ENNU -- Engineering, Nuclear

ENNU 430 Radioisotope Power Sources (3) Prerequisite: ENNU 215 or permission of both department and instructor. Principles and theory of radioisotope power sources. Design and use of nuclear batteries and small energy conversion devices.

ENNU 435 Activation Analysis (3) Prerequisite: ENNU 215 or permission of both department and instructor. Principles and techniques of activation analysis involving neutrons, photons and charged particles. Emphasis placed upon application of this analytical technique to solving environmental and engineering problems.

ENNU 440 Nuclear Technology Laboratory (3) One hour of lecture and four hours of laboratory per week. Prerequisites: MATH 240; and PHYS 263. Techniques of detecting and making measurements of nuclear or high energy radiation. Radiation safety experiments. Both a sub-critical reactor and the swimming pool critical reactor are sources of radiation.

ENNU 441 Nuclear Engineering Laboratory I (1) One hour of lecture and two hours of laboratory per week. Corequisite: ENNU 450. Methods of radiation detection. Principles and uses of radiation detectors and electronics. Geiger counting and statistical analysis. Fundamentals of gamma spectroscopy.

ENNU 442 Nuclear Engineering Laboratory II (1) One hour of lecture and two hours of laboratory per week. Prerequisite: ENNU 441. Corequisite: ENNU 455. Principles of radiation detectors and electronics. Use of Maryland University Training Reactor for criticality experiments and activation analysis. Fundamental heat transfer experiments. Data acquisition and analysis.

ENNU 443 Nuclear Engineering Laboratory III (1) One hour of lecture and two hours of laboratory per week. Prerequisites: ENNU 441 and ENNU 442. Heat transfer, fluid flow, boiling experiments. Applications to reactor systems and components. Observation of thermalhydraulic phenomena. Gamma shielding analysis.

ENNU 450 Nuclear Reactor Engineering I (3) Prerequisites: {MATH 246; and PHYS 263} or permission of both department and instructor. Elementary nuclear physics, reactor theory, and reactor energy transfer. Steady-state and time-dependent neutron distributions in space and energy. Conduction and convective heat transfer in nuclear reactor systems.

ENNU 455 Nuclear Reactor Engineering II (3) Prerequisite: ENNU 450. General plant design considerations including radiation hazards and health physics, shielding design, nuclear power economics, radiation effects on reactor materials, and various types of nuclear reactor systems.

ENNU 460 Nuclear Heat Transport (3) Prerequisite: ENNU 450. Heat generation in nuclear reactor cores, conduction and transfer to coolants. Neutron flux distributions, fission and heat release. Steady and unsteady state conduction in fuel elements. Heat transfer to nonmetallic and metallic coolants. Heat transfer with phase change. Thermal design of reactor cores.

ENNU 461 Chemical Separation in the Nuclear Cycle Reactor Fuel (3) Prerequisite: ENNU 450 or permission of both department and instructor. An introduction to chemical and physical separation of the nuclear reactor fuel. Basic separation processes, reactor fuel fabrication, reactor chemistry problems and the handling and treatment of radioactive waste. Calculations of plant design and operation. Related safety issues.

ENNU 465 Nuclear Reactor Systems Analysis (3) Prerequisites: MATH 246; and PHYS 263; and ENNU 455 or permission of both department and instructor. Power reactor (BWR,PWR,HTGR) system design and analysis. System specifications and modes of operation. Plant documentation (PSAR,FSAR, etc.). Piping and instrumentation drawings. Theory and application of pump and piping calculations. Steam power plant cycles and calculations. Steam plant equipment (turbines, heaters, condensers, etc.) analysis.

ENNU 468 Research (2-3) Prerequisite: permission of both department and instructor. Repeatable to 6 credits. Investigation of a research project under the direction of one of the staff members. Comprehensive reports are required.

ENNU 470 Introduction to Controlled Fusion (3) Prerequisite: senior standing in engineering or permission of both department and instructor. The principles and the current status of research to achieve controlled thermonuclear power production. Properties of ionized gases relating to confinement and heating. Concepts of practical fusion devices.

ENNU 480 Reactor Core Design (3) Prerequisite: ENNU 450 or permission of both department and instructor. Design of nuclear reactor cores based on a sequence of standard computer codes. Thermal and epithermal cross sections, multigroup diffusion theory in one and two dimensions and fine structure flux calculations using transport theory.

ENNU 485 Nuclear Reactor Thermalhydraulics (3) Prerequisites: ENNU 465, ENME 321 and ENME 342 or equivalent. Thermalhydraulic response of nuclear power plant systems. Accident analysis and impact of emergency systems. Boiling phenomena, nucleate boiling, critical heat flux, condensation. Containment thermalhydraulic analysis. Overview of principal thermalhydraulic computer codes.

ENNU 489 Special Topics in Nuclear Engineering (3) Prerequisite: permission of department. Repeatable to 6 credits if content differs. Selected topics of current importance in nuclear engineering.

ENNU 490 Nuclear Fuel and Power Management (3) Prerequisites: {ENNU 460; and ENNU 480} or permission of both department and instructor. Physics and economics of the nuclear fuel cycle utilizing existing design codes. Mining, conversion, enrichment, fabrication, reprocessing processes. Effects of plutonium recycle, in-core shuffling, fuel mechanical design and power peaking on fuel cycle costs.

ENNU 495 Nuclear Engineering Systems Design (3) Two hours of lecture and three hours of laboratory per week. Prerequisites: ENNU 455 and ENNU 480 and Senior standing in nuclear engineering. Senior capstone design course. Major design experience that emphasizes putting student's engineering knowledge into practice. Design topic is one of current interest in nuclear engineering. Design methodology, creativity, feasibility, reliability, and economic analyses of the overall design required. Students work in teams, and present oral and written design reports.

ENNU 605 Radiation Sciences (3) Nuclear structure and radioactivity; ionizing and non-ionizing radiation; energy disposition and radiation dose; radiation interactions; sources of radiation; radiation chemistry; applications of radiation - accelerators, activations analysis, industrial and medical uses; radiation processing and manufacturing.

ENNU 609 Seminar in Nuclear Engineering (1)

ENNU 610 Radiation Transport (3) Characterization of radiation fields and sources; radiation interactions; photon and neutron response functions; deterministic transport theory -- the transport equation, approximations, discrete ordinates, integral transport method; Monte Carlo methods -- stochastic variables, simple analog Monte Carlo calculation, variance reduction methods, non-analog methods.

ENNU 615 Transport Phenomena in Solids and Single-Phase Media (3) Momentum transport -- viscosity, laminar flow, isothermal system equations, transient and multidimensional analysis, axisymmetric laminar flows, turbulent flows, phase transport; Energy transport -- mechanisms, temperature distributions, nonisothermal system equations, microscale heat transfer, turbulent flow, phase transport; Mass transport -- mechanisms, concentration distributions, diffusion, interphase transport. 

ENNU 620 Mathematical Techniques for Engineering Analysis and Modeling (3)  Probability and probability distributions; statistics; ordinary differential equations; linear algebra and vectors; Laplace transform; Fourier analysis; boundary value problems; series solutions to differential equations; partial differential equations; numerical methods.

ENNU 625 Advanced Thermodynamics (3) Equilibrium and state quantities; thermodynamics laws; phase transitions; chemical reactions; potentials; entropy; ensemble theory; ensemble theory; Boltzmann statistics; density operators; ideal and real gases; critical point phenomena; second law.

ENNU 630 Nuclear Reactor Physics I (3) Prerequisite: ENNU 450 or permission of both department and instructor. Introduction to neutron physics. Elements of neutron slowing-down theory. The Boltzman transport equation is developed together with approximations such as PN, SN, and Fermi Age. Nuclear systems are theoretically treated utilizing the diffusion approximation, the Fermi Age method and the P-3 method. Elementary temperature and time dependence.

ENNU 631 Thermal Aspects of Nuclear Systems (3) Prerequisite: ENNU 605, ENNU 620, ENNU 625 Light water reactor systems; heat generation and thermal design principles; thermodynamics of nuclear energy conversion systems -- nonflow and steady flow first and second law applications, transient flow first law applications, containment response.

ENNU 632 Thermohydraulics in Nuclear Systems (3) Prerequisite: ENNU 631 Thermal analysis of fuel elements; heat conduction; thermal properties; temperature distribution; heat channel transient analysis; flow loops -- steady state and transient, single and two phase; scaling methodologies; core and subchannel analysis; two-phase flow instabilities; uncertainties in thermal analysis.

ENNU 633 Convective Transport Phenomena in Single and Multi-Phase Systems (3) Prerequisite: ENNU 631 Single medium -- single phase systems, two-phase systems; Two media -- solid-fluid systems; continuous interface, larger interfacial area, fluid-fluid systems; Three media -- solid-solid-fluid systems, solid-liquid-gas systems.

ENNU 640 Nuclear Reactor Physics II (3) Second semester. Mathematical treatment of nuclear reactor systems. The foundations of nuclear reactor kinetics, the multigroup treatment, reflected reactor theory, heterogeneous reactors, perturbation theory. Thermalization theory and the pulse and sine-wave techniques. Introduction to variational methods.

ENNU 641 Applied Radiation Physics (3) Prerequisites: ENNU 605, ENNU 620, ENNU 625 Kerma, energy deposition, exposure; exponential attenuation; photon interactions; charged particle and radiation equilibria; charge particle interactions; cavity theory; x-ray production and radiation quality; dosimetry and calibration.

ENNU 642 Applied Radiation Chemistry (3) Prerequisite: ENNU 641 Theoretical aspects; primary products; kinetics; rack models; chemical yields; electron properties and reactions; gases; water and aqueous solutions; organic liquids and solids; polymer; radiation-induced polymerization; radiation processing.

ENNU 643 Radiation Processing in Advanced Manufacturing (3) Prerequisite: ENNU 641 Radiation processing facilities for industrial production -- electron beam, gamma, x-ray; types of electron beam machines; radiation processing -- yields, G-values, throughput, efficiency; radiation in advance manufacturing; radiation sensors and dosimetry; sterilization of industrial products; radiation-physical technology.

ENNU 648 Special Problems in Nuclear Engineering (1-16)

ENNU 649 Selected Topics in Nuclear Engineering (1-3) Prerequisite: permission of department. Repeatable to 6 credits if content differs. Topics of current interest in nuclear engineering.

ENNU 651 Risk and Performance Based Technologies (3) Prerequisite: ENNU 605, ENNU 620, ENNU 625 Course is crosslisted with ENRE 670

ENNU 652 Principles of Reliability of Analysis (3) Prerequisite: ENNU 651 Course is crosslisted with ENRE 602

ENNU 653 Mechanical Reliability of Materials Prerequisite: ENNU 651 Introduction to engineering materials; atomic structure; diffusion; defects; phase equilibria; kinetics and microstructures; deformations; fracture; materials testing; fatigue and creep; thermal properties; failure mechanisms; fractrography; failure modeling.

ENNU 655 Radiation Engineering (3) Prerequisite: permission of both department and instructor. An analysis of such radiation applications as synthesizing chemicals, preserving foods, control of industrial processes, design of irradiation installations. E.G., Cobalt 60 gamma ray sources, electronuclear machine arrangement, and chemonuclear reactors.

ENNU 671 Nuclear Reactor Laboratory (3) One hour of lecture and four hours of laboratory per week. Prerequisite: permission of both department and instructor. The University of Maryland swimming pool reactor is employed in experiments on reactor start-up and operation, shielding, control, neutron flux distributions, neutron and gamma spectrum, cross-section measurements.

ENNU 720 Neutral Particle Transport Theory (3) Prerequisite: ENNU 630 or permission of both department and instructor. First semester. Transport equations for neutrons and gamma rays. Infinite space and Milne problems. Spherical harmonic and variational methods. Special methods of solving transport equations.

ENNU 730 Radiation Shielding and Energy Deposition (3) Prerequisite: ENNU 630 or permission of both department and instructor. A study of the interactions of nuclear radiations with matter. Includes electron, gamma and neutron attenuation, dose calculations, chemical changes, heat generation and removal in shields. Fall semester.

ENNU 761 Nuclear Fuel and Waste Processing (3) First semester. Processing of nuclear fuel and treatment of nuclear waste. Includes: processing of uranium, thorium, and other ores; chemical separation of plutonium, uranium, fission products and other elements from materials irradiated in nuclear reactors; treatment of radioactive wastes; isotopic separation of U235; and isotopic separation of heavy water and other materials.

ENNU 799 Master's Thesis Research (1-6)

ENNU 840 Nuclear Reactor Design (3) Prerequisite: ENNU 630 or permission of both department and instructor. The design features of nuclear reactor systems. The preliminary design of a reactor is carried out by the student. Core design including heat transfer, control system, safety systems and shielding. Standard computer programs are utilized throughout.

ENNU 899 Doctoral Dissertation Research (1-8)