Sharp JX-9400 Informations techniques Page 116
- Page / 211
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Table 5.2 Measured airflow rates with experimental uncertainty band (when
available), total and specific fan power in audited units
Airflow rates (m
3
/h) Fan power
Unit Outdoor air Supply air Extract air Exhaust air W Wh/m
3
1 1900 100 2070 70 1790 40 1600 200 990 0.27
2 2530 80 2900 200 1860 50 1500 200 850 0.19
3 2380 70 2480 70 1930 40 1830 50 1800 0.42
4 2200 300 3400 100 3240 90 2000 2000 1800 0.33
5 5000 200 5400 100 6000 700 5500 700 3710 0.34
6 15,000 2000 16,400 700 11,000 1000 10,000 3000 11,800 0.45
7 11,000 400 11,600 200 10,000 300 9500 900 8180 0.39
8 16,000 1000 17,400 700 13,400 600 12,000 2000 9760 0.33
9 9000 1000 10,000 2000 1970 90 1000 3000 3800 0.35
10 14,300 600 16,200 400 3420 70 1000 1000 7970 0.45
a 25 36 34 24 13 0.22
b 42 75 74 41 27 0.24
c 74 87 87 74 32 0.20
Table 5.3 Outdoor air efficiency,
o
, exfiltration and infiltration ratios
exf
and
inf;
external and internal recirculation rates R
e
,R
xs
and R
ie
, heat
recovery effectiveness "
HR
, global heat recovery efficiency
G
, specific net
energy saving, SNES in Wh/m
3
, and coefficient of performance, COP, of
audited air handling units
Unit
o
exf
inf
R
e
R
xs
R
ie
x
"
HR
G
SNES COP
1 97% 16% 0% 6% 7% 0% 86% 70% 56% 1.55 6.5
2 92% 47% 9% 20% 5% 0% 59% 70% 39% 1.35 8.0
3 100% 29% 7% 0% 5% 0% 72% 90% 62% 1.18 5.2
4 68% 77% 76% 55% 1% 0% 31% 30% 9% 0.05 3.3
5 98% 8% 17% 0% 7% 0% 92% 80% 69% 1.92 6.7
6 97% 43% 8% 0% 6% 0% 61% 90% 52% 0.69 4.5
7 100% 14% 0% 4% 2% 0% 87% 80% 68% 1.45 5.5
8 97% 25% 0% 0% 0% 0% 77% 70% 54% 1.17 5.5
9 95% 97% 49% 0% 0% 0% 10% 50% 5% 0.37 1.8
10 93% 91% 18% 100% 6% 0% 18% 50% 8% 0.92 1.5
a 74% 8% 0% 0% 33% 0% 94% 63% 40% 1.37 6.2
b 57% 2% 0% 0% 44% 4% 99% 80% 44% 2.21 6.8
c 68% 0% 0% 0% 39% 25% 100% 90% 55% 2.69 8.2
Measurements and Measures Related to Energy Efficiency in Ventilation 95
- Claude-Alain Roulet 4
- Contents 6
- List of Figures and Tables 8
- List of Figures and Tables ix 10
- List of Figures and Tables xi 12
- Preamble 13
- Introduction 14
- Outdoor airflow rate 15
- Recirculation rates 16
- Exfiltration 17
- Ventilation efficiency 18
- Airtightness 20
- Energy efficiency 20
- Common techniques 21
- Airflow Rates in Buildings 22
- Tracer decay, no injection 24
- Constant injection rate 24
- Constant concentration 25
- Pulse injection 25
- Airflow Rates in Buildings 5 26
- Airflow Rates in Buildings 7 28
- Global system of equations 29
- Airflow Rates in Buildings 9 30
- Properties of the flow matrix 31
- Airflow Rates in Buildings 11 32
- Note: y Under condition 34
- Source: Sherman, 1990 34
- Airflow Rates in Buildings 13 34
- Airflow Rates 36
- Source: Roulet et al., 2000a 37
- Velocity traverse 38
- Test procedure 39
- Tracer gas dilution 39
- Source: Awbi, 2007 40
- Inflatable bag 41
- Flowmeter 41
- Compensated flowmeter 41
- Tracer gas injection ports 41
- Source: Roulet et al., 1999 42
- Node by node method 44
- Least square solution 48
- Eliminating some equations 48
- Simplest way 49
- Less than four tracer gases 53
- Planning tool 54
- Simple measurement using CO 55
- Age of Air and 60
- Ventilation Efficiency 60
- Nominal time constant 61
- Air exchange efficiency 61
- Source: Roulet, 2004 62
- Measurement method 63
- Concentration [ppm] 65
- Source: Roulet et al., 1998 69
- The model matrix M 73
- Condition of the model matrix 74
- Factorial designs 75
- 3-D designs 76
- Measurement methods 80
- Reductive sealing 82
- Density corrections 84
- Two measurement points 85
- Airtightness 65 86
- Airtightness of buildings 88
- External fan 89
- Internal fan 90
- Leakage visualization 90
- The stack effect method 91
- Airtightness 71 92
- Neutral height method 93
- Airtightness 73 94
- Pressurization method 95
- Flow rate difference method 96
- Conditioned space 97
- SealSeal 97
- Measurements and Measures 98
- Related to Energy Efficiency 98
- Energy in air handling units 100
- Heat exchangers 104
- Types of heat exchangers 105
- Rotating heat exchangers 106
- Glycol heat exchanger 107
- Heat pump 107
- Heat exchange efficiency 107
- Ventilated 110
- Global heat recovery efficiency 111
- Source: Roulet et al., 2001 114
- Examples of application 115
- Energy for ventilation 118
- Measurement of airflow rate 120
- Measurement of electric power 121
- Simulation results 126
- Recirculation 126
- Humidification 127
- Heat recovery 127
- Ductwork 128
- Contaminants in 129
- Air Handling Units 129
- Source: Bjo 130
- Humidifiers 131
- Source: Roulet et al., 2000 133
- Measurement protocols 134
- Selecting the panel 135
- Source: Bluyssen, 1990 136
- Training procedure 137
- Experimental day 138
- Principle of the method 138
- Injection technique 139
- Hot air blower (200 °C) 140
- Stainless steel 140
- Ø 6 mm copper tube 140
- Example of application 141
- Evidence for adsorption 144
- HVAC systems 146
- Common Methods 153
- Properties of tracer gases 155
- Source: Dietz et al., 1983 157
- Mixing tracer gases 158
- Tracer density problem 159
- Sampling methods 160
- Grab sampling 160
- Passive sampling 160
- Networks, pumps and pipes 161
- Tracer gas analysers 163
- Objective of the analysis 163
- Photo-acoustic detector 165
- Mass spectrometry 165
- Gas chromatography 167
- Chemical indicator tubes 167
- Identification methods 168
- Confidence in the coefficients 170
- Regression of the second kind 171
- Orthogonal regression 171
- Bayesian identification 172
- Error analysis 174
- Definitions 175
- A few statistics 175
- Covariance 177
- Statistical distributions 177
- What is the problem? 180
- Most simple error analysis 180
- Estimate of the variance 181
- Linear equations systems 181
- Upper bound of the errors 183
- References 187
- Unit Conversion Tables 192
- Pressure 194
- Volume flow rate 194
- Mass flow rate 194
- Glossary 195
- Glossary 175 196
- Glossary 177 198
- Glossary 179 200
- Glossary 181 202
- Glossary 183 204
- Glossary 185 206
Produits connexes et manuels pour Imprimer et scanner Sharp JX-9400
(140 pages)
(641 pages)© 2020, manymanuals.fr. Tous droits réservés | 0.089 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Commentaires sur ces manuels