Introduce the calculation formula of the area of the circular part (calculate the cross-sectional area of any liquid level of the cylindrical separator in engineering) Give a detailed derivation process of the area of the circular part Given the radius and liquid level, calculate the area or the cross-sectional area of the liquid contained, use calculus to derive
Bibliography: New Electronic Transformer P450 (450) is calculated according to the formula,ηIs transformer efficiency, dimensionless;R2 is the secondary load impedance of transformer, Ω;Ra is the load impedance of the single ended amplifier of the general transformer, or the load impedance from one arm of the amplifier to the other arm of the push-pull transformer, Ω;N is the transformer
1. The relationship between voltage and turns is calculated according to the formula V1/V2=N1/N2, where V1 is the input voltage, V;V2 is the output voltage, V;N1 is the number of turns of input square coil, dimensionless;N2 is the number of turns of output square coil, dimensionless;2. The relationship between current and turns is calculated according to the formula I1/I2=N2/N1, where I1 is the input
Reference: Discussion on Calculation of Salt Washing Water Volume in Crude Oil Desalination Process P2 (48) Figure 1 shows the primary electric desalting process, that is, the washed water is directly injected into the inlet of the electric desalting device, dehydrated through the electric desalting device, and the desalted output water enters the water treatment system without circulation.This process is mainly applicable to crude oil salt content and
Reference: Discussion on Calculation of Salt Washing Water Volume in Crude Oil Desalination Process P2 (48) Figure 1 shows the primary electric desalting process, that is, the washed water is directly injected into the inlet of the electric desalting device, dehydrated through the electric desalting device, and the desalted output water enters the water treatment system without circulation.This process is mainly applicable to crude oil salt content and
Calculate the calculated power (apparent power) of the electric tripping transformer according to the following table. In the formula, PO is the output power of the transformer, W;ηIs the transmission efficiency of transformer, dimensionless;PT is the calculated power, W;
1. Form I: Reference: Development of High Frequency Pulse Electric Dehydration Power Supply Device for Crude Oil P23 (14) After the selection of magnetic core, calculate the AP value according to the area product method to finally determine the size of the magnetic core, where PT is the calculated power, W;Kf is the waveform coefficient, dimensionless, 4 for square wave;FS is the maximum operating frequency, Hz
Reference: Prevention of Fire Accident Causes of Crude Oil Electric Dehydration (Desalination) Unit P3 (23) according to the formula Ex=U/(rxln (r2/r1)), where Ex is the electric field strength at the distance rx from the inner diameter of the rod, V/cm;U is the voltage borne by the insulating rod, V;Rx is the radial distance from the center of the insulating rod, cm;R1 is the radius of the conductive core
Reference: Development of High Frequency Pulse Electric Dehydration Power Supply Device for Crude Oil P15 (6) is calculated according to the formula, where F is the coalescence force, N;εIs the dielectric constant of crude oil, F/m;E is the electric field strength of the applied electric field, V/cm;L is the center distance between two water drops, cm;R is the radius of water droplets, cm;
Reference standard: HG/T 20570.12-95 Flare System Setup P17 (411) according to the formula LP=L30-20lg（γI/30), where LP is the distance from the discharge pointγNoise intensity at i, dB;L30 is the noise intensity at 30m from the emission point, dB;γI is the distance from the discharge point, m;
Reference standard: HG/T 20570.12-95 Flare System Setup P17 (411) is calculated according to the formula L30=L+10lg (WC2/2), where L30 is the noise intensity at 30 m from the discharge point, dB;L is the noise intensity, dB, which can be seen from Figure 1;W is the discharge flare gas flow, kg/s;C is the sound velocity, m/s (the calculation of C is fire
Reference standard: HG/T 20570.12-95 Flare System Setting P15 (409) According to the formula H=0.5 - YC, H is the height of flare stack, m;D is the distance from the flame center to the ground boundary, m;For the calculation of D, see the online calculation program of distance D from the torch flame center to the ground boundary, R is the radius of the barrier free area, m
Reference standard: HG/T 20570.12-95 Flare System Setup P13 (407), where dj is the diameter of flame stack, m;Uj is the outlet velocity of flame gas, m/s;Ux is the design wind speed, m/s;Tx is the air temperature, K;Tj is flame gas temperature, K;Mj is the average molecular weight of flame gas, without unit;DjR is wind thrust and
Reference standard: HG/T 20570.12-95 Flare System Settings P12 (406) is calculated according to the formula, where is the lower explosion limit parameter of flame gas, without unit;Cl is the lower explosion limit of flare gas in air, without unit;Uj is the outlet velocity of flare gas, m/s;Ux is the design wind speed, m/s;Mj is the average molecule of flare gas
