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| a gas with molecules having pure elastic collisions and or potential energy of i nteraction or chemical bonding between molecules is negligible. |
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| amount of mass within a unit volume; mass per unit volume |
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| the force is produced by momentum exchange onto a unit surface area from random molecular motions. Force per unit area. |
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| proportional to teh mean kinetic energy of molecular motion. For a gas, proportional to the mean translation kinetic energy of random molecular motions |
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| how many molecules are in X kilomoles of any ideal gas? |
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| How many molecules are in X kg of any ideal gas having a molecular weight M |
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| # of molecules = (Xkg/M)*Na |
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| How many molecules of any ideal gas are in a volume of V1 having a pressure of P1 and a temperature of T1 |
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| What is the mean kinetic energy for each molecule tpe in an ideal gas mixture having a pressure of P, gas constant R, and a density of rho? |
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| For each molecule type the temperature is the same and T=(1/3K)mV^2 = 3kt/2=3kp/2rhoR |
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| Percent of a molecule type by number is the same as |
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| Speeds or the velocity components are inversely proportional to the mass of the molecule. explain |
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| ideal gas have elastic collision so lessinertial will over experience higher speeds due to collisions with the more massive molecules having greater inertia. conservation of momentum and ke. newtons third law. the less massive molecules have lower inertia their direction and speed changes will be altered more considerably. |
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| OMega equation brings you to omega =Vdotgradp what is assumed |
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steady state pressure field on isentropic surfaces dp/dt = 0
dry adiabatic flow or conservation of potential temperature. dtheta/dt=0 |
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| isoteric,isopycnic,isochoric |
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dalpha=drho=dV=0
dq=du=cvdT=(cv/R)*alpha*dp
heating directly related to changes in T and p
Tand p must change |
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dT=0 dq = dw=pdalpha=-alphadp
du=0 dh = 0
heat directly related to changes in p and alpha
p and alpha must change |
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dp=0
dq=dh=cpdT=(cp/R)*p*dalpha = (cp/R)dw
heating is directly related to change in T and alpha |
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