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Crude - A Memoir (Hardcover): Pablo Fajardo, Sophie Tardy-Joubert Crude - A Memoir (Hardcover)
Pablo Fajardo, Sophie Tardy-Joubert; Illustrated by Damien Roudeau; Translated by Hannah Chute
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R577 R530 Discovery Miles 5 300 Save R47 (8%) Ships in 9 - 15 working days

Oil waste was everywhere-on the roads, in the rivers where they fished, and in the water that they used for bathing, cooking, and washing. Children became sick and died, cases of stomach cancer skyrocketed, and women miscarried or gave birth to children with congenital disorders. The American oil company Texaco-now part of Chevron-extracted its first barrel of crude oil from Amazonian Ecuador in 1972. It left behind millions of gallons of spilled oil and more than eighteen million gallons of toxic waste. In Crude, Ecuadorian lawyer and activist Pablo Fajardo gives a firsthand account of Texaco's involvement in the Amazon as well as the ensuing legal battles between the oil company, the Ecuadorian government, and the region's inhabitants. As a teenager, Fajardo worked in the Amazonian oil fields, where he witnessed the consequences of Texaco/Chevron's indifference to the environment and to the inhabitants of the Amazon. Fajardo mobilized with his peers to seek reparations and in time became the lead counsel for UDAPT (Union of People Affected by Texaco), a group of more than thirty thousand small farmers and indigenous people from the northern Ecuadorian Amazon who continue to fight for reparations and remediation to this day. Eye-opening and galvanizing, Crude brings to light one of the least well-known but most important cases of environmental and racial injustice of our time.

Methodology for the Numerical Characterization of a Radial Turbine under Steady and Pulsating Flow (Paperback): Pablo Fajardo Methodology for the Numerical Characterization of a Radial Turbine under Steady and Pulsating Flow (Paperback)
Pablo Fajardo
R2,772 R2,602 Discovery Miles 26 020 Save R170 (6%) Ships in 10 - 15 working days

Doctoral Thesis / Dissertation from the year 2012 in the subject Engineering - Mechanical Engineering, Universidad Politecnica de Valencia (Departamento de Maquinas y Motores Termicos), language: English, abstract: The increasing use of turbochargers is leading to an outstanding research to understand the internal flow in turbomachines. In this frame, computational fluid dynamics (CFD) is one of the tools that can be applied to contribute to the analysis of the fluid-dynamic processes occurring in a turbine. The objective of this thesis is the development of a methodology for performing simulations of radial turbomachinery optimizing the available computational resources. This methodology is used for the characterization of a vaned-nozzle turbine under steady and pulsating flow conditions. An important effort has been devoted in adjusting the case configuration to maximize the accuracy achievable with a certain computational cost. Concerning the cell size, a local mesh independence analysis is proposed as a procedure to optimize the distribution of cells in the domain, thus allowing to use a finer mesh in the most suitable places. Particularly important in turbomachinery simulations is the influence of the approach for simulating rotor motion. In this thesis two models have been compared: multiple reference frame and sliding mesh. The differences obtained using both methods were found to be significant in off-design regions. Steady flow CFD results have been validated against global measurements taken on a gas-stand. The modeling of a turbine, installed either on a turbocharger test rig or an engine, requires the calculation of the flow in the ducts composing the system. Those ducts could be simulated assuming a one-dimensional (1D) approximation, and thus reducing the computational cost. In this frame of ideas, two CFD boundary conditions have been developed. The first one allows performing coupled 1D-3D simulations, communicating the flow variables from each dom

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