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The work contained in this report was carried out as part of the National Physical Laboratory's MTS Programme on Processability, the purpose of which was to provide engineers with the best possible data on commercially available alloys to help with the mathematical modelling of processes such as casting and refining. Mathematical modelling has become an increasingly useful tool in improving process control and efficiency and product quality. Models have been developed to the stage where one of the prime requirements is for accurate and reliable data for the thermophysical properties involved in the heating and fluid flow processes. There is very little available data in the standard literature on commercial alloys so this report fulfills a real need for all those involved in modelling processes with commercially available alloys by providing valuable data relating to: Fraction solid Melting range Heat capacity Enthalpy Thermal diffusivity and conductivity Emissivity density Viscosity Surface tension The book also provides a model for assessing the properties of alloys not covered individually in the work by reference to their chemical composition. Recommended values of thermophysical properties for selected commercial alloys is an important new data source for all metals refiners, metallurgists, materials scientists and engineers needing to understand the thermophysical properties of alloys for casting, primary or secondary refining. Provides critically assessed data for thermophysical properties of widely used commercial alloys Essential information for the development and mathematical modelling of processes such as casting and refining Contains valuable and unique data developed from testing programmes carried out at the National Physical Laboratory, UK
that about 100 journals are required to yield fifty In 1957, the Thermophysical Properties Research percent. But that other fifty percent! It is scattered Center (TPRC) of Purdue University, under the leadership of its founder, Professor Y. S. Touloukian, through more than 3500 journals and other docu began to develop a coordinated experimental, ments, often items not readily identifiable or ob tainable. Over 85,000 references are now in the theoretical, and literature review program covering a set of properties of great importance to science and files. technology. Over the years, this program has grown Thus, the man who wants to use existing data, rather than make new measurements himself, faces steadily, producing bibliographies, data compila a long and costly task if he wants to assure himself tions and recommendations, experimental measure ments, and other output. The series of volumes for that he has found all the relevant results. More often which these remarks constitute a foreword is one of than not, a search for data stops after one or two results are found-or after the searcher decides he these many important products. These volumes are a monumental accomplishment in themselves, re has spent enough time looking. Now with the quiring for their production the combined knowledge appearance of these volumes, the scientist or engineer and skills of dozens of dedicated specialists. The who needs these kinds of data can consider himself very fortunate.
Preparation, Characterization, Properties and Application of Nanofluid begins with an introduction of colloidal systems and their relation to nanofluid. Special emphasis on the preparation of stable nanofluid and the impact of ultrasonication power on nanofluid preparation is also included, as are characterization and stability measurement techniques. Other topics of note in the book include the thermophysical properties of nanofluids as thermal conductivity, viscosity, and density and specific heat, including the figure of merit of properties. In addition, different parameters, like particle type, size, concentration, liquid type and temperature are discussed based on experimental results, along with a variety of other important topics. The available model and correlations used for nanofluid property calculation are also included. - Provides readers with tactics on nanofluid preparation methods, including how to improve their stability - Explores the effect of preparation method and stability on thermophysical and rheological properties of nanofluids - Assesses the available model and correlations used for nanofluid property calculation
This exhaustive work in three volumes with featuring cross-reference system provides a thorough overview of ultra-high temperature materials – from elements and chemical compounds to alloys and composites. Topics included are physical (crystallographic, thermodynamic, thermo-physical, electrical, optical, physico-mechanical, nuclear) and chemical (solid-state diffusion, interaction with chemical elements and compounds, interaction with gases, vapours and aqueous solutions) properties of the individual physico-chemical phases and multi-phase materials with melting (or sublimation) points over or about 2500 °C. The first volume focuses on carbon (graphite/graphene) and refractory metals (W, Re, Os, Ta, Mo, Nb, Ir). The second and third volumes are dedicated solely to refractory (ceramic) compounds (oxides, nitrides, carbides, borides, silicides) and to the complex materials – refractory alloys, carbon and ceramic composites, respectively. It will be of interest to researchers, engineers, postgraduate, graduate and undergraduate students in various disciplines alike. The reader is provided with the full qualitative and quantitative assessment for the materials, which could be applied in various engineering devices and environmental conditions at ultra-high temperatures, on the basis of the latest updates in the field of physics, chemistry, materials science, nanotechnology and engineering.