Sharp JX-9400 Informações Técnicas descarregar pdf (Página 11)

7.4 Student distribution for 1, 2 and 5 degrees of freedom compared

to the normal distribution 158

7.5 Conﬁdence limit divided by standard deviation versus number

of measurements for various values of probability, P 159

Tables

1.1 Summary of diﬀerent injection strategies 12

1.2 Summary of single-zone methods 13

1.3 Summary of multi-zone methods 13

2.1 Possible airﬂow rates in the network represented in Figure 2.8 25

3.1 Nominal time constant and room mean age of the air

corresponding to the probability curves shown in Figures 3.2

and 3.3 41

3.2 Minimum number of measurements needed to obtain the

coeﬃcients of a kth degree polynomial empirical model

representing a variable in a two- and three-dimensional space 51

3.3 2-D, two-level full factorial design 54

3.4 2-D design changing one variable at a time 54

3.5 2-D full factorial design with three levels 55

3.6 Minimum 3-D design fo r assessing the coeﬃcients of a linear

model 55

3.7 Full factorial design for assessing the coeﬃcients of a linear

model with interactions 56

3.8 3-D centred star design 56

3.9 Condition number of M

M for some experimental designs and

three models 57

5.1 Humidity ratio and speciﬁc enthalpy of warm, humid air cooled

down and dried as shown in Figure 5.3 82

5.2 Measured airﬂow rates with experimental uncertainty band

(when available), total and speciﬁc fan power in audited units 95

5.3 Outdoor air eﬃciency, 

, exﬁltration and inﬁltration ratios 

exf

and 

inf

, external and internal recirculat ion rates R

, R

and

, heat recovery eﬀectiveness "

, global heat recovery eﬃciency



, speciﬁc net energy saving, SNES in Wh/m

, and coeﬃcient of

performance, COP, of audited air handling

units 95

5.4 Uses of energy in buildings, energy saving measures and their

eﬀects on indoor environment quality 104

6.1 PAP values and 2-propanone concentrations in PAP meters

used as milestones 116

6.2 List of VOCs used for contaminant transfer experiments 120

6.3 Characteristics of the air handlin g units used for the experiments 121

6.4 Pressure diﬀerentials in the units [Pa] 122

6.5 Climatic conditions in the units [8C] 122

x Ventilation and Airﬂow in Buildings

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 210 211

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