handbook of offshore engineering

... Development of Offshore Structures Novel and Marginal Field Offshore Structures Ocean Environment Loads and Responses Probabilistic Design of Offshore Structure Fixed Offshore Platform Design Floating Offshore ... with offshore engineering and the design of offshore structures This book emphasizes the practical aspects rather than the theoretical treatments needed in the research in the field of offshore engineering ... and Construction of Offshore Pipelines Design for Reliability: Human and Organisational Factors Physical Modelling of Offshore Structures Offshore Installation Materials for Offshore Applications...

Ngày tải lên: 02/04/2014, 16:05

... Development of Offshore Structures Novel and Marginal Field Offshore Structures Ocean Environment Loads and Responses Probabilistic Design of Offshore Structure Fixed Offshore Platform Design Floating Offshore ... with offshore engineering and the design of offshore structures This book emphasizes the practical aspects rather than the theoretical treatments needed in the research in the field of offshore engineering ... and Construction of Offshore Pipelines Design for Reliability: Human and Organisational Factors Physical Modelling of Offshore Structures Offshore Installation Materials for Offshore Applications...

Ngày tải lên: 02/04/2014, 16:05

... estimation of various frequencies Use the listing of C values shown below to determine the mode of vibration Note that C is a factor determined by the end conditions of the tube bundle Mode of vibration ... kg / h) of 10.3-lb / in2 (gage) (70.9-kPa) saturated steam, or 6830 gal / (25.9 m3 / min) of 370ЊF (188ЊC) hot water Cost-effective supply of this steam or hot water requires a redesign of the ... nonhalogenated materials, will be phased out by the end of the decade because of environmental considerations (destruction of the ozone layer) Use of nonhalogenated refrigerants is expected to increase...

Ngày tải lên: 09/11/2013, 04:15

... (0.28 kg) of water per pound (kg) of dry air Since the water content of the air is a function of the partial pressures, (0.622) (0.5067) / [(2 ϫ 0.5067)] ϭ 0.673 lb of water per lb of dry air ... m2) of condensing surface, a circulating-water flow rate of 10,000 gal / (630.8 L / s), 3⁄4-in (1.9-cm) no 16 BWG tubes, a water flow rate of ft / s (2.1 m / s), external friction of 20 ft of water ... a capacity of 8000 gal (30,280.0 L), and the steam space has a capacity of 30,000 gal (113,550.0 L) of water Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)...

Ngày tải lên: 09/11/2013, 04:15

... (0.0283 cu m) of natural gas; 1300 cu ft of air (36.8 cu m) per gal (0.003785 cu m) of No fuel oil; 1450 cu ft of air (41 cu m) per gal of No fuel oil; 1500 cu ft of air (42.5 cu m) per gal of No fuel ... and increases the weight of the products of combustion per pound (kilogram) of coal burned Therefore, the weight of the products of combustion is the sum of the weight of the combustion products ... 0.0209, say 0.021 mol of water per mol of air The product of this and the moles of air gives the total moles of Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com)...

Ngày tải lên: 17/12/2013, 11:15

... lb of moisture per lb fuel burned; Ma ϭ lb of moisture per lb of dry air to furnace; Cb ϭ lb of carbon burned per lb of fuel burned ϭ C ϭ RCr; Cr ϭ lb of combustible per lb of refuse; R ϭ lb of ... / lb of fuel ϭ Wc(14,150), where Wc ϭ lb of unconsumed carbon in refuse per lb of fuel fired With an ash and refuse of 9.42 percent of the dry coal and combustible in the ash and refuse of 32.3 ... Developing the performance characteristics of each piece of equipment as a function of load is the key to determining the mode of operation and loading of each type of steam producer For best results,...

Ngày tải lên: 17/12/2013, 11:15

... the above calculation with this rule of thumb shows reasonably good agreement Determine the heater volume With a capacity of W lb / h of water, the volume of a direct-contact or open-type heater ... the number of tubes per pass Assume the heater has only one pass, and compute the number of tubes required Once the number of tubes is known, a decision can be made about the number of passes ... (number of tubes per pass)(passes)(area per ft of tube) Or, tube length for pass ϭ 92.7 / [(14)(1)(0.1636)] ϭ 40.6 ft (12.4 m) The area per ft of tube length is obtained from a table of tube...

Ngày tải lên: 17/12/2013, 11:15

... average heat of vaporization of 1000 Btu / lb (2330 kJ / kg) of steam, this exhaust gas flow could generate 8,880,000 / 1000 ϭ 8880 lb / h (4032 kg / h) of steam If oil with a heating value of 145,000 ... mid-rise of ce buildings Title 24 is a section of the State of California Administrative Code that deals with energy-conservation standards for construction applicable to of ce buildings A summary of ... introduced every year *Elliott, Standard Handbook of Power Plant Engineering, McGraw-Hill, 1989 Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright...

Ngày tải lên: 17/12/2013, 11:15

... this handbook Once the required flow rate is determined, apply a suitable factor of safety The value of this factor of safety can vary from a low of percent of the required flow to a high of 50 ... point of crossing of the two-pump curve and the system-head curve is at the required value of 80 gal / (7.4 L / s) and 13-ft (3.96-m) head because it was so planned But the point of crossing of ... FACILITIES ENGINEERING FIGURE 10 Typical pump suction and discharge piping arrangements of the source of the liquid supply to the free surface of the liquid in the discharge receiver, or to the point of...

Ngày tải lên: 17/12/2013, 11:15

... velocity of a flowing fluid is changed by opening or closing a valve, pressure surges result The amplitude of the pressure surge is a function of the rate of change in the velocity of the mass of fluid ... factor of for traps installed between a boiler and the end of a steam main; traps at the end of a long steam main or ahead of pressure-regulating or shutoff valves usually have a safety factor of ... specific gravity of S, the weight of ft3 of oil ϭ (S )[weight of ft3 (1 m3) of fresh water at 60ЊF (15.6ЊC)] ϭ (0.80)(62.4) ϭ 49.92 lb / ft3 (799.2 kg / m3) Since gal (3.8 L) of liquid occupies...

Ngày tải lên: 17/12/2013, 11:15

... curve of a typical air motor Note how a built-in governor can change the shape of the curve by limiting the maximum speed of the air motor (Product Engineering) Downloaded from Digital Engineering ... (339.6 m3 / min) of air at a pressure of 14 lb / in2 (abs) (96.46 kPa) and a temperature of 60ЊF (15.6ЊC) Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) ... not recommended because of the possibility of scale and impurities buildup (Ingersoll-Rand Co.) Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright...

Ngày tải lên: 17/12/2013, 11:15

... / h (22,710 L / h), the weight flow rate of the oil, using the weight of water of Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2006 ... tube manufacturer’s engineering data show that a finned tube of these dimensions has 5.8 ft2 of area per linear foot (1.8 m2 / lin m) of tube To compute the linear feet L of finned tubing required, ... capacity of an electric heater to heat a pot containing 600 lb (272.2 kg) of lead from the charging temperature of 70ЊF (21.1ЊC) to a temperature of 750ЊF (398.9ЊC) if 600 lb (272.2 kg) of the...

Ngày tải lên: 17/12/2013, 11:15

... kg) of water ice in 24 h, the rate of heat removal is a ton (3.516 kW) of refrigeration Since the heat of melting (sublimation) of lb (0.454 kg) of water ice is 144 Btu (151.9 kJ), a ton of refrigeration ... is the work of Norman R Sparks, Professor and Head, Department of Mechanical Engineering, The Pennsylvania State University, and Charles C DiLio, Associate Professor of Mechanical Engineering, ... is the work of Norman R Sparks, Professor and Head Department of Mechanical Engineering, The Pennsylvania State University, and Charles C DiLio, Associate Professor of Mechanical Engineering, ...

Ngày tải lên: 17/12/2013, 11:15

... the lowest concentration of oxygen at the head Coated alloy Tail Back of head X Front of head Head Direction of propagation Figure 1.10 Illustration of the filament nature of filiform corrosion ... the head of the corrosion filament (Fig 1.11) For iron, pH values at the front of the head of to and a potential of close to Ϫ0.44 V (SHE) have been reported In contrast, at the back of the head, ... particular, the pH of such microenvironments tends to be very acidic The formation of acidified microenvironments is related to the hydrolysis of corrosion products and the formation of differential...

Ngày tải lên: 22/12/2013, 23:17

... results of collective efforts of many authors, the Handbook of Corrosion Engineering is the result of an extensive survey of state-ofthe-art information on corrosion engineering by a principal author ... production of the Handbook of Corrosion Engineering are drastically different than other handbooks dealing with the same subject While other corrosion handbooks have been generally the results of collective ... this Handbook is indeed the result of cumulative efforts of many generations of scientists and engineers in understanding and preventing the effects of corrosion, one of the most constant foes of...

Ngày tải lên: 22/12/2013, 23:17

... of the sludge to be disposed of daily by the digester will be lower due to its operation days per week (the ‘‘bugs’’ not take the weekends off) Therefore the volume of sludge to be disposed of ... acceleration force (G), defined as multiples of gravity, is a function of the rotational speed of the bowl and the distance of the particle from the axis of rotation In the centrifuge, the centrifugal ... wastewater is to have a BOD5 of 20 mg / L Both filters are to have a depth of feet (2.1 m) and a recirculation ratio of Filter media will consist of rock Size both stages of the trickling filter assuming...

Ngày tải lên: 25/12/2013, 23:18

... Values of r for 1000 ft (304.8 m) of Pipe Based on the Hazen-Williams FormulaЊ TABLE Value of the 0.85 Power of Numbers Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) ... foot of length Enter Table 20 at the flow depth of 0.2 ft (0.06 m), and project to the depth of depression of the gutter of in (102 mm) Opposite this depth, read the inlet capacity per foot of length ... quantity, in terms of percentage of total flow, for each part of the piping system In assuming a flow quantity note that (a) the loss of head due to friction between any two points of a closed circuit...

Ngày tải lên: 25/12/2013, 23:18

... (2.1 cm / m) of length? Calculation Procedure: Sketch the building roof Figure 13 shows the building roof and machinery room roof Indicate on the sketch the major dimensions of the roof and machinery ... roof area to be drained Two roof areas must be drained, the machinery-room roof and the main roof The respective areas are: machinery room roof area ϭ 50 ϫ 100 ϭ 5000 ft2 (464.5 m2); main roof ... sizes of brass pipe of standard internal diameter that correspond to the velocity limit of and ft/s (1.2 and 2.4 m / s), and to the friction limit of 4.0 lb/in2 / 100 ft (0.9 kPa / 100 m) of total...

Ngày tải lên: 25/12/2013, 23:18

... start of this section of the handbook These equations are used in both manual and computer-aided design (CAD) applications And since this handbook is designed for worldwide use, the first group of ... type of fuel, oil, gas, coal, etc., can be used for the structure This procedure is the work of Jerome F Mueller, P.E of Mueller Engineering Corp HEAT RECOVERY USING A RUN-AROUND SYSTEM OF ENERGY ... heat load The ventilation heat load ϭ (volume of air inflow)(number of air changes / hour)(density of air)(specific heat of air)(temperature rise of entering air) For this building, ventilation...

Ngày tải lên: 25/12/2013, 23:19

... of 12 yr, a tax rate (␶) of 0.4840, a tax credit factor (TC) of 0.25, a system life of 20 yr, an operating cost fraction (OMPI) of 0.0250, an initial fuel cost (Pf 0) of $3.11 / MBtu ($3.11 / ... intake and return passages of the solar system The wheels permit the transfer of thermal energy from the return to the intake side of the system and offer a means of controlling humidity For ... for example, an average recovery of 40 percent of 1200 Btu / ft2 (3785 W / m2) of solar energy of sloping surface would require approximately 100 ft2 (9.3 m2) of collector for the 50,000Btu (52,750-kJ)...

Ngày tải lên: 25/12/2013, 23:19