
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 …
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 …
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 …
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, …
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 …
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 …
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). …
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, …
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 …
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 …