2—design of slabs with shrinkage and temperature reinforcement

... Shell and Tube Heat Exchangers Btu/hr-ft2-°F Service Water with 100-psi gas Water with 300-psi gas Water with 700-psi gas Water with ,000-psi gas Water with kerosine Water with M.EA Water with ... air Water with water Oil with oil C with C3 liquid Water condensers with C3, C4 Water condensers with naphtha Water condensers with still ovhd Water condensers with arnine Reboilers with steam ... bulk temperature and the outside fluid bulk temperature The thermal conductivity of natural and hydrocarbon gases is given in Figure 2-5 The value from Figure 2-4 is multiplied by the ratio of...

Ngày tải lên: 06/08/2014, 02:20

... initial outlet temperature of the bed will be the bed temperature of 110°F; at the end of the heating cycle, the outlet temperature will be the design value of 350°F So the average outlet temperature ... desiccant and design on the basis of 6% loading Sorbeads weigh approximately 49 lb/ft3 (bulk density) The required weight and volume of desiccant per bed would be: 238 Design of GAS-HANDLING Systems and ... components and sell it as 250 Design of GAS-HANDLING Systems and Facilities Figure 9-4 Simplified flow diagram of a fractionation plant ethane, propane, butane, and natural gasoline The process of separating...

Ngày tải lên: 06/08/2014, 02:20

... calculation of horsepower and number of stages depends upon the choice of type of compressor, and the type of compressor depends in part upon horsepower and number of stages A first approximation of the ... type, the number of stages of compression, and the horsepower required In order Compressors 271 to this the volume of gas, suction and discharge pressure, suction temperature, and gas specific ... accepted without consideration of the advantages and disadvantages listed earlier In addition, local foundation conditions, type of drivers available, cost of fuel, availability of spare 272 Design of...

Ngày tải lên: 06/08/2014, 02:20

... (Courtesy of Dresser-Rand.) 290 Design of GAS-HANDLING Systems and Facilities Figure 11-5 Typical double-acting compressor cylinder (Courtesy of Dresser-Rand Company.} ing cylinders with the outer ... that contains the rotating parts and on which the cylinders and crossheads are mounted (Courtesy of Dresser-Rand Company.) 288 Design of GAS-HANDLING Systems and Facilities facturers for a maximum ... clearance pocket (Courtesy of Dresser-Rand Company.) 306 Design of GAS-HANDLING Systems and Facilities tlon and discharge valves so that the valves can be removed and reinstalled These clearances...

Ngày tải lên: 06/08/2014, 02:20

... cylinders with a minimum clearance of 17.92%, a rod load limit of 25,000 Ib, and rod diameter of 1.75 in Assume k = 1.26, Zs = 0.88, and Zd = 0.85 322 Design of GAS-HANDLING Systems and Facilities ... a copy of the ASME Code and should become *Reviewed for the 1999 edition by K S Chiou of Paragon Engineering Services, Inc 327 328 Design of GAS-HANDLING Systems and Facilities familiar with its ... the construction site The weight of a vessel is made up of the weight of the shell, the weight of the heads, and the weight of internals, nozzles, pedestals, and skirts The last two terms are...

Ngày tải lên: 06/08/2014, 02:20

... weight of one 2:1 ellipsoidal head is approximately: The weight of a cone is: a = one half the cone apex angle 339 340 Design of GAS-HANDLING Systems and Facilities The weight of nozzles and internals ... Pressure vessels handling salt water and fluids containing signficiant amounts of H2S and CO2 require corrosion protection Common corro- 350 Design of GAS-HANDLING Systems and Facilities SIDE ... fabricated with spot x-ray and to be built to Division A conical head (bottom of the vessel) is desired for ease in sand removal Compare this weight to that of a vessel without the conical section and...

Ngày tải lên: 06/08/2014, 02:20

... disc, and allowing the disc to rise, 366 Design of GAS-HANDLING Systems and Facilities Pilot-operated valves have the advantage of allowing operations near the set point with no leakage, and the ... relieving rate and the length and size of the outlet piping It can't be determined from* the vessel pressure and PSV orifice size because the flow is choked and is independent of the outlet pressure ... relief valve inlet of 1,970 psig fails within the pressure rating of Class 900 The outlet flange rating is ANSI Class 300 because with a back-pressure of 500 psig the pressure rating of ANSI Class...

Ngày tải lên: 06/08/2014, 02:20

... cases only one level of protection would be required, given the degree of reliability of shutdown systems and the consequences 400 Design of GAS-HANDLING Systems and Facilities of failure However, ... arresters and stack arresters on fire tubes to prevent flash back and exhaust sparks, gas detectors to sense the presence of a fuel in a confined space, and fire 396 Design of GAS-HANDLING Systems and ... design is the use of proper material of sufficient strength and thickness to withstand normal operating pressures This is done by designing the equipment and piping in accordance with accepted industry...

Ngày tải lên: 06/08/2014, 02:20

... Design of GAS-HANDLING Systems and Facilities Table 15-2 (Continued) Example Specifications of Pipe, Valves, and Fittings Couplings -in and smaller J4-in Plugs !44n, and smaller 2-in and larger ... written with this in mind and, as a minimum, should cover the following: • Opening of equipment or piping, • Lockout and tagout of electrical and mechanical energy sources, « Hot work and other ... seats Figure 15-1 Cutaway of ball valve (Courtesy of Cameron Iron Works, Inc.] Figure 15-2 Cutaway of plug valve (Courtesy ofXomox Corp.) 432 Design of GAS-HANDLING Systems and Facilities Plug valves...

Ngày tải lên: 06/08/2014, 02:20

... Fittings, and Piping Details Figure 15-8 Needle valve (Courtesy of Anderson Greenwood and Co.) 437 438 Design of GAS-HANDLING Systems and Facilities Figure 15-9 Swing check valve (Courtesy ofJudd ... Instrumentation is the least difficult Often the facility is designed with equipment and piping that can handle the complete range of operating conditions, and with control valves selected so that ... configuration and effects of control and piping components Proceed with design of pipe supports and stress analysis, if required It is also a good practice to verify design conditions and piping...

Ngày tải lên: 06/08/2014, 02:20

... stream of hot gases against the blading of a turbine rotor As shown in Figures 16-6 and 16-7, the gas turbine consists of 478 Design of GAS-HANDLING Systems and Facilities Figure 16-6 Schematic of ... fuel flow to the range of 0,06 to 0.07 Ib of fuel per Ib of air Fuel Injection This is another method of supplying an engine with the correct quantity of fuel Three types of fuel injection are ... a function of air compressor pressure ratio, combustor temperature, air compressor and turbine efficiencies, ambient temperature, and barometric pressure High ambient temperatures and/ or low...

Ngày tải lên: 06/08/2014, 02:20

... portion of the fuel to burn without the presence of a flame This significantly reduces combustion temperature 492 Design of GAS-HANDLING Systems and Facilities Based on the results of the catalytic ... levels of particulates and unburned hydrocarbons over those of gaseous fueled engines Due to the large quantities of excess air, gas turbines tend to have lower emission levels of particulates and ... tend to produce greater quantities of nitrogen oxides (NOX) The formation of NOX depends on combustion temperature and residence times at high temperatures, both of which are higher in gas turbines...

Ngày tải lên: 06/08/2014, 02:20

... area of upper opening, ft2 For example, assume a building with inside dimensions of ft wide, 10 ft long, and ft high, an outside temperature of 70°F, inside temperature of 80°F, AI = A2 and the ... abuse and to withstand aging and exposure to expected chemicals Devices "potted" with common silicones and similar materials by an end user or even a manufacturer, without testing, and devices ... explosion-proof enclosures, {Courtesy of Crouse-Hinds Electrical Construction Materials, a division of Cooper Industries, Inc.] 528 Design of GAS-HANDLING Systems and Facilities Figure 17-17 Standard...

Ngày tải lên: 06/08/2014, 02:20

... rendition The low profile of fluorescent fixtures often dictates their use in areas with low headroom, such as in wellbays on offshore platforms and in 544 Design of GAS-HANDLING Systems and Facilities ... locations of high temperature and locations difficult to access for maintenance The ceilings of large compressor and pump buildings are examples of locations where remote ballasts often are attractive ... An Investigation of Additional Flammable Gases or Vapors with Respect to Explosion-proof Electrical Equipment 552 Design of GAS-HANDLING Systems and Facilities UL 595 UL674 Standard for Marine-type...

Ngày tải lên: 06/08/2014, 02:20

... Institute of Electrical and Electronic Engineers (IEEE), 532, 533, 549 Instrument Society of America (ISA), 513, 524,550 Instruments, 525 Intrinsically ... Nitrogen oxides formation of, 487-488 reduction engines, 488-490 turbines, 491-492 Noise pollution, engines, 492 Nozzles Code vessels and, 334 MAWP, 329-330 pressure vessels, 341 Offshore facilities ... compressors, high speed, 258 Turbochargers, 461 Turboexpanders, 248-249 U.S Coast Guard, 529 U.S Code of Federal Regulations, 552 U.S Government Printing Office, 552 Ultraviolet light, 547 Underwriters...

Ngày tải lên: 06/08/2014, 02:20

... curing T h e effect of concrete temperature on the compressive and flexural strength development of normal weight concr etes made with different types of cement with and without accelerating ... with the approximate nature of creep and shrinkage calculations Loss of prestress at any time and including ultimate Relaxation of other types of steel should be based on values, in percent of ... J.P., “Methods of Analysis of the Effects of Creep in Concrete Structures,” Thesis at the University Assessment of the Methods of Allowing for the Effects of Creep and Shrinkage of Concrete on...

Ngày tải lên: 24/10/2014, 16:03

... place exchange reactions, and migration of thiolated ligands would lead to less particle organization Correlation of Particle Size and Size Dispersion with Rate of Nucleation and Growth Time We have ... concentration of stabilizing ligand (ODT) present and solution temperature In this section, we discuss the correlation of these reaction parameters with the size and the size dispersion of the AuNPs ... nucleation and growth processes The temperature effects on particle size and size dispersion also can be interpreted based on the rate of nucleation and growth processes At lower temperatures of 25 and...

Ngày tải lên: 18/09/2013, 21:27

... (%) Size of derivative markets • • • • Types and number of schemes (unique and mixed funds) Total assets and growth rates (nominal and as percentage of GDP) Total number of investors and average ... network of the banking system, in particular, the total number of branches and the number of branches per thousand inhabitants A comparison of the distribution of branches between rural and urban ... • • • • Number of listed securities (bonds and equities) Share of households, corporations, banks, and NBFIs in the holdings of securities Number and value of new issues (bonds and equities) Market...

Ngày tải lên: 17/12/2013, 05:15

... than the parental cells both with and without a dimethylsulfoxide shock (Fig 3C) The LEX2 and LEX1 cells exhibited similar levels of saporin sensitivity in the absence of dimethylsulfoxide shock ... saporin and for cells shocked with dimethylsulfoxide after a °C toxin incubation (Figs 2B and 3A) Sandvig et al [28] have further shown that cells coincubated with dimethylsulfoxide and either ... absence of lipopolyamine exhibited 22% of the protein synthesis levels recorded for unintoxicated control cells Cells coincubated with saporin and lgÆmL)1 of lipopolyamine were between 33- and 83-fold...

Ngày tải lên: 07/03/2014, 05:20

... absence and presence of ATP, respectively, and 0.06 m)1ặs)1 for rabbit Hb, which illustrates the high reactivity of carp Hb and the decreased rate of reaction with T-state stabilization and lowered ... [25] or the formation of reaction intermediates other than metHb and HbNO [26] In carp and rabbit there was practically equal formation of metHb and HbNO, and the sum of metHb and HbNO concentrations ... following the addition of nitrite are given in Fig to illustrate the spectral changes that occurred during the reaction of nitrite with deoxyHb (Fig 1A) and with Hb with an initial So2 of 46% (Fig 1B)...

Ngày tải lên: 16/03/2014, 06:20