In this paper we show that, mutatis mutandis, localized solutions exist even for the ordinary (linear) Schrödinger equation within standard quantum mechanics; and we obtain both approximate and exact solutions, also setting forth for them particular examples. In the ideal case such solutions (even if localized and "decaying") are not square-integrable, as well as plane or spherical waves: we show therefore how to obtain finite-energy solutions. At last, we briefly consider solutions for a particle moving in the presence of a potential. © 2012 American Institute of Physics.535Bateman, H., Courant, R., Hilbert, D., Stratton, J.A., (1941) Electromagnetic Theory, 2, p. 356. , (Cambridge University Press, Cambridge)(Wiley, New York), (McGraw-Hill, New York)Rached, M.Z., Recami, E., Figueroa, H.E., Rached, M.Z., Recami, E., Figueroa, H.E., Recami, E., Rached, M.Z., Localized waves: a review (2009) Adv. Imaging Electron Phys., 156, pp. 235-355. , 10.1140/epjd/e2002-00198-7, H. E. H. Figueroa, M. Z. Rached, E. Recami, 10.1016/S1076-5670(08)01404-3, See, e.g. e-print arXiv:physics/0109062;, references therein;, edited by and (Wiley, New York)Rached, M.Z., Analytical expressions for the longitudinal evolution of nondiffracting pulses truncated by finite apertures (2006) J. Opt. Soc. Am. A, 23, pp. 2166-2176. , 10.1364/JOSAA.23.002166, See, e.g.references thereinLu, J., Greenleaf, J.F., Nondiffracting X-waves: exact solutions to free-space scalar wave equation, and their finite aperture realizations (1992) IEEE Trans. Ultrason. Ferroelectricity Freq. Control, 39, pp. 19-31. , 10.1109/58.166806Donnelly, R., Ziolkowski, R.W., Designing localized waves (1993) Proc. R. Soc., London A, 440, pp. 541-565. , 10.1098/rspa.1993.0033, Cf., e.g.references thereinBarut, A.O., Maccarrone, G.D., Recami, E., Recami, E., Recami, E., Zamboni-Rached, M., Dartora, C.A., Recami, E., Superluminal waves and objects: an up-dated overview of the relevant experiments (1995) Phys. Lett. A, 209 (6), p. 227. , 10.1007/BF02770989, 10.1007/BF02724327, 10.1103/PhysRevE.69.027602, 10.1016/0375-9601(95)00735-3, references therein;cf. also e-print arXiv:0804.1502Recami, E., Lu, J., Greenleaf, J.F., Recami, E., Limited diffraction solutions to Maxwell (and Schrödinger) equations (1998) Physica A, 252, pp. 586-610. , 10.1016/S0378-4371(97)00686-9, references therein;cf. also e-print arXiv:physics/9610012Recami, E., Rached, M.Z., Figueroa, H.E.H., Rached, M.Z., Recami, E., Figueroa, H.E.H., Structure of the nondiffracting waves and some interesting applications (2008) Localized Waves, pp. 43-77. , H. E. H. Figueroa, M. Z. Rached, E. Recami, H. E. H. Figueroa, M. Z. Rached, E. Recami, e-print arXiv:0708.1655;, edited by and (Wiley, New York), Chap. 1, e-print arXiv:0708.1209;, edited by and (Wiley, New York), Chap. 2Ziolkowski, W., Besieris, I.M., Shaarawi, A.M., Aperture realizations of exact solutions to homogeneous wave-equations (1993) J. Opt. Soc. Am. A, 10, p. 75. , 10.1364/JOSAA.10.000075, See, e.g., SectionsLu, J., Greenleaf, J.F., Saari, P., Reivelt, K., Bowlan, P., Valtna-Lukner, H., Lohmus, M., Trebino, R., Measuring the spatiotemporal field of ultrashort Bessel-X pulses (2009) Opt. Lett., 34, pp. 2276-2278. , 10.1109/58.143178, 10.1103/PhysRevLett.79.4135, 10.1364/OL.34.002276, see alsoRached, M.Z., Recami, E., Rached, M.Z., Recami, E., Sheppard, C.J.R., Longhi, S., Salo, J., Greenleaf, J.F., Comparison of sidelobes of limited diffraction beams and localized waves (1995) Acoust. Imaging, 21 (1), pp. 145-152. , 10.1103/PhysRevA.77.033824, 10.1364/JOSAA.19.002218, 10.1364/OL.29.000147, 10.1121/1.1350398, 10.1007/978-1-4615-1943-0, e-print arXiv:0709.2372 cf. also thomamperRached, M.Z., Recami, E., Figueroa, H.E.H., Rached, M.Z., Recami, E., Figueroa, H.E.H., Rached, M.Z., Stationary optical wave fields with arbitrary longitudinal shape, by superposing equal-frequency Bessel beams: frozen waves (2004) Opt. Express, 12, pp. 4001-4006. , 10.1364/JOSAA.22.002465, 10.1364/OPEX.12.004001, e-print arXiv:physics/0502105Shaarawi, A.M., Besieris, I.M., Ziolkowski, R.W., Shaarawi, A.M., Besieris, I.M., Ziolkowski, R.W., Shaarawi, A.M., Ziolkowski, R.W., (1994) Phys. Lett. A, 188, pp. 218-224. , 10.1063/1.528995, 10.1016/0920-5632(89)90450-7, 10.1016/0375-9601(94)90442-1, especially SectionBarut, A.O., Barut, A.O., Ignatovich, V.K., Barut, A.O., Grant, A., Barut, A.O., Bracken, A.J., Hillion, P., Quantum theory of single events: localized de Broglie-wavelets, Schrödinger waves and classical trajectories (1992) Phys. Lett. A, 172, p. 1. , 10.1016/0375-9601(90)90369-Y, 10.1016/0375-9601(92)90120-B, 10.1007/BF00717580, 10.1007/BF00769701, 10.1007/BF01889713, L. de Broglie, 10.1016/0375-9601(92)90179-P, cf. also , in , edited by (Kluwer, Dordrecht)Conti, C., Trillo, S., Conti, C., Generalition and nonlinear dynamics of X-waves of the Schrödinger equation (2004) Phys. Rev. E, 70, p. 046613. , 10.1103/PhysRevLett.92.120404, 10.1103/PhysRevE.70.046613, Cf., e.gFor some work in connection with the ordinary Schrödinger equation, see for instance, besides Ref. 7, also Ref. 14Christodoulides, D.N., Efremedis, N.K., Di Trapani, P., Malomed, B.A., Bessel X-waves in two- and three-dimensional bidispersive optical systems (2004) Opt. Lett., 29, pp. 1446-1448. , 10.1364/OL.29.001446Small, E., Katz, O., Esshel, Y., Silderberg, Y., Oron, D., Faccio, D., Averchi, A., Trillo, S., Spontaneously generated X-shaped light bullets (2003) Phys. Rev. Lett., 91, p. 093904. , 10.1364/OE.17.018659, 10.1364/OE.15.013077, 10.1103/PhysRevLett.91.093904Berry, M.V., Balas, N.L., Kalnius, E.G., Miller, W., Lie theory and separation of variables (1974) J. Math. Phys., 15, pp. 1728-1737. , 10.1119/1.11855, 10.1063/1.1666533, see alsoBesieris, I.M., Shaarawi, A.M., Ziolkowski, R.W., Nondispersive accelerating wave packets (1994) Am. J. Phys., 62, pp. 519-521. , 10.1119/1.17510Chong, A., Renninger, W.H., Christodoulides, D.N., Wise, F.W., Christodoulides, D.M., Bandres, M.A., Gutiérrez-Vega, J.C., Airy-Gauss beams and theirtransformation by paraxial optical systems (2007) Opt. Express, 15, pp. 16789-16728. , 10.1038/nphoton.2009.264, 10.1038/nphoton.2008.211, 10.1364/OE.15.016719Martin, T., Landauer, R., Chiao, R.Y., Kwiat, P.G., Steinberg, A.M., Ranfagni, A., Mugnai, D., Steinberg, A.M., (1995) Phys. Rev. A, 52, p. 32. , 10.1103/PhysRevA.45.2611, 10.1016/0921-4526(91)90724-S, 10.1063/1.104544, 10.1103/PhysRevA.52.32, See, e.g. references therein;see alsoRached, M.Z., Nóbrega, K.Z., Recami, E., Figueroa, H.E.H., Rached, M.Z., Nóbrega, K.Z., Recami, E., Fontana, F., Superluminal localized solutions to Maxwell equations propagating along a waveguide: the finite-energy case (2003) Phys. Rev. E, 67, p. 036620. , 10.1103/PhysRevE.66.046617, 10.1103/PhysRevE.64.066603, 10.1103/PhysRevE.67.036620, e-print arXiv:physics/0209104Barbero, A.P.L., Figueroa, H.E.H., Recami, E., Nimtz, G., Enders, A., Nimtz, G., Enders, A., Figueroa, H.E.H., A rigorous analysis of localized wave propagation in optical fibers (2001) Opt. Commun., 191 (6-7), pp. 49-54. , 10.1103/PhysRevE.62.8628, 10.1051/jp1:1992236, 10.1051/jp1:1993257, 10.1051/jp1:1994160, 10.1209/epl/i2002-00592-1, 10.1103/PhysRevA.65.052124, 10.1103/PhysRevE.65.046610, 10.1080/09500340410001664386, 10.1209/epl/i2004-10523-8, 10.1016/S0030-4018(01)01050-1, Cf. also e-printOlkhovsky, V.S., Recami, E., Jakiel, J., Unified time analysis of photon and nonrelativistic particle tunnelling (2004) Phys. Rep., 398, pp. 133-178. , 10.1016/j.physrep.2004.06.001, and references thereinMcLeod, J.H., McLeod, J.H., Durnin, J., Miceli, J.J., Eberly, J.H., Sheppard, C.J.R., Wilson, T., Sheppard, C.J.R., Gaussian-beam theory of lenses with annular aperture (1978) IEE J. Microwaves, Opt. Acoust., 2, pp. 163-166. , 10.1364/JOSA.44.000592, 10.1364/JOSA.50.000166, 10.1103/PhysRevLett.58.1499, 10.1049/ij-moa.1978.0023, 10.1049/ij-moa.1978.0035, see alsoFor pulses, however, the generation technique must deviate from optics', since in the Schrödinger equation case the phase of the Bessel beams produced through an annular slit would depend on the energyMackinnon, L., A nondispersive de Broglie wave packet (1978) Found. Phys., 8, p. 157. , 10.1007/BF00715205Gradshteyn, I.S., Ryzhik, I.M., (1965) Integrals, Series and Products, , 4th ed. (Academic, New York)Le Coq, Y., Thywissen, J.H., Rangwala, S.A., Gerbier, F., Richard, S., Delannoy, G., Bouyer, P., Esslinger, T., Optics with an atom laser beam (2001) Phys. Rev. Lett., 87, p. 030401. , 10.1103/PhysRevLett.87.170403, 10.1103/PhysRevLett.87.030401(2003) Ettore Majorana-Notes on Theoretical Physics, p. 512. , S. Esposito, E. Majorana Jr., A. van der Merwe, E. Recami, edited by , and (Kluwer, Dordrecht
Cherenkov Radiation Versus X-shaped Localized Waves: Reply
No full textOur aim in this paper is a reply to Seshadri's comments [J. Opt. Soc. Am. A 29, 2532 (2012)] on a previous article of ours, titled "Cherenkov radiation versus X-shaped localized waves" [J. Opt. Soc. Am. A 27, 928 (2010)], as well as to his more extended criticism of the extended special relativity theory, called by him nonrestricted relativity, and in particular of the extended Maxwell equations. © 2012 Optical Society of America.291225362541Seshadri, S.R., Cherenkov radiation versus X-shaped localized waves: Comment (2012) J. Opt. Soc. Am. A, 29, pp. 2532-2535Zamboni-Rached, M., Recami, E., Besieris, I.M., Cherenkov radiation versus X-shaped localized waves (2010) J. Opt. Soc. Am. A, 27, pp. 928-934Walker, S.C., Kuperman, W.A., Cherenkov-Vavilov formulation of X waves (2007) Phys. Rev. Lett., 99, p. 244802Hernández-Figueroa, H.E., Zamboni-Rached, M., Recami, E., (2008) Localized Waves, Theory and Applications, , WileyLu, J.-Y., Greenleaf, J.F., Experimental verification of nondiffracting X-waves (1992) IEEE Trans. Ultrason. Ferroelectr. Freq. Control, 39, pp. 441-446Saari, P., Reivelt, K., Evidence of X-shaped propagation invariant localized light waves (1997) Phys. Rev. Lett., 79, pp. 4135-4138Recami, E., Zamboni-Rached, M., Dartora, C.A., Localized X-shaped field generated by a superluminal charge (2004) Phys. Rev. e, 69, p. 027602. , and references thereinRecami, E., Zamboni-Rached, M., Localized waves: A review (2009) Adv. Imaging Electron Phys., 156, pp. 235-355Sommerfeld, A., Überlichtgeschwindigkeitsteilchen (1904) Proc. K. Ned. Akad. Wet., 8, pp. 346-367Sommerfeld, A., Zur electronentheorie (3 Tiele) (1905) Nach. Kgl. Ges. Wiss. Göttingen, Math. Naturwiss. Klasse 99-130, pp. 363-439. , 1904, 201-236Fröman, P.O., Historical background of the tachyon concept (1994) Arch. Hist. Exact Sci., 48, pp. 373-380Bilaniuk, O.-M., Deshpande, V.K., Sudarshan, E.C.G., Meta' relativity (1962) Am. J. Phys., 30, pp. 718-723Bilaniuk, O.-M., Sudarshan, E.C.G., Particles beyond the light barrier (1969) Phys. Today, 22, pp. 331-339Recami, E., Classical theory of tachyons (1986) Riv. Nuovo Cimento, 9 (6), pp. 1-178Mignani, R., Recami, E., Crossing relations derived from (extended) relativity (1975) Int. J. Theor. Phys., 12, pp. 299-320Pavšič, M., Recami, E., Charge conjugation and internal space-time symmetries (1982) Lett. Nuovo Cimento, 34, pp. 357-362Recami, E., Tachyon mechanics and causality: A systematic thorough analysis of the tachyon causal paradoxes (1987) Found. Phys., 17, pp. 239-296Barut, A.O., MacCarrone, G.D., Recami, E., On the shape of tachyons (1982) Nuovo Cimento A, 71, pp. 509-533Mignani, R., Recami, E., Tachyons do not emit Cherenkov radiation in vacuum (1973) Lett. Nuovo Cimento, 7, pp. 388-390Utkin, A.B., Droplet-shaped waves: Causal finite-support analogs of X-shaped waves (2012) J. Opt. Soc. Am. A, 29, pp. 457-462Morse, P.M., (1985) Theoretical Acoustics, , Princeton UniversityArias, E., Bessa, C.H.G., Svaiter, N.F., An analog fluid model for some tachyonic effects in Field Theory (2011) Mod. Phys. Lett. A 26, pp. 2335-2344. , and references thereinRecami, E., The Tolman antitelephone paradox: Its solution by tachyon mechanics 1985, reprinted in Electron (2009) J. Theor. Phys. (EJTP), 6, pp. 1-8Recami, E., Superluminal motions? A bird's-eye view of the experimental status-of-The-Art (2001) Found. Phys., 31, pp. 1119-1135Recami, E., Superluminal Waves and Objects: An Up-dated Overview of the Relevant Experiments, , arXiv :0804.1502 [physics]Recami, E., Rodrigues, W.A., A model theory for tachyons in two dimensions (1985) Gravitational Radiation and Relativity, 3, pp. 151-203. , J. Weber and T. M. Karade, eds., of Proceedings of the Sir Arthur Eddington Centenary Symposium World ScientificBarut, A.O., Chandola, H.C., Localized' tachyonic wavelet solutions to the wave equation (1993) Phys. Lett. A, 180, pp. 5-8Recami, E., Mignani, R., Magnetic monopoles and tachyons in special relativity (1976) Phys. Lett. B, 62, pp. 41-4
Simulation of thermal plant optimization and hydraulic aspects of thermal distribution loops for large campuses
No full textFollowing an introduction, the author describes Texas A&M University and its utilities system. After that, the author presents how to construct simulation models for chilled water and heating hot water distribution systems. The simulation model was used in a $2.3 million Ross Street chilled water pipe replacement project at Texas A&M University. A second project conducted at the University of Texas at San Antonio was used as an example to demonstrate how to identify and design an optimal distribution system by using a simulation model. The author found that the minor losses of these closed loop thermal distribution systems are significantly higher than potable water distribution systems. In the second part of the report, the author presents the latest development of software called the Plant Optimization Program, which can simulate cogeneration plant operation, estimate its operation cost and provide optimized operation suggestions. The author also developed detailed simulation models for a gas turbine and heat recovery steam generator and identified significant potential savings. Finally, the author also used a steam turbine as an example to present a multi-regression method on constructing simulation models by using basic statistics and optimization algorithms. This report presents a survey of the author??s working experience at the Energy Systems Laboratory (ESL) at Texas A&M University during the period of January 2002 through March 2004. The purpose of the above work was to allow the author to become familiar with the practice of engineering. The result is that the author knows how to complete a project from start to finish and understands how both technical and nontechnical aspects of a project need to be considered in order to ensure a quality deliverable and bring a project to successful completion. This report concludes that the objectives of the internship were successfully accomplished and that the requirements for the degree of Degree of Engineering have been satisfied
Diffraction-attenuation Resistant Beams
No full textDiffraction-Attenuation Resistant Beams are generated by suitably superposing Bessel beams. We report theoretical results revealing that they can be used not only for short-range applications, but also to overcome atmospheric attenuation in FSO. © 2011 Optical Society of America.Zamboni-Rached, M., Stationary optical wave fields with arbitrary longitudinal shape by superposing equal frequency Bessel beams: Frozen Waves (2004) Opt. Express, 12, pp. 4001-4006Zamboni-Rached, M., Recami, E., Hernández-Figueroa, H.E., Theory of frozen waves: modeling the shape of stationary fields (2005) J. Opt. Soc. Am. A, 22, pp. 2465-2475Zamboni-Rached, M., Diffraction-attenuation resistant beams in absorbing media (2006) Opt. Express, 14, pp. 1804-1809Zamboni-Rached, M., Ambrosio, L.A., Hernández-Figueroa, H.E., Diffraction-attenuation resistant beams: their higher-order versions and finite-aperture generations (2010) Appl, Opt., 49, pp. 5861-5869Goodman, J.W., (1996) Introduction to Fourier Optics, , McGraw-Hill, Chap. 3Bloom, S., Korevaar, E., Schuster, J., Willebrand, H., Understanding the performance of free-space optics [Invited] (2003) J. Opt. Networking, 2, pp. 178-20
Finite Aperture Realization Of The Diffraction-attenuation Resistant Beams In Absorbing Media
No full textIn this work, by making numerical simulations of the Rayleigh-Sommerfeld diffraction integral, we show the finite aperture realization of the recently discovered diffraction-attenuation resistant beams in absorbing media. © 2007 IEEE.761764M. Zamboni-Rached, Diffraction-Attenuation Resistant Beams in Absorbing Media, Optics Express, 14, pp. 1804-1809 (2006). (Also available as e-print arXiv:physics/0506067 v2 15 Jun 2005)Recami, E., Zamboni-Rached, M., Nóbrega, K.Z., Dartora, C.A., Hernández-Figueroa, H.E., On the localized superluminal solutions to the Maxwell equations (2003) IEEE Journal of Selected Topics in Quantum Electronics, 9, pp. 59-73. , and refs. therein. For a review, seeZamboni-Rached, M., Recami, E., Hernández- Figueroa, H.E., New localized Superluminal solutions to the wave equations with finite total energies and arbitrary frequencies (2002) European Physical Journal D, 21, pp. 217-228. , See, e.gSushilov, N.V., Tavakkoli, J., Cobbold, R.S.C., Propagation of limited-liffraction X-waves in dissipative media (2002) IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 49, pp. 675-68
Intern experience at CH���M Hill, Inc.: an internship report
No full textIncludes author's vita"Submitted to the College of Engineering of Texas A&M University in partial
fulfillment of the requirement for the degree of Doctor of Engineering."Includes bibliographical referencesA review of the author's internship experience with CH���M HILL, Inc.
during the period September 1975 through May 1976 is presented. During this nine month
internship the author worked as an Engineer II in the Industrial Processes discipline of this
large consulting engineering firm... The author's prime responsibility was as one of three
lead design engineers on the design of a large wastewater treatment facility for a pulp mill
in Hoquiam, Washington owned by ITT Rayonier Inc. The work generally consisted of the design
of individual treatment units and associated piping and pumping. The purpose of the project
was to provide wastewater treatment capabilities that would satisfy the effluent limitations
(standards) imposed upon the mill by the State of Washington Department of Ecology and the
U.S. Environmental Protection Agency. The author's assignment also entailed necessary
interaction with the project manager and other CH���M HILL design engineers and support staff
members, the client's representatives, and representatives of two other consulting engineering
firms working on the project. Thus, the internship position at CH���M HILL provided considerable
experience coordinating the author's work with the work of other engineers, guiding the design
and administrative efforts of a support staff, and interacting regularly with the client and
other consulting firms. This broad exposure to a variety of engineering and organizational
problems provided a valuable educational experience
Intern experience at the Texas Transportation Institute: an internship report
No full text"Submitted to the College of Engineering of Texas A&M University in partial
fulfillment of the requirements for the degree of Doctor of Engineering."Includes vita (leaf 91)Includes bibliographical references (leaf 57)This report discusses the author's engineering experience at the Texas
Transportation Institute (TTI), Texas A&M University from March 1974 through July 1977. A
report of this experience plus twelve additional hours of academic course work were
substituted for an internship according to requirements established by the College of
Engineering. Although the author could not retroactively establish objectives of the type
associated with a typical internship, the work experience gained could be related to the two
general objectives of an intership: 1. To demonstrate an identifiable contribution to the
organization in which the intern served, and 2. To enable the intern to become aware of the
non-technical aspects of working as an engineer in a non-academic environment. While a member
of the Texas Transportation Institute staff, the author worked on a number of projects in the
areas of highway traffic engineering research and the preparation of continuing education
courses for transportation engineering officials. These assignments were contained within the
Urban Transportation Systems Division of TTI. This report delineates the author's contribution
to four particular projects and discusses the technical as well as non-technical experience
gained from each. Having been exposed to more engineering situations than many of the other
Doctor of Engineering students, the author has already formulated some rather specific
milestones for the future. The Doctor of Engineering program is discussed in conjunction with
its potential for helping the author attain these career goals and objectives. Also, some
thoughts are presented regarding the Doctor of Engineering as a viable alternative to the
Ph.D. in preparing for a career in engineering higher education
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