Sharp JX-9400 Technické informace stáhnout pdf (Strana 21)

1995, 2003). This can, however, be avo ided by appropriate design and main-

tenance. Chapter 5, ‘Energy eﬀect of IAQ measures’, lists the sources and

causes of pollution in ventilation systems, proposes measurement protocols,

and sets out maint enance procedures and strategies to impro ve the quality of

the air delivered by mechanical ventilation systems.

Common techniques

The description of techniques and methods used for the measurements and

their interpretation is detailed in Chapter 7. This chapter includes:

the general description of tracer gas dilution techniques;

ways of expressing concentrations and ﬂow rates;

mathematical identiﬁcatio n methods;

error analysis.

xx Ventilation and Airﬂow in Buildings

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Sharp JX-9400 Technické informace Strana 21