Spinning Calculation - Yarn calculations

... PROCESS FLOW OF YARN MANUFACTURING Axi-flow Cleaner Step Cleaner Scutcher Multi-mixer Card Machine Bibliography: Practical Cotton Spinning Calculations (M Siddique) Useful Tips in Spinning (S K ... it is a unit of length, i-e; Hank = 840 yard but practically, we take it as a unit of English count, i-e; Hank = 840 yd/lb Hank = 1680 yd/lb Roller Speeds: In spinning calculations, we d...

Ngày tải lên: 22/07/2015, 21:53

... in the yarn Presence of too many long thin places in the yarn RECTIFICATION Optimum twist to be used for the type of cotton processed Drafting parameters to minimise thin places in the yarn to ... places in the yarn which disappear when pulled with enough tension or Yarn with spring –like shape EFFECT More breaks in winding • More noticable in polyester and cotton blended yarns CAU...

Ngày tải lên: 13/08/2015, 13:22

... Calculating Employee Turnover The Definition Of Employee Turnover Be careful when defining employee turnover The wide range of alternative definitions of employee turnover can prove ... employees who were employed at the beginning of a period, and remain with the company at the end of the period This figure can be useful but it hides the departures of employees that joined and ....

Ngày tải lên: 21/08/2012, 17:44

Ngày tải lên: 17/09/2013, 21:00

... 2008, and begins again in January 2009 51 52 CHAPTER ■ CALCULATIONS IN A PIVOT TABLE If you calculate a running total with Years as the base field: • The subtotals for Years display the running ... they are grouped by year and month in the pivot table Product is in the Column Labels area, Years and Date are in the Row Labels area, and Units is in the Values area If y...

Ngày tải lên: 09/10/2013, 12:20

... 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 tu...

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...

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 ... 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...

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 ... 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 loadin...

Ngày tải lên: 17/12/2013, 11:15

... 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...

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 c...

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 ... 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 PUMPI...

Ngày tải lên: 17/12/2013, 11:15

... 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 @ McG...

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.digitale...

Ngày tải lên: 17/12/2013, 11:15