Main public logs

Combined display of all available logs of dada-engine.org. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 10:14, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/578/fr (Created page with "=== 6.3 Phase II — échange via Ho : L → Ho → S ===")
• 10:13, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/577/fr (Created page with "La fin de la phase de compression est définie par la loi cinématique prescrite, et non par un événement de clapet.")
• 10:13, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/576/fr (Created page with "L'évolution réelle est donc calculée à partir des bilans complets du §6.1.3. La compression adiabatique est juste la limite de référence réversible décrite au §6.1.1.")
• 10:12, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/575/fr (Created page with "Aucune topologie à paires fermées n'est imposée. Un clapet peut rester ouvert pendant une partie de la compression, et le gaz peut continuer à circuler. En particulier, un cylindre approchant son volume minimal peut transférer son gaz restant vers l'autre cylindre. Le transfert de chaleur à travers <math display="inline">H_i</math> et <math display="inline">H_o</math> continue également.")
• 10:11, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/574/fr (Created page with "La pression augmente de la zone d’échange basse pression vers la zone d’échange haute pression. Les deux pistons peuvent contribuer au travail de compression.")
• 10:09, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/573/fr (Created page with "sur la partie principale de la phase.")
• 10:09, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/572/fr (Created page with "<math> \dot V_S<0,\qquad \dot V_L<0 </math>")
• 10:09, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/571/fr (Created page with "Pendant la compression, les volumes des deux cylindres peuvent diminuer simultanément :")
• 10:09, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/570/fr (Created page with "=== 6.2 Phase I — compression ===")
• 10:09, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/569/fr (Created page with "Ces équations sont valables durant les quatre phases. La phase détermine le mouvement prescrit du piston et le processus thermodynamique dominant ; les lois hydrauliques et les différences de pression déterminent les débits réels et l’état des clapets.")
• 10:08, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/568/fr (Created page with "<math> \dot U_o = \dot H_{Lo}-\dot H_{oS} +\dot Q_o. </math>")
• 10:08, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/567/fr (Created page with "<math> \dot U_L = \dot H_{iL}-\dot H_{Lo} -P_L\dot V_L, </math>")
• 10:08, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/566/fr (Created page with "<math> \dot U_i = \dot H_{Si}-\dot H_{iL} +\dot Q_i, </math>")
• 10:08, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/565/fr (Created page with "<math> \dot U_S = \dot H_{oS}-\dot H_{Si} -P_S\dot V_S, </math>")
• 10:08, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/564/fr (Created page with "Les bilans énergétiques correspondants sont :")
• 10:07, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/563/fr (Created page with "<math> \dot m_o=\dot m_{Lo}-\dot m_{oS}. </math>")
• 10:07, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/562/fr (Created page with "<math> \dot m_L=\dot m_{iL}-\dot m_{Lo}, </math>")
• 10:07, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/561/fr (Created page with "<math> \dot m_i=\dot m_{Si}-\dot m_{iL}, </math>")
• 10:07, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/560/fr (Created page with "<math> \dot m_S=\dot m_{oS}-\dot m_{Si}, </math>")
• 10:07, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/559/fr (Created page with "Les bilans massiques sont alors :")
• 10:07, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/558/fr (Created page with "<math> \dot H_{ab}= \begin{cases} \dot m_{ab}C_pT_a, & \dot m_{ab}\ge0,\\[4pt] \dot m_{ab}C_pT_b, & \dot m_{ab}<0. \end{cases} </math>")
• 10:07, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/557/fr (Created page with "Soit <math display="inline">\dot H_{ab}</math> le transport d'enthalpie signé à partir du volume <math display="inline">a</math> vers le volume <math display="inline">b</math>. Pour un gaz calorifiquement parfait :")
• 10:05, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/556/fr (Created page with "Le clapet contraint la liaison sur laquelle il est installé ; l'autre liaison peut être bidirectionnelle selon sa loi hydraulique.")
• 10:04, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/555/fr (Created page with "<math> L\to \mathrm{CV}_o\to H_o\to S \quad\text{or}\quad L\to H_o\to \mathrm{CV}_o\to S. </math>")
• 10:04, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/554/fr (Created page with "<math> S\to \mathrm{CV}_i\to H_i\to L \quad\text{or}\quad S\to H_i\to \mathrm{CV}_i\to L, </math>")
• 10:04, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/553/fr (Created page with "Chaque branche comporte un clapet passif. Sa position par rapport à l'échangeur de chaleur est un choix de conception :")
• 10:04, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/552/fr (Created page with "<math> S\to H_i\to L, \qquad L\to H_o\to S. </math>")
• 10:04, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/551/fr (Created page with "Les sens positifs correspondent aux sens de circulation permanents des deux branches :")
• 10:04, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/550/fr (Created page with "<math> \dot m_{Lo}: L\to H_o,\qquad \dot m_{oS}: H_o\to S. </math>")
• 10:04, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/549/fr (Created page with "<math> \dot m_{Si}: S\to H_i,\qquad \dot m_{iL}: H_i\to L, </math>")
• 10:03, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/548/fr (Created page with "Les quatre volumes de contrôle sont <math display="inline">S</math> , <math display="inline">H_i</math> , <math display="inline">L</math> , et <math display="inline">H_o</math>. Débits massiques signés :")
• 10:03, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/547/fr (Created page with "==== 6.1.3 Équations d'équilibre valides tout au long du cycle ====")
• 10:03, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/546/fr (Created page with "Ces relations expliquent pourquoi un échangeur à faibles pertes tend naturellement vers de faibles différences de pression le long du circuit hydraulique et, avec une cinématique de pistons appropriée, vers une pression quasi constante tout au long de l'échange. L’isobare stricte n'est pas imposé comme contrainte thermodynamique.")
• 10:01, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/545/fr (Created page with "Les températures sont exprimées en Kelvins. Cette relation est un guide de dimensionnement, et non une contrainte de conception absolue : la restriction dans les échangeurs, les volumes morts, l’évolution de la température pendant l’échange, les pertes de charge finies, ainsi que les phases de compression et de détente peuvent tous modifier l’optimum. Lorsque ces effets sont significatifs, la condition complète impliquant <math display="inline">\sum V_j/T_...")
• 09:58, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/544/fr (Created page with "\frac{V_{\mathrm{swept},h}} {V_{\mathrm{swept},c}} \sim \frac{T_h}{T_c} . </math>")
• 09:58, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/543/fr (Created page with "<math>")
• 09:58, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/542/fr (Created page with "Le côté le plus chaud nécessite donc un changement de volume plus important pour une même masse de gaz transférée à pression égale. Lorsque l'échange utilise des fractions comparables des courses des cylindre et que les températures des gaz restent proches des températures de fonctionnement caractéristiques <math display="inline">T_h</math> et <math display="inline">T_c</math>, on obtient un premier ordre de dimensionnement géométrique :")
• 09:55, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/541/fr (Created page with "<math> \frac{dV_r}{-dV_d} \approx \frac{T_r}{T_d} . </math>")
• 09:55, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/540/fr (Created page with "D'où :")
• 09:55, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/539/fr (Created page with "<math> \frac{dV_r}{T_r} \approx -\frac{dV_d}{T_d}, </math>")
• 09:54, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/538/fr (Created page with "Une relation de premier ordre utile au dimensionnement des cylindres découle de la même condition. Sur une portion suffisamment petite d'un échange isobare, si les températures du donneur et du récepteur peuvent être considérées comme localement constantes, et si les termes de stockage de température des volumes fixes de l'échangeur sont secondaires, alors :")
• 09:52, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/537/fr (Created page with "L'évolution du volume imposée par les pistons peut ainsi compenser la dilatation ou la contraction thermique produite par le transfert de chaleur, permettant un transfert de masse substantiel tandis que la pression commune reste quasiment constante.")
• 09:52, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/536/fr (Created page with "<math> \gamma P\dot V_{\mathcal C} \approx (\gamma-1)\dot Q_{\mathcal C}. </math>")
• 09:52, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/535/fr (Created page with "Un échange approximativement isobare satisfait donc :")
• 09:51, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/534/fr (Created page with "<math> V_{\mathcal C}\dot P = (\gamma-1)\dot Q_{\mathcal C} -\gamma P\dot V_{\mathcal C}. </math>")
• 09:51, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/533/fr (Created page with "Son équilibre selon la première loi donne :")
• 09:51, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/532/fr (Created page with "<math> U_{\mathcal C} = \frac{P V_{\mathcal C}}{\gamma-1}, \qquad V_{\mathcal C}=\sum_{j\in\mathcal C}V_j. </math>")
• 09:51, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/531/fr (Created page with "La même condition peut être exprimée par le biais du bilan énergétique. Pour un ensemble quasi-égalisé en pression :")
• 09:51, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/530/fr (Created page with "Les mouvements des pistons et l'évolution de la température doivent donc se compenser. Des variations de volume égales dans les cylindres ne sont ni requises ni généralement attendues.")
• 09:50, 22 September 2026 E.dada talk contribs created page Translations:Thermodynamic and Mechanical Study/529/fr (Created page with "<math> \frac{d}{dt} \left( \sum_{j\in\mathcal C}\frac{V_j}{T_j} \right)=0. </math>")