operations research calculations handbook - 2001
operations research calculations handbook - 2001
... distribution. Var X EX p [] [] =− () <11 28 OPERATIONS RESEARCH CALCULATIONS Dennis Blumenfeld HANDBOOK Boca Raton London New York Washington, D.C. CRC Press 1 2001 CRC Press LLC The mean E [ ... References 11 2001 CRC Press LLC Introduction The objective of this handbook is to provide a concise collection of analytical results and formulas that arise in oper...
Ngày tải lên: 02/04/2014, 15:44
HANDBOOK OF OPERATIONS RESEARCH IN NATURAL RESOURCES pdf
... Farmers generally prefer ‘single-risk and commodity strategies’. HANDBOOK OF OPERATIONS RESEARCH IN NATURAL RESOURCES 14 Ruud Huirne et al. Following a whole-farm risk-management approach, that ... Gómez-Limón, Berbel and Arriaza, proposes a multi-criteria approach to assist policy decision-making on water manage- ment for irrigated agriculture. The methodology is a hybrid betwee...
Ngày tải lên: 23/03/2014, 06:20
Handbook of Mechanical Engineering Calculations P1
... 1.5-in-(3.8-cm)-H 2 O inlet-air pressure drop because of heat-exchanger equipment located in the inlet-air stream. Cooling requirements of the chilling system increase the plant’s required cir- culating ... EQUIPMENT 1.65 FIGURE 42 (a) T-S diagram for ideal reheat-regenerative-bleed cycle; (b) T-S diagram for actual cycle. FIGURE 41 Combined reheat and bleed-regenerative cycle. Related Calcu...
Ngày tải lên: 09/11/2013, 04:15
Handbook of Mechanical Engineering Calculations P2
... Circulating-Water Systems for Power Plants 2.1 Designing Cathodic-Protection Systems for Power-Plant Condensers 2.7 Steam-Condenser Performance Analysis 2.12 Steam-Condenser Air Leakage 2.16 Steam-Condenser ... using Fig. 11. Enter at 2-inHg absolute (6.8-kPa) condenser pres- sure, and project to the two-stage curve. This curve shows that a two-stage ejector can readily handle a 25-percent ov...
Ngày tải lên: 09/11/2013, 04:15
Tài liệu Handbook of Mechanical Engineering Calculations P3 pdf
... an economic suc- cess for the utility. Measuring 665 ft (203 m) long by 95 ft (29 m) wide by 56 ft (17 m) deep with a 34-ft (10-m) draft, the vessel discharges a typical 40,000-ton load in 12 ... basis ϭ 55.0/(460.52 Ϫ 43.5) ϭ 0.1318, or 13.18 percent. Related Calculations. Use the method given here when making combustion calculations for any type of fuel oil—paraffin-base, asphalt-base, Bu...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Handbook of Mechanical Engineering Calculations P4 pptx
... 1 1 ⁄ 2 -in (3.8-cm) unit rated for temperatures up to 1000 Њ F (537.8 Њ C). The inlet is a 900-lb/in 2 (6205.5-kPa) 1 1 ⁄ 2 -in (3.8-cm) flanged connection, and the outlet is a 150-lb/in 2 (1034.3-kPa) ... 900-lb/in 2 (abs) (6205.5-kPa) service, each valveis1 1 ⁄ 2 -in (3.8-cm) unit rated for temperatures up to 1050 Њ F (565.6 Њ C). The inlet is 900-lb /in 2 (6205.5-kPa) 1 1 ⁄ 2 -in (3.8-cm)...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Handbook of Mechanical Engineering Calculations P5 pdf
... HEATING METHODS Steam-Plant Feedwater-Heating cycle Analysis 5.1 Direct-Contact Feedwater Heater Analysis 5.2 Closed Feedwater Heater Analysis and Selection 5.3 Power-Plant Heater Extraction-Cycle Analysis 5.8 Feedwater ... Extraction-Cycle Analysis 5.8 Feedwater Heating with Diesel-Engine Repowering of a Steam Plant 5.13 STEAM-PLANT FEEDWATER-HEATING CYCLE ANALYSIS The high-pressure cylinder...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Handbook of Mechanical Engineering Calculations P6 pdf
... given the lighter-weight fuel, step 1. Thus, one 200-gal (757-L) day tank would be suitable for each of the 1000-hp (746-kW) engines. For the 600-hp (448-kW) engines, the day-tank capacity should ... Southern California Gas Co. of the desiccant- cooling/thermal-energy-storage/cogeneration system, a proprietary design devel- oped for pre- and post-Title-24 mid-rise office buildings. Title 24 is...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Handbook of Mechanical Engineering Calculations P7 docx
... ENGINEERING CALCULATIONS 7.46 PLANT AND FACILITIES ENGINEERING 0.392 ϩ 0.784 ϭ 138.226 ft (42.1 m), say 140 ft (42.7 m) of water. In this calcu- lation, the 8-( 2.4-m) and 12-ft (3.7-m) head losses ... when a 10.5-in (266.7-mm) diameter impeller is used. Determine the performance of the model at 1750 r/min. What is the performance of a full-scale prototype pump with a 20-in (50.4-cm) impe...
Ngày tải lên: 17/12/2013, 11:15
Tài liệu Handbook of Mechanical Engineering Calculations P8 doc
... than 2100, find: (a)A 4-in (101.6-mm) pipe discharges 100 gal/min (6.3 L /s); how much fluid would a 2-in (50.8-mm) pipe discharge under the same conditions? (b) A 4-in (101.6-mm) pipe has 240 gal/min ... schedule 40 normal-impact grade 1-in (25.4-mm) pipe is unsuitable because its maximum operating pressure with fluid at 75 Њ F (24 Њ C) is 310 lb/in 2 (2.13 MPa). Plain-end 1-in (25.4-mm) schedu...
Ngày tải lên: 17/12/2013, 11:15