$1\mathrm{.}2$ In a process, a blower is used with the flow$-$rate profile shown in Figure P$1\mathrm{.}1$a$.$

$100\%$

$1\mathrm{.}2$ In a process, a blower is used with the flow$-$rate profile shown in Figure P$1\mathrm{.}1$a$.$

Using the information in Figure P$1\mathrm{.}1$b$,$ estimate the percentage reduction in power consumption resulting from using an adjustable$-$speed drive rather than a system with $($a$)$ an outlet damper and $($b$)$ an

inlet vane.

FIGURE P$1-1$ Flowrate profile.

Using the information in Figure P$1\mathrm{.}1$b$,$ estimate the percentage reduction in power consumption resulting from using an adjustable$-$speed drive rather than a system with $($a$)$ an outlet damper and $($b$)$ an inlet vane$\mathrm{.}1\mathrm{.}2$ In a process, a blower is used with the flow$-$rate profile shown in Figure P$1\mathrm{.}1$a$.$

$1100\%$

$1\mathrm{.}2$ In a process, a blower is used with the flow$-$rate profile shown in Figure P$1\mathrm{.}1$a$.$

$100\%$

FIGURE P$1-1$ Flowrate profile.

Using the information in Figure P$1\mathrm{.}1$b$,$ estimate the percentage reduction in power consumption resulting from using an adjustable$-$speed drive rather than a system with $($a$)$ an outlet damper and $($b$)$ an inlet vane.