Thermodynamics
Thermodynamics
Publisher: Dover Publications(1956-06-01) | ISBN:048660361X | DJVU | 13.5 Mb | 160 pages
Classic Lectures on Thermodynamics, A+ for Clarity These lectures by Enrico Fermi make great reading for undergraduates in chemistry or physics, particularly those undergoing the rigors of physical chemistry and chemical thermodynamics. Fermi writes with clarity, always carefully laying the appropriate groundwork for each topic.
The mathematics assumes familiarity with calculus, including partial differentiation. Fermi provides clear explanations and motivation for the mathematics and the derivations are complete and easy to follow. For example, he carefully explained the form of a perfect differential of two variables and how it can be more readily integrated. I appreciated this help.
The first four chapters will be familiar to students of physics: Thermodynamic Systems, First Law of Thermodynamics, Second Law of Thermodynamics, and Entropy. The derivation of the Clapeyron equation and the Van der Waals equation may be new to some students.
Thereafter, the text begins to look more like physical chemistry with chapters titled Thermodynamic Potentials, Gaseous Reactions, Thermodynamics of Dilute Solutions, and the Entropy Constant. I found these last chapters to be more difficult, but not overly so.
At some points Thermodynamics becomes a real page-turner, but not in the sense of a fast-paced action story. The page-turning is necessary to retrieve earlier mathematical expressions. Occasionally, you will encounter statements like "the expression for the free energy is immediately obtained from equations (111), (29), and (86)." Fermi does not allow the reader to forget earlier derivations and discussions.
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A Heat Transfer Textbook Third Edition
John H. Lienhard IV and John H. Lienhard V, «A Heat Transfer Textbook»
Phlogiston Press | ISBN 0971383529 | 2003 Year | PDF | 760 Pages
This textbook is an introduction to heat and mass transfer oriented toward engineering students. The subjects covered include heat conduction, forced and natural convection, thermal radiation, boiling, condensation, heat exchangers, and mass transfer.
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Arc Welding Control
Jiluan Pan, "Arc Welding Control"
Publisher: Woodhead Publishing | 2003-01 | ISBN 185573687X | PDF | 603 pages | 6.5 MB
A control system for a manually operated welding torch housing a nonconsumable electrode and a consumable wire electrode including a power supply having a DC and AC output, the DC output being connected in circuit relation with the nonconsumable electrode and a workpiece, the AC output being connected in circuit relation with the consumable electrode and the workpiece, feeding means for the consumable electrode, and a single manually operated selector switch which controls both the delivery of power to the consumable and nonconsumable electrode and the consumable electrode feeding means.
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