ISO-8625-3-1991.pdf
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1、INTERNATIONAL STANDARD NORME INTERNATIONALE IS0 8625-3 First edition Premiere Edition 1991-05-01 Aerospace - Fluid systems - Vocabulary - Part 3 : General terms and definitions relating to temperature Ahonautique et espace - Systemes de fluides - Voca bulaire - Partie 3 : Termes g for this reason an
2、 alphabetical index in English based on key words and an alphabetical index of French terms are provided. 3.1 ambient temperature : Temperature of the environ- ment in which the apparatus is working. 3.2 autoignition temperature : Temperature at which the fluid flashes into flame without an external
3、 ignition source and continues burning. Actual value is to be determined by one of several approved test methods. Domaine d application La presente partie de I ISO 8625 definit les termes generaux relatifs aux temperatures dans les systemes de fluides utilises en construction aerospatiale. Termes et
4、 definitions Dans le cadre de I ISO 8625, les termes ont Bte numerates en utilisant une numerotation a deux elements: le premier element indique le numero de la partie de I ISO 8625 dans laquelle le terme est defini et le deuxieme element indique le numero de reference du terme dans cette partie. EX
5、EMPLE 2.7 koulement laminaire - le terme ctecoulement lami- naire) est defini dans I ISO 8625-2. Les termes sont present c est pourquoi un index alphabeti- que anglais base sur les mots clefs et un index alphabetique des termes en francais ont Bte Btablis. 3.1 temperature ambiante : Temperature du m
6、ilieu ambiant dans lequel I appareil est en service. 3.2 temperature d auto-inflammation : Temperature a laquelle le fluide s enflamme, sans intervention d aucune source exterieure d inflammation, et continue de brQler. La valeur reelle de cette temperature doit etre determinee par une des nombreuse
7、s methodes d essai approuvees. 1 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/26/2007 19:03:53 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 8626-3 : 1
8、991 (E/F) 3.3 cold-start temperature : Temperature at which the hydraulic system will start to operate, but need not necessarily meet full performance. 3.4 equipment temperature : Temperature of the unit at a specified position and measured at a specified point or, nor- mally, at the surface. 3.5 ex
9、treme operating temperature : Temperature during operation of a component or system which does not lead to a failure or permanent degradation of the system or component. The time of duration is not continuous and extreme operating temperature must not occur under normal operating con- ditions. 3.6 f
10、ire point : Temperature at which a fluid gives off suf- ficient vapour to cause it to ignite and to continue to burn in the presence of air when a small flame is applied under controlled conditions. 3.7 flash point : Temperature at which a fluid gives off suf- ficient vapour to cause it to ignite in
11、 the presence of air when a small flame is applied under controlled conditions. 3.8 fluid temperature : Temperature of the fluid measured at a specified point in the system. 3.9 inlet temperature : Fluid temperature at the plane of the inlet port. 3.10 maximum fluid temperature : Highest fluid tempe
12、ra- ture at which the fluid is intended to be operated. 3.11 normal fluid temperature; normal fluid operating temperature : Stabilized fluid temperature normally reached during continuous operation. 3.12 outlet temperature : Fluid temperature at the plane of the outlet port. 3.13 pour point : Lowest
13、 temperature at which a fluid will flow under specified conditions. 3.14 storage temperature : Extreme environmental tem- perature to which a component is exposed and which does not lead to a degradation of reliability or performance. 3.15 survival temperature : Extreme temperature above specified t
14、emperature range at which the component or system still functions with degradation in performance, but with no severe influence on the flight mission. 3.16 temperature range of equipment : Specified am- bient temperature range within which the apparatus can operate satisfactorily. 3.3 temperature de
15、 demarrage a froid : Temperature a laquelle le circuit hydraulique commencera 5 fonctionner, sans necessairement remplir integralement ses performances. 3.4 temperature de l bquipement : Temperature de I appareil dans une position determinee et mesuree en un point donne ou, normalement, a la surface
16、. 3.5 temperature extreme d utilisation : Temperature sur- venant pendant I utilisation d un composant ou d un circuit qui n entraine pas de defaut ni de deterioration permanente du composant ou du circuit. II s agit d un phenomene passager, qui ne doit pas se produire dans les conditions normales d
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