... terms must be added to the right side of Equation 2-5 Tables 2-1 and 2-2 have basic tube and coil properties for use in Equation 2-5 and Table 2-3 lists the conductivity of different metals Inside ... 33 21 38 9.4 7.1 7.0 6.4 11.3 12.0 11.3 7.6 20 Design of GAS-HANDLING Systems and Facilities (text continued from page 17} ature and the tube wall temperature The tube wall temperature may be ... The specific heat of natural gas and hydrocarbon liquids can be calculated using procedures described later in this text (see pp 41 and 42) The physical properties and the optimum temperature range...
... 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 ... propane and/ or propylene Product Characteristics Commercial Propane Predominantly butanes and/ or butylenes 208* ASTMD- 1267-84 or butane and heavier, liquid volume percent max pentane and heavier, ... its various 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...
... efficiency, and longer life than the high speeds 264 Design of GAS-HANDLING Systems and Facilities The major characteristics of low-speed reciprocating compressors are: Size • Some one and two power ... seal After-coolers and separators are required to separate the seal oil and recirculate it to suction Screw compressors can handle moderate amounts of liquid They can also handle dirty gases because ... centrifugal compressor (top) and vertically split centrifugal compressor, barrel (bottom) {Courtesy of Dresser-Rand Company.) 269 270 Design of GAS-HANDLING Systems and Facilities efficiently This...
... 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 are called fixed clearances and ... Dresser-Rand Company.} Figure 11-12 Journal bearings allow axial and circumferential oil flow abng the bearing 298 Design of GAS-HANDLING Systems and Facilities film between the stationary and rotating ... cylinders and crossheads are mounted (Courtesy of Dresser-Rand Company.) 288 Design of GAS-HANDLING Systems and Facilities facturers for a maximum continuous horsepower, speed (rpm), and rod load...
... crosshead shoes, and can also supply oil to the packing and cylinder lubrication system Splash lubrication systems are 314 Design of GAS-HANDLING Systems and Facilities the least expensive and are used ... maintenance and lost production Due to the basic design of the compressor, its rotating and reciprocating masses produce inertia forces and moments tha cannot be completely eliminated and must be ... forces and moments by adding counterweights to the crossheads but cannot totally eliminate them 320 Design of GAS-HANDLING Systems and Facilities In addition to the unbalanced forces and moments,...
... 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 ... should be provided for 12-in and larger manways for safe and easy opening and closing of the cover Figure 12-10 shows an example of a horizontal manway cover davit and sleeve details Vessel Supports ... cone apex angle 339 340 Design of GAS-HANDLING Systems and Facilities The weight of nozzles and internals can be estimated at to 10% of the sum of the shell and head weights The weight of a skirt...
... 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 ... depends on 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 ... relief valve, and Figure 13-5 is a schematic that shows how the valve operates The bonnet is vented to atmosphere and a bellows is installed so that the back-pressure acts both downward and upward...
... 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 ... can lead to fire or explosion and thus to injury by way of creating an oil spill This type of accident is more time-dependent and lower in magnitude of damage, and thus an even lower level of ... blankets, pressure vacuum valves, and flame arresters can be installed to ensure that flame will not flash back into the tank and create an explosion Electrical shorts and sparks are also sources of...
... and Glycol Non-corrosive Hydrocarbons and Glycol Non-corrosive Hydrocarbons and Glycol Non-corrosive Hydrocarbons and Glycol Non-corrosive Hydrocarbons and Glycol Non-corrosive Hydrocarbons and ... 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 Screwed ... steps: Design and maintain a system for process upset detection and shutdown—RP 14C Design and select hardware with known reliability and mechanical integrity to contain pressure and mitigate...
... Valves, 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 ... for sizes 1-in and smaller Can be used in vertical lines Valve Selection and Designation Table 15-3 summarizes and compares the different valve types discussed in this chapter and highlights ... slugging and thus as small a diameter as possible should be used; consistent with pressure drop available and velocity constraints discussed in Volume 446 Design of GAS-HANDLING Systems and Facilities...
... with an understanding of basic engine operating principles and practices as necessary for selection and application The reader is referred to any of the many texts available on engine and turbine ... power, and exhaust Figures 16-3 and 16-4 illustrate a cross section and a P~V diagram for a two-cycle engine, respectively In this common type of engine, the piston in its traverse covers and uncovers ... Point under normal atmospheric pressure and temperature, PI and Tl It is then isentropically compressed to Point where the pressure and temperature are now P2 and T2 From Point the air flows into...
... similar to those of hydrogen and acetylene Group IIC includes both U.S and Canada Groups A and B To promote uniformity in area classifications for oil and gas drilling and producing facilities, ... require handling, storage, and continuous injection of the reducing agent The temperature level is critical because the SCR operates in a narrow temperature range between 550°~750°F (260°-399°C), and ... engineering and to the various codes and standards listed at the end of this chapter for a more detailed description concerning the design of electrical circuits, sizing conductors, and circuit...
... Consensus performance standards and guidance for installation are provided for combustible gas detectors by ISA SI2.13 and RP 12.13 and for hydrogen sulfide gas detectors by ISA S12.15 and RP 12.15 Required ... timers, A.C and D.C fuses or circuit breakers, current-limiting features, and A.C and D.C ammeters and voltmeters Optional accessories such as low D.C voltage alarms, ground fault indications, and A.C ... systems such as fire and gas detectors, Nav-Aids, communications, and emergency lighting require standby D.C power Most D.C power systems include rechargeable batteries and a battery charger...
... Controls and Systems Motors and Generators Safety Standard for Construction and Guide for Selection, Installation, and Use of Electric Motors and Generators MG 10 Energy Guide for Selection and Use ... GAS-HANDLING Systems and Facilities UL 595 UL674 Standard for Marine-type Electric Lighting Fixtures Electric Motors and Generators for Use in Hazardous Locations, Class I, Groups C and D, and ... STANDARDS AND CODES American National Standards Institute (ANSI) 1430 Broadway New York, NY 10018 C84.1 Voltage Ratings for Electrical Power Systems and Equipment (60 Hz) Y 14.15 Electrical and...
... Australian and New Zealand references are separated by a slash (/) Australian references apply in Australia, and New Zealand references apply in New Zealand Joint Standards apply in both Australia and ... AS / NZS 1596/Amdt 1/1999-04-05 STANDARDS AUSTRALIA / STANDARDS NEW ZEALAND Amendment No to AS / NZS 1596:1997 Storageand handling of LP Gas REVISED TEXT The 1997 edition of ... A, C, D, G, new Appendix O, Figures O1 and O2 Published on April 1999 Approved for publication in New Zealand on behalf of the Standards Council of New Zealand on 17 February 1999 AMDT No APR 1999...
... licence only Storage, distribution or use on network prohibited AS 1940—1993 Australian StandardR The storageand handling of flammable and combustible liquids This Australian Standard was prepared ... 106 G GAS–FREEING PRECAUTIONS AND PRINCIPLES 108 AS 1940—1993 STANDARDS AUSTRALIA Australian Standard The storageand handling of flammable and combustible liquids S E C T ... prohibited Australian StandardR The storageand handling of flammable and combustible liquids First published as part of AS CB5—1942 Second edition 1957 Third edition 1969 Rivised and redesignated in...
... nhanh (cache, nhớ chính) xem lưu trữ sơ cấp (primary storage) , thiết bị lưu trữ mức thấp đĩa từ xem lưu trữ thứ cấp hay lưu trữ trực tuyến (on-line storage) , thiết bị lưu trữ mức thấp gần thấp đĩa ... lên đĩa lần, không cho phép xoá viết lại, đĩa viết lại (rewritable) v v • Lưu trữ băng từ (tape storage) : Lưu trữ băng từ thường dùng để backup liệu Băng từ rẻ đĩa, truy xuất liệu chậm (vì phải ... Lưu trữ đĩa tồn cấp nguồn Lưu trữ đĩa bị hỏng hóc, không thường xuyên • Lưu trữ quang (Optical storage) : Dạng quen thuộc đĩa quang học loại đĩa CD-ROM : Compact-Disk Read-Only Memory Dữ liệu...
... Environment and Wireless LANs 22 Spreading and De-spreading DSSS 10 KHz bandwidth chip rate (BW) chip rate (BW) fc Transmission 10 KHz bandwidth fc Reception Baseband Information Bits Coding and Interleaving ... authentication and privacy IEEE 802.11 Standard ● Final draft approved in 1997 ● Operates in the 2.4 GHz industrial, scientific and medical (ISM) band ● Standard defines the physical (PHY) and medium ... Environment and Wireless LANs 28 Evolution of Mobile Wireless (4) Universal Mobile Telecommunication Systems (UMTS) • Wideband DS-CDMA • Bandwidth-on-demand, up to Mbps • Supports handoff from...