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  1. Probabilty of reliability and the failure rate - Physics Forums

    Sep 8, 2006 · I am currently studying for a business qualification I am stumbling over a question. It concerns calculating failure rate. The equation I know for this involves knowing the number of …

  2. Calculating Rate of Climb from T/W, L/D and Velocity

    Apr 6, 2021 · The discussion focuses on calculating the Rate of Climb (ROC) of an airplane using a thrust-to-weight (T/W) ratio of 0.25 and a lift-to-drag (L/D) ratio of 15.0 at a forward velocity …

  3. Pressure Decay Equation: P1-P0 e- (A/V)t + P0 Explained

    Jan 23, 2014 · The discussion centers on the pressure decay equation P = (P1-P0)e^ (- (A/V)t) used to model the pressure drop in a sealed assembly over time. Key variables include P1 …

  4. Demystifying the Often Misunderstood Bernoulli’s Equation

    Dec 3, 2018 · The goal of this post is to present Bernoulli's equation, its derivation based on energy conservation, and interpretations based on both momentum and energy conservation, …

  5. How Do You Calculate Water Velocity and Force of Impact?

    May 21, 2015 · The second equation is just conservation of mass: output flow is input flow. In your case you just need the approximate ara of your nozzle to get the velocity if you know the flow …

  6. Difference Equation Bank Account Problem • Physics Forums

    Jul 25, 2016 · The discussion centers on the difference equation for a bank account balance, specifically the formula f (n+1)=f (n)+R/12*Dm-Cf, where R is the annual interest rate, Dm is …

  7. How to Solve Laser Rate Equations Using Matlab? - Physics Forums

    May 29, 2014 · This discussion focuses on solving laser rate equations using MATLAB, specifically employing the ODE45 function to plot the light-current characteristic (Pout vs I). …

  8. Rocket thrust equation in under-expanded nozzle - Physics Forums

    May 3, 2023 · The thrust equation for a rocket operating in an under-expanded nozzle is defined as F = (m dot)*v_e + A_e* (p_e - p_a). In this context, p_e represents the exhaust pressure, …

  9. How to calculate the failure point of a pin - Physics Forums

    Jul 3, 2019 · This discussion focuses on calculating the failure point of a pin used in a suspension system, specifically a 6mm stainless steel pin securing a 30mm diameter aluminum bar within …

  10. Calculating parameters of centrifugal compressor - Physics Forums

    Jan 14, 2024 · SUMMARY This discussion focuses on calculating parameters for designing a centrifugal air compressor using Euler's turbine equation. The key equations discussed include …