A method for monitoring the variability in nuclear absorption characteristics of aviation fuels

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National Aeronautics and Space Administration, Scientific and Technical Information Division, For sale by the National Technical Information Service, distributor] , [Washington, DC], [Springfield, Va
Aircraft fuels., Nuclear radiation., Radiation absorption., Variabi
StatementDanny R. Sprinkle, Chih-Ping Shen.
SeriesNASA technical memorandum -- 4077.
ContributionsShen, Chih-pʻing, 1939-, United States. National Aeronautics and Space Administration. Scientific and Technical Information Division.
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL15406334M

Get this from a library. A method for monitoring the variability in nuclear absorption characteristics of aviation fuels. [Danny R Sprinkle; Chih-Ping Shen; United States. National Aeronautics and Space Administration.

Scientific and Technical Information Division.]. A method for monitoring the variability in nuclear absorption characteristics of aviation fuels A technique for monitoring variability in the nuclear absorption characteristics of aviation fuels has been developed.

It is based on a highly collimated low energy gamma radiation source and. A technique for monitoring variability in the nuclear absorption characteristics of aviation fuels has been developed.

It is based on a highly collimated low energy gamma radiation source and a sodium iodide counter. The source and the counter assembly are separated by Author: Chih-Ping Shen and Danny R.

Sprinkle. study, this variation was usually _ 15%, except for sample #2 (Paraperm-EW) where it exceeded 30% of fmin value. For sample #2, the A_ (Experimental) and _ (Calculated) values are much larger than the errors on them, clearly demonstrating the usefulness of the proposed technique.

A large variation of f might be expected in contact lens samples. Atomic absorption methods measure the amount of energy (in the form of photons of light, and thus a change in the wavelength) absorbed by the sample. Specifically, a detector measures the wavelengths of light transmitted by the sample (the "after" wavelengths), and compares them to the wavelengths, which originally passed through the sample.

and NFA. For monitoring of various parameters there have been used a wide spectrum of the methods based on various physical principles: radiation methods, a method of eddy currents, optical methods, etc. Introduction: The nuclear power now plays an essential role in generating of electricity in many countries of the world.

INTRODUCTION Atomic Absorption Spectroscopy (AAS) is a quantitative method of analysis that is applicable to many metals and a few non-metals. Almost every metallic element can be determined quantitatively by using the spectral absorption characteristics of atoms.

CHAPTER 4 Survey meters come in different shapes and sizes, depending upon the specific application (see Fig. The gas is usually a non-electronegative gas in order to avoid negative ion formation by electron attachment, which would increase the collection time in the detector, thus limiting the dose rate that can be monitored.

Methods of Calculation The Mole Method The Joule Method (BTU Method) 5. Heat of Combustion Calorific Value Higher and Lower Heating Values Combustion Temperatures 6.

Combustion products General Nitrogen Oxides Sulfur Dioxides Nuclear Reactor Theory Remotely Monitoring and Modelling of Renewable Energy of a Controlled Home Placed in A Statistical Analysis of Wind Characteristics Using Log-normal and Gamma Distribution in Evaluation of.

This determination for solid fuels is best carried out in the bomb calorimeter to the methods laid down precisely in B.S. 5, A.S.T.M. D, or I.S.O. Bomb is made of Austenitic Cr–Ni–Mo steel (resistance to corrosion) of capacity to ml and of sufficient strength to withstand the combustion of 1 g of coal or oil in.

Description A method for monitoring the variability in nuclear absorption characteristics of aviation fuels EPUB

Turbine engine fuels are more susceptible to water contamination than aviation gasoline because they are _____ viscous then gasoline More Micro organisms live in the water which condenses and collects in the integral fuel tanks of a jet airplane, they form a scum that holds the water against the aluminium alloy structure and cause _______________.

radiological monitoring and assessment activities. This document was developed to provide guidance a radiological or nuclear incident of national significance (INS). Risk Using Beta-Gamma Radionuclide-Specific Methods Table 9 – Air Monitoring: Air Filter Counting Times for Various PAGs and Sampling Rates and.

The two basic characteristics of a gyroscope that make it useful as a flight instrument are: Lines of equal variation on aeronautical charts are called _____ isogonic lines.

The line of zero variation is known as the _____ The mass type flowmeter is the _____ method of measuring fuel flow. most accurate. What is meant by each of these. This book is intended as a guide to analysts in the selection of techniques and instrument settings for practical flame spectroscopy.

Although the techniques and settings quoted will give satisfactory results for the majority of determinations, it is impossible in the space of this book to provide for all contingencies. ASTM's petroleum standards are instrumental in the evaluation and assessment of the physical, mechanical, rheological, thermal, and chemical properties of crude oils, lubricating grease, automobile and aviation gasoline, hydrocarbons, and other naturally occurring energy resources used for various industrial applications.

A module based optimization method using genetic algorithms (GA), and multivariate regression analysis has been developed to optimize a set of parameters in the design of a nuclear reactor.

Space-based monitoring has been regularly performed since the start of the Geosynchronous Operational Environmental Satellite (GOES) program in the s. But until recently, the typical method of measuring dose at commercial aviation altitudes was by in situ instruments that were returned after flight for analysis.

The Multi-Isotope Process (MIP) Monitor provides an efficient means to monitor the process conditions in used nuclear fuel reprocessing facilities to support process verification and validation. The MIP Monitor applies multivariate analysis to gamma spectroscopy of key stages in the reprocessing stream in order to detect small changes in the.

S.K. Pradhan, Ambade B.() A modified method for the determination of uranium in Nb/Ta minerals by LED Fluorimetry, Journal of Radioanalytical and Nuclear Chemistry2, – (IF: ) B.

Ambade () The air pollution during Diwali festival by the burning of fireworks in Jamshedpur city, India, Urban Climate, 26, https. Both routine and advanced methods are described and it is discussed how they can be interpreted for 4-stroke and 2-stroke engine applications.

The laboratory oil analysis is a snap-shot of oil condition at the time the oil sample was taken. Filling the gap between oil sampling can be done with on-line monitoring or with on-site analysis using.

- is the primary search tool for Department of Energy science, technology, and engineering research information funded by the US Department of Energy and the organizational hub for the Office of Scientific and Technical Information.

- search tool, Department of Energy science, Department of Energy technology, Department of Energy engineering, Department of Energy research. Jet fuel or aviation turbine fuel (ATF, also abbreviated avtur) is a type of aviation fuel designed for use in aircraft powered by gas-turbine is colorless to straw-colored in appearance.

The most commonly used fuels for commercial aviation are Jet A and Jet A-1, which are produced to a standardized international specification. The process of method origination has a direct impact on the quality of analytical data.

We have extensive experience developing robust methods to address the specific detection of elements or phases in complex matrices, minimizing impurity interferences, achieving detection limits and minimizing noise and variability.

Monitoring System Source: Sabeus Interferometric and DAS systems can monitor 25 km or longer DTS and DTSS systems have been used to monitor leaks which cause a local temperature drop •Fiber optic interferometric array monitors about 25 Km •Multiple arrays cover hundreds of km •Data transferred through wireless node •In evaluation trials.

Commercial spent nuclear fuel (SNF) in the United States is stored at 74 nuclear reactor sites, including currently operating and shutdown sites. A small number of SNF assemblies are also stored at a private storage facility (GE Morris in Illinois) and at US Department of Energy (DOE) facilities (e.g., Idaho National Laboratory [INL]).

Reducing mishaps from medical management is central to efforts to improve quality and lower costs in health care. Nearly patients are estimated to die preventable deaths annually in hospitals in the United States, with many more incurring injuries at an annual cost of $9 billion.

Underreporting of adverse events is estimated to range from 50%% annually.1–3 This annual toll. Aviation Fuels with Improved Fire Safety: One of the most important characteristics of aviation fuel is the ability to act as a coolant for other systems and to burn the absorbed heat in the combustion process.

The ability of the fuel to perform this function is governed by the specific heat of the fuel and the maximum temperature to which. Black carbon (BC) aerosol, as a typical optical absorption aerosol, is of great significance to the study of climate and radiation.

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The China Atmosphere Watch Network (CAWNET), established by the China Meteorological Administration (CMA), contains 35 BC-monitored stations, which have been collecting data using commercial Aethalometer instruments (AEs) since The 51st volume of "International Journal of Engineering Research in Africa" includes peer-reviewed manuscripts reflecting the research results in the fields of materials science, applied mechanics, mechanical and power engineering, biomass processing, communication, construction, engineering management, and applied use of computational procedures and optimization methods in the.

D() Standard Test Method for Manganese in Gasoline By Atomic Absorption Spectroscopy. D() Standard Test Method for Solidification Point of Petroleum Wax.

D Standard Test Method for Determining Water Separation Characteristics of Aviation Turbine Fuels by Portable Separometer.Ammonia (NH3), the most prevalent alkaline gas in the atmosphere, plays a significant role in PM formation, atmospheric chemistry, and new particle formation.

This paper reviews quantification of [NH3] through measurements, satellite-remote-sensing, and modeling reported in over publications towards synthesizing the current knowledge of [NH3], focusing on spatiotemporal variations.

Details A method for monitoring the variability in nuclear absorption characteristics of aviation fuels EPUB

Hydrocarbon fuels will remain essential for modern air travel. Sustainable aviation fuels are expensive, produced in negligible volumes, and provide CO2 savings only on paper. Despite powerful concerns about the need to fight climate change, it is unlikely that sustainable fuels will ever be a major source of aviation fuel.