limitations on courses and programmes for 2015

... Applications due for:  Programmes and courses starting in 2015 with limitations on entry, including some distance courses  Discretionary Entrance for Trimester Three courses starting in January 2015 ... Closing date for Round One applications for doctoral admission and doctoral scholarships Discretionary Entrance applications for 2015 courses and programmes close March Sun Application deadline ... (limited selection of courses) December Wed Graduation ceremony at the Michael Fowler Centre Thu 10 Applications due for:  Programmes and courses starting in 2016 with limitations on entry, including...

Ngày tải lên: 10/12/2016, 23:01

... Additionally we plan to incur hours conducting investigations into whistleblower claims, regulatory, ethics and fraud allegations 6% for risk mitigation efforts such as the audit liaison function for ... conduct audits in the units identified below Additionally, based on risk and controls reviews conducted in the audit planning process, we may validate and/ or expand upon the areas of focus and ... recommendations to improve controls, mitigate identified risks and increase efficiency within operations; • Expand our audit universe to include Valley Medical Center and also consider expanding to...

Ngày tải lên: 23/03/2014, 02:20

Ngày tải lên: 24/03/2014, 12:20

... Selection 15 24 Introduction 24 Controlling the Process 24 Operation of a Control Valve 24 Pressure Control 27 Level Control 29 Temperature Control 29 Flow Control 29 Basic System Configuration 30 ... 413 General Considerations 413 Heat Input Required 413 Derivation of Equations (7-5a) and (7-5b) 414 Gravity Separation Considerations 415 387 Contents Settling Equations 416 Horizontal Vessels ... Derivation of Equations (7-8a) and (7-8b) 417 Vertical Vessels 418 Gunbarrels 419 Horizontal Flow Treaters 419 Derivation of Equations (7-10a) and (7-10b) and (7-11a) and (7-11b) 421 Retention Time...

Ngày tải lên: 02/04/2014, 16:08

... interpretation Therefore, the contents and all interpretations and recommendations made in connection herewith are presented solely as a guide for the user's consideration, investigation, and verification ... accuracy or application to other conditions or situations There are many variable conditions in production facility design and related situations, and the authors have no knowledge or control of their ... Lubrication System 313, Cylinder/Packing Lubrication System 316 Pipe Sizing Considerations, 317 Foundation Design Considerations 319, Industry Standard Specifications 320, Fugitive Emissions Control...

Ngày tải lên: 06/08/2014, 02:20

... Equation 2-5 gives a value for "U" based on the outside surface area of the tube, and therefore the area used in Equation 2-3 must also be the tube outside surface area Note that Equation 2-5 ... 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 Film ... Therminol and for computing heat transfer coefficients and pressure drops in a wide variety of tube sizes and flow conditions using Therminol as the heat transfer fluid is available from Monsanto...

Ngày tải lên: 06/08/2014, 02:20

... common pitches for square patterns are %-in OD on 52 Design of GAS-HANDLING Systems and Facilities I -in and 1-in OD on l!4-in For triangular patterns these are %-in OD on %-in., M-in OD on 1-in., ... Packing Gland Lantern Ring Tierods and Spacers Transverse Baffles or Support Plates Impingement Ptate Longitudinal Baffle Pass Partition Vent Connection Drain Connection Instrument Connection Support ... field For greater precision, a correction for H2S and CO2 content may be required Refer to the Gas Processors Suppliers Association's Engineering Data Book or other text for a correction procedure...

Ngày tải lên: 06/08/2014, 02:20

... combustion equipment is that in which the flame and/ or products of combustion are used to achieve the desired result by radiation and convection Common examples include rotary kilns and open-hearth ... heat exchangers, and melting pots The heat exchangers previously discussed rely on convection and conduction for heat transfer In a fired heater, such as shown in Figure 3-J9 radiation plays a major ... radiant section tube coils of horizontal fired heaters are arranged horizontally so as to line the sidewalls and the roof of the combustion chamber In addition, there is a convection section of tube...

Ngày tải lên: 06/08/2014, 02:20

... fraction of the hydrocarbon component in gas on a water-free basis to the mol fraction of the hydrocarbon component in the solid on a water-free basis That is: where xn = mol fraction of hydrocarbon ... hydrocarbon component n in gas on a water-free basis Kn = vapor-solid equilibrium constant for hydrocarbon component n The vapor-solid equilibrium constant is determined experimentally and is defined ... Paragon Engineering Services, Inc 92 Hydrates 93 free water, that is, liquid water, hydrates cannot form Secondary conditions such as high gas velocities, agitation of any type, and the formation...

Ngày tải lên: 06/08/2014, 02:20

... liquid and may require the flashing of both intermediate and heavy components to the gas stream *Reviewed for the 1999 edition by Conrad F Anderson of Paragon Engineering Services, Inc 130 Condensate ... each tray and the gas becomes richer and richer in the light Figure 6-4 Cold-feed distillation tower of condensate stabilization system Condensate Stabilization 135 ends and leaner and leaner ... Stabilization 131 Gas condensate, on the other hand, may contain a relatively high percentage of intermediate components and can be easily separated from entrained water due to its lower viscosity and...

Ngày tải lên: 06/08/2014, 02:20

... requirement for any sales contract may vary, depending upon negotiations between seller and purchaser Next to sales contract specifications, corrosion protection ranks highest among the reasons for the ... immediate and without warning Generally, a concentration of 100 ppm H2S or more in a process stream is cause for concern and the taking of proper operating precautions Gas sales contracts for natural ... Figure 7-1, H2S concentration required for sulfide-sfress cracking in a pure gas system (Courtesy of National Association t Corrosion Engineers,} Figure 7-2, H2S concentration required for suifide-siress...

Ngày tải lên: 06/08/2014, 02:20

... concentration of H2S relative to CO2, the higher the amine concentration and allowable loading This is due to the reaction of H2S and iron (Fe) to form iron sulfide (Fe2S3), which forms a protective ... either on the reaction of H2S and O2 or H2S and SO2 Both reactions yield water and elemental sulfur These processes are licensed and involve specialized catalysts and/ or solvents A direct conversion ... PROCEDURES FOR IRON-SPONGE UNITS The iron-sponge process generally uses a single vessel to contain the hydrated ferric oxide wood shavings A drawing of an iron-sponge unit showing typical provisions for...

Ngày tải lên: 06/08/2014, 02:20

... hydrate formation and corrosion from condensed water The latter consideration is especially important in gas streams containing CO2 or H2S where the acid gas components will form an acid with the condensed ... degradation products from COo can be removed by a carbon filter on a side stream of lean solution Materials of Construction Amine systems are extremely corrosive due to the acid-gas concentrations and ... dehydration used *Reviewed for the 1999 edition by Lindsey S Stinson of Paragon Engineering Services, Inc 195 196 Design of GAS-HANDLING Systems and Facilities for natural gas In producing operations...

Ngày tải lên: 06/08/2014, 02:20

... adsorption period with six hours of heating and two hours of cooling for regeneration Adsorption units with three beds typically have one bed being regenerated, one fresh bed adsorbing, and one bed ... parts and because of their slamming reciprocating motion require constant attention One spare pump should always be installed 222 Design of GAS-HANDLING Systems and Facilities Table 8-3 Gas Consumption ... flowing on the still to more than 300°F and would decrease the reboiler heat duty SOLID BED DEHYDRATION Solid bed dehydration systems work on the principle of adsorption Adsorption involves a form...

Ngày tải lên: 06/08/2014, 02:20

... of gas required for heating will be 240 Design of GAS-HANDLING Systems and Facilities The regeneration gas heater load QH is then: For design, add 25% for heat losses and non-uniform flow Assuming ... compressor, suction scrubbers and discharge coolers for each stage of compression and all necessary piping and controls On large units (> 1,000 hp plus) the cooler may be shipped on a separate skid ... pressure from Position to Position As the piston reverses its travel the gas remaining within the cylinder expands until it equals suction pressure and the piston is again in Position Reciprocating...

Ngày tải lên: 06/08/2014, 02:20

... are economic and operational reasons for considering an additional stage of compression The addition of a stage of compression requires an additional scrubber, additional cylinder or case, and ... these are not recommendations that should be accepted without consideration of the advantages and disadvantages listed earlier In addition, local foundation conditions, type of drivers available, ... Integral (onshore only) Figure 10-12 shows the pressure-volume curve for both single stage compression and two stage compression (neglecting interstage losses) By adding the second stage and cooling...

Ngày tải lên: 06/08/2014, 02:20

... suction conditions of temperature and pressure, ft3/min Ev = volumetric efficiency PD = piston displacement, fVVmin or from: where qg = gas throughput at standard conditions, scfm Ps = suction ... pistons on the same piston rod This arrangement allows two stages of compression on the same compressor throw and is usually used in low capacity, low rod load applications Another variation is ... bore The suction valves are stationary and located at each end of the cylinder The discharge valves are connected to the piston rod to form the piston; thus the name valve-in-piston design This...

Ngày tải lên: 06/08/2014, 02:20

... packages Fugitive Emissions Control One of the growing environmental concerns for both new and existing reciprocating compressor installations is fugitive emissions Fugitive emissions are the leakage ... pulsation and vibration study per API 618 Section 3.9 would be advisable to improve reliability and to minimize system problems and potential damage caused by gas pulsations and interaction between ... 1, Chapters and for the calculations of natural frequency of pipe Foundation Design Considerations Satisafactory compressor installations many times depend on how well the foundation or support...

Ngày tải lên: 06/08/2014, 02:20

... Corrosion Protection 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 ... types of relief valves: conventional, balanced-bellows, and spring loaded Conventional Relief Valves Figure 13-2 shows a cross section of a conventional relief valve and Figure 13-3 is a schematic ... cages, platforms, and stairs - Vessel supports and lifting lugs - Insulation supports - Shop drawings • Fabrication - General - Welding - Painting - Inspection and testing - Identification stamping...

Ngày tải lên: 06/08/2014, 02:20

... coefficient of discharge for conventional and bellows = 0.975 = for pilot = 0.92 = for liquid service = 0.65 Kv = viscosity correction factor = 0.95 Calculate orifice size for: Conventional safety relief ... valve Solution Conventional Safety Relief Valve The percent absolute back-pressure for conventional and pilot-operated safety relief valves is: Pressure Relief 381 For a conventional relief valve, ... precise formulas for calculating orifice area for twophase flow The common convention is to calculate the area required for the gas flow as if there were no liquid present and the area required for...

Ngày tải lên: 06/08/2014, 02:20