CHE/ME 109 Heat Transfer in Electronics. LECTURE 10 – SPECIFIC TRANSIENT CONDUCTION MODELS. SEMI-INFINITE SOLID SOLUTIONS. SEMI-INFINITE SOLIDS HAVE ONE PLANE SURFACE ON AN INFINITE VOLUMEBy montana
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Solid/Liquid Systems. Phase Diagrams Phase Rule Lever Rule. LIQUID. T. SOLID. X B. COOLING CURVE. START. LIQUID. T. SOLID. FINISH. X B. COOLING CURVE. liquid cools. T. solid forms and cools. solid cools. time. COOLING CURVE. liquid cools. T. solid forms and cools.
Solid System CAD Service design and modeling of CAD/CAM services lead to highly efficient support of design iterations in the early stages of development.
LECTURE 11. SOLID TUMOR ASSAY SYSTEMS. TD50 limiting dilution assay Tumor re-growth assay TCD50 tumor control assay Lung colony assay In vitro/ in vivo assay Monolayers vs. 3-D spheroid cultures. Approaches to measure tumor response Conventional tumor growth measurements
Lesson 10: Solid Propulsion Systems. Dr. Andrew Ketsdever. Titan. The Titan series started out as a back-up ICBM to the Atlas Early versions used Lox/Kerosene propellants, later versions used nitrogen tetroxide/UDMH Solid boosters added to later launch vehicle versions. Titan IV.
Transient Analysis. Transient: transition region between two steady state, e.g. edges of square wave. Very important in digital circuit: delay. Motivation. The Capacitor Effect. + + + + + +. - - - - - - -. Charging and discharging a capacitor. R. Battery ε. C.
Transient Response. Initial current and voltage. Reflection at the load. Load reflection coefficient. Second transient. Generator reflection coefficient. Voltage Wave. T = l/u p is the time it takes the wave to travel the full length of the line. Current Wave.
Transient Circuits. Chapter 7 RL and RC first order circuits. First Order RL and RC circuits. L and C components have the ability to store energy in magnetic or electric fields Circuits that have only 1 L or 1 C have a first order response to a sudden influx or release of the energy.
Transient Overvoltages. Sources of transient overvoltages. Capacitor switching switching a single capacitor switching back-to-back capacitors transient “magnification” Other methods to improve power factor - Synchronous condenser - power electronics device (VSC/STATCOM).