CIGR handbook of agricultural ENgineering volum v
Handbook of Mechanical Engineering Calculations P1
... reserved Any use is subject to the Terms of Use as given at the website Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION MODERN POWER-PLANT CYCLES AND EQUIPMENT CYCLE ANALYSES 1.4 ... 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 ... and off-design performance of an HRSG, such as that in Fig 16, under different conditions of exhaust flow, temperature, and auxiliary firing without delving into the mechanical design aspects of...
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Handbook of Mechanical Engineering Calculations P2
... (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)...
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Tài liệu Handbook of Mechanical Engineering Calculations P3 pdf
... (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 ... combustion of lb (0.45 kg) of coal ϭ sum of nitrogen and oxygen required ϭ 8.4228 ϩ 2.5444 ϭ 10.9672 lb (4.975 kg) of air per pound (kilogram) of coal burned Compute the weight of the products of combustion ... 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...
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Tài liệu Handbook of Mechanical Engineering Calculations P4 pptx
... 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 ... Related Calculations 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 ... Marks—Standard Handbook for Mechanical Engineers for a comprehensive tabulation of the densities of various materials PROPERTIES OF A MIXTURE OF GASES A 10-ft3 (0.3-m3) tank holds lb (0.5 kg) of hydrogen...
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Tài liệu Handbook of Mechanical Engineering Calculations P5 pdf
... output of the existing system is increased, as noted, because of increasing flow to the steam turbine’s condenser This increased output offsets the cost of interconnection to the boiler Related Calculations ... 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...
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Tài liệu Handbook of Mechanical Engineering Calculations P6 pdf
... 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...
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Tài liệu Handbook of Mechanical Engineering Calculations P7 docx
... 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 ... Companies All rights reserved Any use is subject to the Terms of Use as given at the website Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION PUMPS AND PUMPING SYSTEMS PUMP OPERATING ... 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...
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Tài liệu Handbook of Mechanical Engineering Calculations P8 doc
... surges result The amplitude of the pressure surge is a function of the rate of change in the velocity of the mass of fluid This procedure shows how to compute the amplitude of the pressure surge with ... stainless-steel pipes of different diameters, Fig 3, conveys 40 gal / (2.5 L / s) of water The length of each section of Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) ... 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...
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Tài liệu Handbook of Mechanical Engineering Calculations P9 pdf
... 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) ... ϭ 2.91 in (7.4 cm) Related Calculations The air consumption of power tools is normally expressed in ft3 / of free air at sea level; the actual capacity of any type of air compressor is expressed...
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Tài liệu Handbook of Mechanical Engineering Calculations P11 doc
... FACILITIES ENGINEERING TABLE Results of Trial Calculations 1st Trial Number of tubes Shell diameter, in Baffle spacing, in Product of factors: Tubeside Shellside Tube wall Fouling Total sum of products ... 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, ... heat Hm Btu required to melt a solid is Hm ϭ (weight of solid melted, lb)(heat of fusion of the solid, Btu / lb) Since the heat of fusion of lead is 10 Btu / lb (23.2 kJ / kg), Hm ϭ (600)(10)...
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Tài liệu Handbook of Mechanical Engineering Calculations P12 pdf
... 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, ... FACILITIES ENGINEERING This procedure is the work of Norman R Sparks, Professor and Head, Department of Mechanical Engineering, The Pennsylvania State University, and Charles C DiLio, Associate Professor...
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Tài liệu Handbook of Corrosion Engineering P2 pdf
... Filiform corrosion Filiform corrosion is a localized form of corrosion that occurs under a variety of coatings Steel, aluminum, and other alloys can be particularly affected by this form of corrosion, ... 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 0765162_Ch01_Roberge ... 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,...
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Tài liệu Handbook of Corrosion Engineering P1 pptx
... 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...
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Tài liệu Handbook of Mechanical Engineering Calculations P13 doc
... website Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION 13 WASTEWATER TREATMENT AND CONTROL Kevin D Wills, M.S.E., P.E Consulting Engineer Stanley Consultants, Inc Design of a Complete-Mix ... 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...
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Tài liệu Handbook of Mechanical Engineering Calculations P14 pptx
... 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...
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