Vacuum pump power calculation formula

Common vacuum pumps include dry screw vacuum pumps, water ring pumps, reciprocating pumps, slide valve pumps, rotary vane pumps, Roots pumps and diffusion pumps. A wide range of vacuum pumps, the formula for calculating the power there are different ways. Vacuum pump Next, we explain some of the relevant formula: 1, Boyle Law: Volume V, pressure P, P · V = constant constant quality of the gas, when the temperature is constant, the gas pressure and gas volume into Inverse. That is, P1 / P2 = V2 / V1. 2, cover Lu Russk's law: When the pressure P constant, a certain mass of gas, the volume V and the absolute temperature T is proportional to: V1 / V2 = T1 / T2 = constant When the pressure is constant, a certain mass of gas , The temperature increases (or P decreases) 1 ℃, then its volume than the original increase (or shrink) 1/273. 3, Charlie Law: When the gas volume V remains unchanged, a certain mass of gas, pressure P is proportional to its absolute temperature T, namely: P1 / P2 = T1 / T2 In a certain volume, a certain mass of gas, temperature Increase (or decrease) 1 ℃, its pressure increase (or decrease) than the original 1/273. 4, the mean free path: λ = (5 × 10-3) / P (cm). 5. Pumping Speed: S = dv / dt or S = Q / PQ = Flow Rate (Torr / Liter) P = Pressure (Torr) V = Volume (Liter) t = Time Mastery for understanding a class of products of great significance, the formula of the vacuum pump Because of the different types of vacuum pumps, to master the basic formula for further understanding of the vacuum pump has a profound impact. Related Article: Internal Structure of Roots Vacuum Pump - Disassembling Video Internal Structure of Water Ring Vacuum Pump - Disassembling Video

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