Gas total

If the gas volume is not isothermal and is zoned, an additional magnitude, the gas-to-gas total-exchange area QGj, arises (see Hottel and Sarofim. Radiative Tran.sfer, McGraw-Hill, New York, 1967, chap. 11). Space does not permit derivations of special cases only the single-gas-zone system is treated here. 

Z. 5-25-Y, large huhhles = AA = 0.42 (NG..) Wi dy > 0.25 cm Dr luterfacial area 6 fig volume dy [E] Use with arithmetic concentration difference, ffg = fractional gas holdup, volume gas/total volume. For large huhhles, k is independent of bubble size aud independent of agitation or liquid velocity. Resistance is entirely in liquid phase for most gas-liquid mass transfer. [79][91] p. 452 [109] p. 119 [114] p. 249... 

Mode Interface Spray voltage Sheath gas Auxiliary gas Capillary temperature Manifold temperature Collision gas Total scan time QIMS resolution voltage added Q3MS resolution voltage added Parent masses... 

Cold gas conversion efficiency is the ratio of the gasifier fuel gas total heating value [i.e., (heating value)(mass flow)] to that of the coal feed, [(heating value)(mass flow)]. 

Selection of Separator Conditions—Formation Volume Factor of Oil—Solution Gas-Oil Ratio — Formation Volume Factor of Gas—Total Formation Volume Factor— Viscosities — Coefficient of Isothermal Compressibility of... 

Table 5. Forecast of Russian natural gas total export volume, bcm...

The ton container clean-out (TCC) system, neutralizers, and hydrolysate storage sections all produce small amounts of vent gas, totaling about 2.7 lbs/hr. In the cascade ventilation system, these gases are passed through two-stage carbon filters and are then exhausted to the atmosphere. A separate... 

Heat to preheat tail gas = Total heat - Heat to preheat air... 

Coleman, P.G., Griffith, T.C., Heyland, G.R. and Twomey, T.R. (1976b). Measurement of positron-rare gas total cross-sections at intermediate energies. Appl. Phys. 11 321-325. 

Volumetric mixing ratios are determined by dividing the sample densities, from Equation 4.3, by the drift gas total density and are reported as ppbv (parts per billion by volume). 

Table 7.1 lists the exergy values for CH4 ("natural gas") at various conditions. A gas reservoir stores natural gas at 300 bar while this gas after treatment is distributed at 70 bar. Which fraction of the gas total exergy is, by approximation, lost by this expansion Would this justify the installation of a turbo expander ... 

In 1930, marketed production of natural gas totaled 1.9 tcf following early pipeline expansion, total consumption by 1940 had risen to 2.7 tcf. Then, in the decade between 1940 and 1950, gas consumption more than doubled to 6.3 tcf, and it doubled again to 12.8 tcf by 1960. Marketed production in the United States peaked at 22.7 tcf in 1973, followed by significant declines resulting from conservation efforts. By 1990 the marketed production of natural gas was about 18 tcf per year, and demand was increasing steadily because of the convenience of natural gas and its qualities as an environmentally desirable fuel. 

Mole % Cl, in exit gas Total capital expenditure, dollars Total annual operating costs (fixed costs, production costs, overhead, etc.), dollars Gross annual savings by using process, dollars... 

For the WSGG clear gas components we denote SS ]K 0 = SSQ an( Sf K o = SG0 = 0. Finally the WSGG arrays of directed exchange areas are computed simply from a-weighted sums of the gray gas total exchange areas as... 

The emissivity and absorptivity of use in converting gray-gas total-exchange areas to real-gas values are Eq, and a, the latter obtained by using Eq. (5-166), except that E e ipL) replaces Eg(pL) the same for Eg, (2pL). This means that, for the conversion, four terms will have to be formulated Zq pL), edZpL), aci(pL), and OQi 2pL). The gray emissivity term Eq of Eq. (5-167) now becomes ... 

Conversion of gray-gas total exchange areas GS and SS to their nongray form depends on the fact that the relation between radiative transfer and blackbody emissive power dT is linear and proportional. The gray-gas-equivalent emissivity is applicable only to the... 

Tc = coolant temperature (K) (Tc inlet value) mean molecular weight of the reacting gas total pressure (psia) (Pf = inlet value) total mass flow rate (Ib/h) number of reactor tubes cross-sectional area of a reactor tube diameter of tube catalyst pellet diameter bed density (Ibcat/ft ) axial coordinate (ft)... 

Develop equations which may be solved to give the final temperatiireof the gas remaining in a tank after tire tank has been bled from an initial pressure Pi to a final pressure P2. Known quantities are initial temperature, tank volume, heat capacity of the gas, total heat capacity of the containing tank. Pi. and P2. Assume the tank to be always at the temperature of tire gas remaiiringin the tank, and the tairk to be perfectly insulated. 

Tempe- Space Gas Total Mercaptan Total Mercaptan... 

Pressure of gas = (total pressure) - (vapor pressure of water)... 

The rate of adsorption also decreased with increasing the feed flow rate, as is shown in Figure 8. As the flow rate is increased the residence time of the SO2 molecules at the adsorbent surface decreases. Consequently, this effect is analogous to the one of increasing the gas total pressure. 

Bubbles. Mass transfer between gas bubbles and a liquid phase is oF importance in a variety of operations—gas-liquid reactions in agitated vessels, aerobic reimamaiions, aed absorption or distillation in tray columns. As in liquid-liquid transfer, dispersion of a phase into small units greatly increases tha avtalable area for transfer. If the fractional holdup (volume gas/total volume) of the gas in a gas-liquid mixture is Hs, the imerfacial area par unit volume for bubbles of diameter dB is given by... 

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