17.200.01 - Thermodynamics in general
ICS 17.200.01 Details
Thermodynamics in general
Thermodynamik und Temperaturmessungen im allgemeinen
Thermodynamique en general
Termodinamika na splošno
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IEC 60172:2020 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60172:2020 specifies, in accordance with the provisions of IEC 60216-1, a method for evaluating the temperature index of enamelled wire, varnished or unvarnished with an impregnating agent, and of tape wrapped round and rectangular wire, in air at atmospheric pressure by periodically monitoring changes in response to AC proof voltage tests. This procedure does not apply to fibre-insulated wire or wire covered with tapes containing inorganic fibres. NOTE The data obtained according to this test procedure provide the designer and development engineer with information for the selection of winding wire for further evaluation of insulation systems and equipment tests. This fifth edition cancels and replaces the fourth edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- revision of 3.1, definition of thermal index;
- revision of 3.3, time to failure;
- revisions to 5.1.1 for clarity and to reduce the range wire size range to which the test applies;
- revisions to 5.1.2 for tape wrapped round and enamelled or tape wrapped rectangular wire for clarity;
- revision to Clause 9 to add the correlation coefficient, r to the report.
- Standard28 pagesEnglish languagesale 10% offe-Library read for1 day
This document gives names, symbols, definitions and units for quantities of thermodynamics. Where appropriate, conversion factors are also given.
- Standard23 pagesEnglish languagesale 10% offe-Library read for1 day
- Draft22 pagesEnglish languagesale 10% offe-Library read for1 day
This document gives names, symbols, definitions and units for quantities of thermodynamics. Where
appropriate, conversion factors are also given.
- Standard23 pagesEnglish languagesale 10% offe-Library read for1 day
- Draft22 pagesEnglish languagesale 10% offe-Library read for1 day
IEC 60909-0:2016 is applicable to the calculation of short-circuit currents in low-voltage three-phase AC systems, and in high-voltage three-phase AC systems, operating at a nominal frequency of 50 Hz or 60 Hz. It establishes a general, practicable and concise procedure leading to results which are generally of acceptable accuracy and deals with the calculation of short-circuit currents in the case of balanced or unbalanced short circuits. This second edition cancels and replaces the first edition published in 2001. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - contribution of windpower station units to the short-circuit current; - contribution of power station units with ful size converters to the short-circuit current; - new document structure.
- Standard76 pagesEnglish languagesale 10% offe-Library read for1 day
The measuring technique of the SBI (single burning item) test instrument is based on the observation that, in general, the heats of combustion per unit mass of oxygen consumed are approximately the same for most fuels commonly encountered in fires (Huggett [12]). The mass flow, together with the oxygen concentration in the extraction system, suffices to continuously calculate the amount of heat released. Some corrections can be introduced if CO2, CO and/or H2O are additionally measured.
- Technical report53 pagesEnglish languagesale 10% offe-Library read for1 day
- Draft53 pagesEnglish languagesale 10% offe-Library read for1 day
This International Standard specifies, in accordance with the provisions of IEC 60216-1, a
method for evaluating the temperature index of enamelled wire, varnished or unvarnished with
an impregnating agent, and of tape wrapped round and rectangular wire, in air at atmospheric
pressure by periodically monitoring changes in response to AC proof voltage tests. This
procedure does not apply to fibre-insulated wire or wire covered with tapes containing
inorganic fibres.
NOTE The data obtained according to this test procedure provide the designer and development engineer with
information for the selection of winding wire for further evaluation of insulation systems and equipment tests.
- Standard29 pagesEnglish languagesale 10% offe-Library read for1 day
This Standard describes the methodology, instruments, equipment and samples, used to calculate the thermo-optical properties of thermal-control materials. The following test methods are detailed in this Standard including the configuration of samples and calculations: - Solar absorptance using spectrometer (s) - (see Annex C.2). - Comparative test method (p) - (see Annex C.3). - Infrared emittance using thermal test method (h) - (see Annex C.4). - Infrared emittance using IR spectrometer (h) - (see annex C.5). - Infrared emittance using portable equipment (n) - (see Annex C.6). This standard may be tailored for the specific characteristics and constraints of a space project in conformance with ECSS-S-ST-00.
- Standard26 pagesEnglish languagesale 10% offe-Library read for1 day
- Draft26 pagesEnglish languagesale 10% offe-Library read for1 day
This European Standard is a guide specifying temperature and relative humidity levels to limit climate-induced physical damage of hygroscopic, organic materials, kept in long-term storage or exhibition (more than one per year) in indoor environments of museums, galleries, storage areas, archives, libraries, churches and modern or historical buildings.
- Standard14 pagesEnglish languagesale 10% offe-Library read for1 day
- Draft12 pagesEnglish languagesale 10% offe-Library read for1 day
EN following parallel vote
- Amendment5 pagesEnglish languagesale 10% offe-Library read for1 day
Specifies details of the type of thermocouple to be used to measure the pinch temperature of quartz-tungsten-halogen lamps, the methods of preparation of the lamp and thermocouple, and the measurement to be made.
- Standard14 pagesEnglish languagesale 10% offe-Library read for1 day
ISO 80000-5:2007 gives names, symbols and definitions for quantities and units of thermodynamics. Where appropriate, conversion factors are also given.
- Standard12 pagesEnglish languagesale 15% off
- Standard22 pagesEnglish languagesale 15% off
- Standard28 pagesEnglish languagesale 10% offe-Library read for1 day
- Standard22 pagesFrench languagesale 15% off
- Standard22 pagesFrench languagesale 15% off
- Standard – translation27 pagesSlovenian languagesale 10% offe-Library read for1 day
ISO 80000-5:2007 gives names, symbols and definitions for quantities and units of thermodynamics. Where appropriate, conversion factors are also given.
- Standard32 pagesEnglish languagesale 10% offe-Library read for1 day
ISO 80000-5:2007 gives names, symbols and definitions for quantities and units of thermodynamics. Where appropriate, conversion factors are also given.
- Standard32 pagesEnglish languagesale 10% offe-Library read for1 day