09/30198714 DC : 0
Superseded
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BS EN 14918 - SOLID BIOFUELS - METHOD FOR THE DETERMINATION OF CALORIFIC VALUE
Hardcopy , PDF
31-03-2010
English
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Preparation of test sample
8 Calorimetric procedure
9 Calibration
10 Gross calorific value
11 Precision
12 Calculation of net calorific value at constant pressure
13 Test report
Annex A (normative) - Adiabatic bomb calorimeters
A.1 Principle
A.2 Sources of error for the real calorimeter
A.3 Adiabatic conditions
A.4 Initial steady state and length of the main period
A.5 Correction for drift at the final temperature
A.6 Strategy for checking on bias
Annex B (normative) - Isoperibol and static-jacket bomb
calorimeters
B.1 Principle
B.2 Sources of error for the real calorimeter
B.3 Choice of jacket temperature
B.4 Rating periods
B.5 Calculation of the corrected temperature rise theta
Annex C (normative) - Automated bomb calorimeters
C.1 The instrument
C.2 Calibration
C.3 Precision requirements for calibrations
C.4 Comparability of calibration and fuel experiments
C.5 Documentation and print-out
C.6 Precision requirements for fuel experiments
Annex D (informative) - Checklists for the design and
procedures of combustion experiments
D.1 Introduction
D.2 Choice of general parameters
D.3 Adiabatic calorimeters
D.4 Isoperibol calorimeters
D.5 Automated bomb calorimeters
Annex E (informative) - Examples to illustrate the main
calculations used in this document when an
automated bomb calorimeter is used for determinations
E.1 Gross calorific value at constant volume
E.2 Gross calorific value at constant pressure
E.3 Net calorific value
E.4 Use of typical or default values to calculate calorific
values
Annex F (informative) - List of symbols used in this document
Annex G (informative) - Key-word index
Annex H (informative) - Default values of most used biofuels
for the calculations of calorific values
Annex I (informative) - Flow chart for a routine calorific value
determination
Bibliography
BS EN 14918
| Committee |
PTI/17
|
| DocumentType |
Draft
|
| Pages |
62
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| PREN 14918 : DRAFT 2009 | Identical |
| ISO 1928:2009 | Solid mineral fuels Determination of gross calorific value by the bomb calorimetric method and calculation of net calorific value |
| ISO 10304-1:2007 | Water quality Determination of dissolved anions by liquid chromatography of ions Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate |
| CEN/TS 15296:2006 | Solid Biofuels - Calculation of analyses to different bases |
| CEN/TS 14774-2:2004 | Solid biofuels - Methods for the determination of moisture content - Oven dry method - Part 2: Total moisture - Simplified method |
| CEN/TS 14774-3:2004 | Solid biofuels - Methods for the determination of moisture content - Oven dry method - Part 3: Moisture in general analysis sample |
| CEN/TS 15234:2006 | Solid biofuels - Fuel quality assurance |
| ISO 651:1975 | Solid-stem calorimeter thermometers |
| ISO 652:1975 | Enclosed-scale calorimeter thermometers |
| CEN/TS 14774-1:2004 | Solid biofuels - Methods for determination of moisture content - Oven dry method - Part 1: Total moisture - Reference method |
| CEN/TS 15289:2006 | Solid Biofuels - Determination of total content of sulphur and chlorine |
| EN ISO 10304-1:2009 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate (ISO 10304-1:2007) |
| CEN/TS 14780:2005 | Solid biofuels - Methods for sample preparation |
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