Author: Cheng-Wei WuPublisher:
ISBN:
Category :
Languages : en
Pages : 308
Book Description
Multi-isotopic Transuranic Waste Interrogation Using Delayed Neutron Nondestructive Assay and Iterative Quadratic Programming Techniques
Author: Cheng-Wei WuCurrent Status of the Multi-isotopic Transuranic-waste-assay System
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
We have designed, constructed, tested, and are scheduled to field a 208-l barrel-sized working version of our multi-isotopic transuranic assay system. This system uses both passive neutron multiplicity and pulsed active measurements to identify and quantify spontaneous neutron emitters and fissile TRU isotopes. Using the system we can separately quantify up to seven individual transuranic isotopes under favorable conditions with the intrinsic sensitivity to screen or assay barrels at or below the 10 nCi/g transuranic level. Our measured 3 sigma sensitivity for 239Pu is about 0.5 mg. A large range of waste matrix materials can be accommodated by the system, as well as extremes in both gamma-ray and neutron backgrounds.
Dissertation Abstracts International
Author: Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 824
Book Description
American Doctoral Dissertations
Author: Publisher:
ISBN:
Category : Dissertation abstracts
Languages : en
Pages : 872
Book Description
High-sensitivity Transuranic Waste Assay by Simultaneous Proton and Thermal-neutron Interrogation Using an Electron Linear Accelerator
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Simultaneous photon and neutron interrogation from electron linear accelerator pulses is used as the basis for a unique assay technique for transuranics. Both prompt and delayed neutrons from the induced fissions are counted on a single detection system, and the contributions from each interrogating flux are resolved. Detection limits (3 sigma) for 239Pu were estimated to be 3 mg for prompt fission neutrons and 6 mg for delayed neutrons. The technique also provides a clear distinction between fissile and fertile nuclides.
Passive Nondestructive Assay of Nuclear Materials
Author: Doug ReillyPublisher:
ISBN: 9780160327247
Category : Non-destructive testing
Languages : en
Pages : 700
Book Description
Radiation Safety
Author: Haydee DomenechPublisher: Springer
ISBN: 3319426710
Category : Technology & Engineering
Languages : en
Pages : 334
Book Description
This book discusses important fundamentals of radiation safety with specific details on dose units, calculations, measuring, and biological effects of ionizing radiation. The author covers different exposure situations and their requirements, and relevant legislation and regulations governing radiation safety. The book also examines radioactive waste management, the transport of radioactive materials, emergency planning and preparedness and various examples of radiation protection programs for industrial, medical, and academic applications.
Polarized Neutrons
Author: W. Gavin WilliamsPublisher:
ISBN:
Category : Science
Languages : en
Pages : 368
Book Description
This book provides the experimental condensed-matter researcher with a description of the variety of material characteristics which can now be investigated with polarized neutrons. Included are two extensive chapters on basic theory and currently available instrumentation, and a presentation and discussion of scientific results obtained from a wide range of experiments: diffraction, critical reflection, elastic and inelastic polarization analysis, and neutron spin precession methods like spin-echo spectroscopy.
Microwave Power Engineering
Author: Ernest C. OkressPublisher: Academic Press
ISBN: 148322239X
Category : Technology & Engineering
Languages : en
Pages : 375
Book Description
Microwave Power Engineering, Volume 1: Generation, Transmission, Rectification considers the components, systems, and applications and the prevailing limitations of the microwave power technology. This book contains four chapters and begins with an introduction to the basic concept and developments of microwave power technology. The second chapter deals with the development of the main classes of high-power microwave and optical frequency power generators, such as magnetrons, crossed-field amplifiers, klystrons, beam plasma amplifiers, crossed-field noise sources, triodes, lasers. The third chapter describes the efficient transmission of high microwave power by means of oversize tubular metallic, surface, beam, and free space beam transmission waveguides. The fourth chapter is devoted to the many different approaches to a microwave rectifier. This book will prove useful to microwave power engineers and researcher who are interested in the application areas of the technology.
Author: