By David G. Cork, Tohru Sugawara
Featuring broad calculations and examples, this reference discusses theoretical and functional elements of short-circuit currents in ac and dc platforms, load circulate, and harmonic analyses to supply a legitimate wisdom base for contemporary computer-based reviews that may be used in real-world purposes. offering greater than 2300 figures, tables, and equations, the writer explores matrix tools for community suggestions and contains load movement and optimization options. He discusses ac and dc short-circuit platforms calculations based on criteria set by means of the yank nationwide criteria Institute (ANSI) and the overseas Electrotechnical fee (IEC).
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Extra info for Laboratory Automation in the Chemical Industries
A ϭ screw joint #15, B ϭ ﬁlter ﬁtting, C ϭ Teﬂon screw ﬁtting #15, for 3 mm φ tube, D ϭ temperature sensor ﬁtting. Copyright 2002 by Marcel Dekker. All Rights Reserved. Figure 9 Swing and shake modes of agitation. A ϭ swing mode, useful to agitate the contents over the whole ﬂask, B ϭ shake mode, generally used for agitation during reaction. Figure 10 Design of a separable reaction ﬂask for handling supported reagents. A ϭ two-way stirrer shaft, B ϭ adjustable volume solid reagent reservoir, C ϭ stepping motor, D ϭ cooling jacket, E ϭ ﬂanged separable reaction ﬂask, F ϭ Teﬂon ball ﬁlter, G ϭ condenser.
5, and a schematic diagram of the reaction ﬂask is shown in Fig. 6. The reaction ﬂask has a round bottom and conventional ground glass joints, which allow it to be easily removed for manual operation and occasional maintenance. The ﬂask, which can hold a reaction mixture of about 200 mL, is clamped ﬁrmly, and the reaction bath is raised and lowered by a motorized jack. , aqueous ethylene glycol) through the inside of the bath walls. With silicon oil in the bath a temperature range of ca. 15 to 230°C can be used, while aqueous ethylene glycol gives a range of ca.
A ϭ cycle time(s), B ϭ two reverse pulses, C ϭ three forward pulses. to form on the ﬂask walls. Figure 14 shows the ﬂask attachment that enables the precipitate to be ﬁltered. The attachment consists of a glass ﬁlter and a receiver, and the ﬁltrate can then be easily transferred to another vessel, as required. To prevent any unintentional transfer of the reaction mixture to the ﬁltration attachment, it is important to connect the top of both vessels in order to maintain the same pressure in both at all times.