
Calc Cv from T & V: How to Calculate Cv Homework - Physics …
Feb 9, 2012 · Homework Statement When one mole of an ideal gas is compressed adiabatically to one-half of its original volume, the temperature of the gas increases from 273 to 433K. …
How Do You Calculate Cp and Cv for a Specific Fluid?
Jun 3, 2006 · Click For Summary This discussion focuses on calculating the specific heat capacities Cp and Cv for a fluid defined by the equations u=196+0.718t and pv=0.287 (t+273).
Relationship between Cp, Cv and R - Physics Forums
Aug 28, 2020 · The relationship between heat capacities Cp and Cv is defined by Meyer's relation, which states that Cp - Cv = nR, where n represents the number of moles of gas. The …
Torque calculation of CV joint - Physics Forums
Apr 26, 2024 · The discussion focuses on calculating the torque of a Constant Velocity (CV) joint in three specific scenarios: during take-off, on a slope in reverse, and while driving on a …
How to Calculate Q, W, ΔU, and ΔH for Ideal Gas Compression …
Sep 25, 2013 · This discussion focuses on calculating heat transfer (Q), work done (W), change in internal energy (ΔU), and change in enthalpy (ΔH) for an ideal gas undergoing various …
Why Is 1 Bar Important in Cv or Kv Calculations? - Physics Forums
Jun 12, 2008 · 1)The 1 bar is the standard that the valve manufacturer uses to test/measure for the Kv (or 1 psi per gpm to calculate Cv for us in the US). That acts like the equalizer between …
Thermodynamics, use of Cv and Cp - Physics Forums
Apr 9, 2016 · The discussion focuses on the application of heat capacities Cv and Cp in thermodynamics, specifically in the context of adiabatic expansion of an ideal gas. The correct …
Determining flowrate (GPM) through a partially open gate valve
Oct 21, 2011 · This discussion focuses on calculating the flow rate (GPM) through a partially open Crane 54" cast iron gate valve connected to a 48" pipe. The primary formula used is Q = 7.9 …
How Do You Calculate Gamma in Thermodynamics? - Physics …
Feb 7, 2011 · The calculation of gamma (γ) in thermodynamics is essential for identifying the type of gas present in a system. The formula γ = Cp/Cv is fundamental, where Cp is the specific …
How I can calculate the cv of a ball valve • Physics Forums
Sep 18, 2007 · If the valve is a reduced port, calculate the resistance coefficient, K for a sudden contraction, and another for a sudden expansion, add them together, and relate that to Cv …