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Schematic representation of the drum 

Schematic representation of the drum 

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Figure. 1 Schematic representation of the drum 
Figure 3 Effect of ±10% variation of the pipe friction on the riser and...
Figure 4 Effect of ±10% variation of the pipe friction on the riser and...
Figure 5 Effect of ±10% variation of the ratio between riser and total...
+2 Figure 6 Effect of ±10% variation of the ratio between riser and total...
EFFECT OF BOILER PARAMETERS VARIATION ON ITS DYNAMICS
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  • Jan 2015
Due to their simplicity and passive nature, natural circulation boilers are increasingly used in many designs. In this paper, a mathematical model describing the dynamics of a natural circulation boiler is used to investigate the effect of varying the boiler design parameters and its dynamic interaction with the boiler's main variables including th...
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... model presented here will be based on the one given in Tawfeic S. R. [14] which is a fairly detailed one, has been verified against actual plant data and has been the subject of comparative studies with the results of [15]. The model is based on applying the basic laws of mass, energy and momentum balance along with the thermodynamic properties of the water-steam mixture on a natural circulation boiler as shown by its schematic representation in fig.(1). The major steps in the model development are given next. ...