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CATALYTIC PROPENSITY [1 record]
Record 1 - internal organization data 2014-12-12
Record 1, English
Record 1, Subject field(s)
- Plasma Physics
- Astronautics
Record 1, Main entry term, English
- catalycity
1, record 1, English, catalycity
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- catalytic propensity 2, record 1, English, catalytic%20propensity
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Indeed, if one looks at the catalytic propensity (or "catalycity") of each residue (the proportion of catalytic residues/proportion of all residues for each residue type, cysteine has the second highest catalycity behind histidine. 2, record 1, English, - catalycity
Record number: 1, Textual support number: 2 CONT
Applications include planetary entry/ascent vehicles where the hot shock layer gases thermally excite and dissociate and the aerodynamic characteristics of the vehicle (particularly control surfaces) can be different from the perfect gas case. Heat transfer at the vehicle surfaces depends on surface chemical behaviour such as catalycity and ablation, and these effects are catered for in the developed methods. 3, record 1, English, - catalycity
Record 1, French
Record 1, Domaine(s)
- Physique des plasmas
- Astronautique
Record 1, Main entry term, French
- catalycité
1, record 1, French, catalycit%C3%A9
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Étude de catalycité des tuiles de protection thermique pour les engins de rentrée atmosphérique. 2, record 1, French, - catalycit%C3%A9
Record number: 1, Textual support number: 1 OBS
Au cours de la rentrée atmosphérique d'un corps, celui-ci est soumis à un écoulement hypersonique (M>5). Dans ces conditions, l'énergie dissipée par l'onde de choc est telle que la couche de choc est le siège de réactions chimiques qui dépendent des niveaux de température et de pression. L'énergie est alors essentiellement stockée sous forme chimique, et la composition de l'atmosphère peut fortement influencer la quantité d'énergie libérée par les réactions de recombinaison et retransmise à la paroi. Les caractéristiques «catalytiques» de la paroi vis à vis de ces réactions jouent donc un rôle fondamental sur la quantité d'énergie cédée à la paroi. L'objectif est donc d'analyser et de quantifier ces phénomènes, en particulier pour qualifier par rapport aux conditions spatiales les moyens d'essai «sol» des matériaux de réentrée atmosphérique (composites non ablatifs), ces moyens étant des torches à plasma inductif ou à arc mis en œuvre à EADS-LV Saint Médard. 3, record 1, French, - catalycit%C3%A9
Record 1, Spanish
Record 1, Textual support, Spanish
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