Tag: Pressure

September 13, 2024

The Emergence of Pressure Blade Making From Origin to Modern Experimentation

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Free Download The Emergence of Pressure Blade Making: From Origin to Modern Experimentation By Pierre M. Desrosiers (auth.), Pierre M. Desrosiers (eds.)
2012 | 536 Pages | ISBN: 1461420024 | PDF | 14 MB
Human development is a long and steady process that began with stone tool making. Because of this skill, humans were able to adapt to climate changes, discover new territories, and invent new technologies. "Pressure knapping" is the common term for one method of creating stone tools, where a larger device or blade specifically made for this purpose is use to press out the stone tool. Pressure knapping was invented in different locations and at different points in time, representing the adoption of the Neolithic way of life in the Old world.Recent research on pressure knapping has led for the first time to a global thesis on this technique. The contributors to this seminal work combine research findings on pressure knapping from different cultures around the globe to develope a cohesive theory. This contributions to this volume represents a significant development to research on pressure knapping, as well as the field of lithic studies in general.This work will be an important reference for anyone studying the Paleolithic, Mesolithic, and Neolithic periods, lithic studies, technologies, and more generally, cultural transmission.

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September 12, 2024

Plasticity of Pressure-Sensitive Materials

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Free Download Plasticity of Pressure-Sensitive Materials By Holm Altenbach, Andreas Öchsner
2013 | 373 Pages | ISBN: 364240944X | PDF | 8 MB
Classical plasticity theory of metals is independent of the hydrostatic pressure. However if the metal contains voids or pores or if the structure is composed of cells, this classical assumption is no more valid and the influence of the hydrostatic pressure must be incorporated in the constitutive description. Looking at the microlevel, metal plasticity is connected with the uniform planes of atoms organized with long-range order. Planes may slip past each other along their close-packed directions. The result is a permanent change of shape within the crystal and plastic deformation. The presence of dislocations increases the likelihood of planes slipping.Nowadays, the theory of pressure sensitive plasticity is successfully applied to many other important classes of materials (polymers, concrete, bones etc.) even if the phenomena on the micro-level are different to classical plasticity of metals. The theoretical background of this phenomenological approach based on observations on the macro-level is described in detail in this monograph and applied to a wide range of different important materials in the last part of this book.

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September 12, 2024

PVHO-1 – 2002 Safety Standard for Pressure Vessels for Human Occupancy

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Free Download Asme, "PVHO-1 – 2002 Safety Standard for Pressure Vessels for Human Occupancy"
English | 2002 | pages: 146 | ISBN: 0791827526 | PDF | 7,6 mb
This Standard provides requirements for the design, fabrication, inspection, testing, marking, and stamping of pressure vessels for human occupancy, having an internal or external pressure differential exceeding 2 psi, hereafter called PVHOs or chambers. This Standard also provides requirements for the design, fabrication, inspection, testing, cleaning, and certification of piping systems for PVHOs. A PVHO is a pressure vessel that encloses a human being within its pressure boundary while it is under internal or external pressure that exceeds a 2 psi differential pressure. PVHOs include, but are not limited to, submersibles, diving bells, personnel transfer capsules, decompression chambers, recompression chambers, hyperbaric chambers, high altitude chambers, and medical hyperbaric oxygenation facilities. This does not include nuclear reactor containments, pressurized airplane and aerospace vehicle cabins, and caissons.

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April 25, 2024

Cooking Under Pressure (20th Anniversary Edition)

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Free Download Lorna J Sass, "Cooking Under Pressure (20th Anniversary Edition)"
English | 2009 | pages: 301 | ISBN: 0061707872, 0688088147 | EPUB | 1,5 mb
The 20th Anniversary Edition of the classic cookbook from the leading authority on speed-cooking, Cooking Under Pressure by Lorna Sass offers a mouthwatering array of extraordinary dishes that can be prepared in minutes-from classic ossobucco to chocolate cheesecake-using a pressure cooker. A James Beard Award-winning cookbook author and food writer who has written for the Washington Post, New York Times, Food & Wine, Woman’s Day and other publications, Lorna Sass shows you how to turn out meals in one-third the time of conventional methods without sacrificing moisture, flavor, aroma, or nutritional content. Newly updated and revised for contemporary tastes and more efficient machines, Cooking Under Pressure is the cookbook that inspired a whole generation of home cooks to dust off their pressure cookers.

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January 31, 2024

Quick and Easy Electric Pressure Cooker Cookbook Delicious and Foolproof Recipes for Beginners (New Shoe Press)

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Free Download Quick and Easy Electric Pressure Cooker Cookbook: Delicious and Foolproof Recipes for Beginners (New Shoe Press) by Barbara Schieving
English | January 24, 2023 | ISBN: 0760383480 | 144 pages | PDF | 5.58 Mb
Make delicious meals in a fraction of the usual time using your electric pressure cooker, with clever shortcuts and 100+ family-friendly recipes from noted blogger Barbara Schieving (of PressureCookingToday.com).

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