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Turbulent mixing across adjacent subchannels in packed rod bundles using conductivity measurement

Creator:: Chan, Pui Yuen
Abstract:: Turbulent mixing across adjacent subchannels in packed rod bundles was studied using conductivity measurement and sodium chloride solution as the tracer. Single phase water was the fluid investigated. The packed rod bundles were seven stainless steel tubes, 1.905 cm in diameter and 152.4 cm long, arranged in hexagonal close-packed configuration...
Resource Type:: Masters Thesis
Full Text:: difference, so that and dC =dZi,j Z, wig = p 1, 3 ( z. j b (2. 7) (2.8) Equation (2. 8) is the basic

Local shell-side heat transfer coefficients in the vicinity of baffles in tubular heat exchanges

Creator:: Gurushapkariah, Mysore Shamanna
Resource Type:: Masters Thesis
Full Text:: #/ É ' , f:\ 4, i f'\ JI) ,;n (/t\ 'z; \ (ìì< /\ 4; k9 /P?:p\t\ 't'_ NJ/I 44\ç ,' J

Heat transfer in a fluidized bed tubular heat exchanger

Creator:: Genetti, William Ernest
Resource Type:: Dissertation
Full Text:: Rep Arb Pr (z--) ( D ) (D ) g P P (19) µ t p p P 21 where H0 = height of the

Effects of water quality and surface temperature on the scaling characteristics of cooling tower water

Creator:: Lahm, Lawrence
Abstract:: The fouling of cooling tower water was investigated as a function of heater surface temperature and water quality. In particular, the effects on fouling of the addition of calcium in excess of the amounts required for saturation were examined. First, the average bulk water temperature was 97 ± 1 degree...
Resource Type:: Masters Thesis
Full Text:: absolute values for each term. After rearranging, dR f (k/x) dTw dT s dQ+ Tw + T s + (Tw - T s ) R f Z

Natural and forced turbulent mixing in rod bundles

Creator:: Jovanovic, Goran N.
Abstract:: The effects of mass flow rate and subchannel configuration on the turbulent interchange between adjacent subchannel in simulated rod bundle were investigated. The simulated rod bundle was made by arranging seven 1.913 cm diameter acrylic plastic rods in an equilateral triangular pattern in a tube 8.89 cm inside diameter. The...
Resource Type:: Masters Thesis
Full Text:: SQUARE SUBCHANNEL TR A PE Z 01 D A L SUBCHANNEL TRIANGULAR SUBCHANNE L Figure 1. Cross-section of

The effect of copolymer and iron on the fouling characteristics of cooling tower water containing corrosion inhibitors

Creator:: Abu-Al-Saud, Abdullah A.
Abstract:: Various antifoulant treatment programs and the considerations necessary for the effective use of such programs were examined. Two different groups of tests, with and without iron contamination, have been carried out on the effectiveness of several of the state-of-the-art copolymers (PA, HEDP, AA/HPA, AA/MA, SS/MA and AA/SA) in the inhibition...
Resource Type:: Dissertation
Full Text:: = deposition rate = removal rate K1,1<z.:! = constants CI = concentration of the foulant W = flow rate of the

Deposition characteristics of magnesium silicate and calcium carbonate in cooling tower water

Creator:: Lee, Sai Heep
Abstract:: Deposition characteristics of magnesium silicate and calcium carbonate on a heated surface in cooling tower water using city water as make-up was investigated. Flow velocity, bulk temperature and calcium hardness were maintained constant at 5.3 ft/ sec, 95°F and 150 ppm as CaCO₃ respectively whereas surface temperature varied from 105°F...
Resource Type:: Masters Thesis
Full Text:: s. 1 hi (Q/A)i t (T. - Tk.) Te. t (T, - Tb.) Tk. '1 '1 '1 '1 kJi ui (Q/A)i d(k/x) Z, 2 (k/x) T

Calcium carbonate scaling characteristics of cooling tower water

Creator:: Coates, Kenneth Edwin
Abstract:: Scaling characteristics of calcium carbonate on a heated surface in cooling tower water was investigated. Bulk temperature was maintained constant at 95°F. Flow velocities and surface temperatures ranged from 3 ft/sec to 10.3 ft/sec and from 105°F to 170°F respectively. City water was used as make-up for two different water...
Resource Type:: Masters Thesis
Full Text:: : (5-1o) ) and Eq. (5-10), the maximum relative dm T outlet Y dT outlet Y(Toutiet Tinlet) dY 101 Z

Friction losses for water flowing in non-circular ducts

Creator:: Mohandes, Abdolhosein
Abstract:: Friction factors were measured for water flowing in ducts made up of two rods held between two flat plates. Three rod diameters of 0.50, 1.00 and 1.50 inches were used. The spacings between rods varied from 0.0 to 0.32 inch. It was found that the concept of hydraulic diameter was...
Resource Type:: Masters Thesis
Full Text:: , for a unit mass of material, known as the Bernoulli equation is: AP A(z) + gA Z = - P a (1) For

Single phase turbulent mixing between adjacent channels in rod bundles

Creator:: Galbraith, Kirk Powell
Abstract:: The turbulent interchange of matter between parallel adjacent subchannels in a simulated rod bundle for single phase flow was investigated to determine the effects of mass flow rate and rod spacing. The simulated rod bundle was made by placing six 1-inch diameter rods in a square-square array. The overall test...
Resource Type:: Dissertation
Full Text:: that the subchannel conditions can z ROD BUNDLE HOUSING FUEL RODS SQUARE TRIANGULAR SUBCHANNEL

ScholarsArchive@OSU

Turbulent mixing across adjacent subchannels in packed rod bundles using conductivity measurement

Local shell-side heat transfer coefficients in the vicinity of baffles in tubular heat exchanges

Heat transfer in a fluidized bed tubular heat exchanger

Effects of water quality and surface temperature on the scaling characteristics of cooling tower water

Natural and forced turbulent mixing in rod bundles

The effect of copolymer and iron on the fouling characteristics of cooling tower water containing corrosion inhibitors

Deposition characteristics of magnesium silicate and calcium carbonate in cooling tower water

Calcium carbonate scaling characteristics of cooling tower water

Friction losses for water flowing in non-circular ducts

Single phase turbulent mixing between adjacent channels in rod bundles

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