Hydrostatic Pressure Vessel

Nomenclature

= radial urgency

= Hoop urgency

= axial urgency

Pi = interior hurry

Po = superficial hurry

ri = interior radius

ro = superficial radius

r = radius at guard of curiosity-behalf (usually ri or ro)

Delta L = Production

= Deformation

ID = interior dimeter of o-accentuation Gd = fluting waywarding

Srec = draw-extinguished recommended Bd = Pierce waywarding

GW = Fluting width

CS = morose minority waywarding

C = recommended ultimatum compression (static) 

Summary  

A artifice of a crowded vessel is constituted to estimate the good-tempered-tempereds of hydrostatic hurry when equitabletyd in them. The methodology of careful the urgencyes on crowded embankmented cylinders is graphic. A examine of the radial and hoop urgencyes is progressed to perceive the insist-upond bignesss of the vessel to equitablety extinguishedside a demand inferior 30 MPa hurry. The starts are artificeed to manage the accmanifestation on the vessel to deeptain the vessel in individual attribute extinguishedside tender. The vehemence in the vessel is estimated to perceive the punish starts that conquer deeptain the vessel unroving and trustworthy. A sanctioning technology examine is described to inferiordepresolve how to estimate the punish mass of the o-accentuation to mode the rule extinguishedside disembodiment meltage from the initiation of vessel. The fluting in the vessel was estimated to draw-extinguished the o-accentuation artificeed in a punish peel so the hurry laborer progress in and extinguished sanctioned. The calculations in this reverberation are ruleed mathematically in an academic peel restraint the artifice to be brought to career with lofty teachableness.

Introduction

In the opportunity of recognizeledge experimenting, it is certain to rule the teachableness of a favoaccentuation artifice, owing entirety equitabletys of selfselfselfsame exercise enjoy incongruous favoringations and dispute in disposition.

At the selfselfselfsame space the penny favoringation of a artifice can modify its teachableness. Therefore, the best equitablety must be constituted with legitimate favoaccentuation estimatements that transfer to its excellency.

It is rest that there are three thoughtful characteristics of the hurry vessel. Firstly, the mould of the vessel which presents the equations manifestationd to examine the impression of hurry in them. Secondly, the embodied manifestationd must be separated punishly to anticipate any risk if vessel trips. Definitely, the trustworthyty is the most thoughtful characteristic in a hurry vessel herefollowing it is thoughtful to elect the punish starts that conquer deeptain the vessel unroving at a guard. In abstracted to artificeing the desired sanctioning technology of the vessel to deeptain the disembodiment hurry tightened in the vessel extinguishedside any meltage. Companies, industries and labs commonly manifestation hydrostatic hurry on a model to approveness extinguished it equitableties which entiretyow us to inferiordepresolve the rules of the embodied. Using hydrostatic hurry is a trustworthy and cogent mode which helps us to inferiordepresolve further abextinguished demand of aims inferior hurry and the equitablety of hydrostatic hurry. There are a lacking incongruous techniques manifestationd to estimate the demand of a rule, restraint pattern, when a hydrostatic rule is step it is unconcealed that if disembodiment starts melting from the vessel, this would be considered as a triped rule.

Crowded embankmented cylinders species is that they manage further hurry. Inferior lofty hurry, the wentirety coercionce bubble and camanifestation demand thus is it thoughtful to mass direct bigness restraint the crowdedness of the cylinder anteriorly manufactuaccentuation the cylinder restraint hydrostatic ruleing. Measuaccentuation variables such as, hoop, radial, and axial urgencyes conquer be discussed and progressed restraint the vessel artificeed in this reverberation. The starts manifestationd are entitled to a lofty accmanifestation of hurry which is feasible to camanifestation a demand if there was no examine captured anteriorly using these favoaccentuation starts that enjoy this unimpassioned favoringation. A examine on the power of the start is substance manifestationd and conquer be graphic later in the reverberation. Basically, this reverberation conquer semblance a examine on how to artifice the insist-upond cylinder and starts to mode a trustworthy hydrostatic rule. As the artifice of the vessel conquer be graphic to inferiordepresolve the vision of the artifice and its masss. Which conquer transfer to an inferiorstanding on how to artifice a unroving crowded cylinder to mode an interior hurry and a hydraulic squeeze to rule a model hydrostatically.

Guard of the Plan

The plan guard to artifice a stratagem to estimate the good-tempered-tempereds of hydrostatic hurry on the severance controlce of the stratagem. It is rest that the stratagem insist-upond must manage stipulations of 30 MPa hurry thus crowded embankmented cylinder is deficiencyed. The importunacy of this plan is to constitute a artifice that engages the insist-upond stipulations restraint it to exercise plus applying punish methods and calculations restraint it to exercise.

Hydrostatic hurry

Hydrostatic hurry rule is larule fashion of ruleing the power of severance controlce of a vessel extinguishedside causing injury. Hydrostatic rule of vessels insist-upons mist or steep populated into the vessel if the severance controlce of vessel is abextinguished to splinter, the hindrance of disembodiment reduces the discharge as they stem the interior hurry that origins the demand. Short breath is released when severance is abextinguished to cmischief attribute LT (2016).

Disembodiment is a fdisembodiment balance that is manifestationd restraint a hydrostatic rule. Disembodiment is short dear than gloze and it has an easier method than steep restraint a rule. The scantling conquer not attributable attributable attributable attributable attributable attributable attributpowerful attributpowerful attributpowerful attributpowerful attributpowerful attributpowerful gain injuryed superveneing the rule. When a demand answers, it media that the vessel does not attributable attributable attributable attributable attributable attributable attributpowerful attributpowerful attributpowerful attributpowerful attributpowerful attributpowerful engage the rule and this demand can be semblancen when the durpower trips and disembodiment begins to melt.

It is thoughtful to promise the melt anticipateion, reliability, and trustworthyty of the hurry rule. There are span methods of ruleing hydrostatic and pneumatic. Disembodiment is manifestationd as a balance of the hydrostatic rule Arshad Mahmud (2012).

The hydrostatic rule estimates the modifipowerful destructure of a metal and its power to gain tail to it is restraintmal mould. Disembodiment is a trustworthy balance as it is can housed approve steep. When a cylinder blows extinguished, disembodiment conquer melt which is trustworthyr than using other embodied imputpowerful its possibility to be loftyly explosive.

Hurry vessel

Hurry Vessel is a tank that is artificeed to embrace mistes or clears at incongruous hurry limits. The hurry or region drops can be riskous; this can camanifestation an discharge which can sully anyindividual close the vessel. Thus, when artificeing a hurry vessel authorizepowerful commands must be captured to constitute a vessel that is trustworthy to accomplish its agency.

History of hurry vessels afloat in 1495 when Leonardo Da Vinci artificeed a vessel.

 

The senior wholes that answerred were primarily discharges owing of meltage of housed mist or clear, and if a feeling was persistent close. Engineers constituted trustworthyty factors as estimatements of trustworthyty of hurry vessels LT (2016).

Hurry vessels are manifestationd in sundry applications, restraint pattern, in housed disembodiment receivers, fervent steep storage tank, compression rooms, mining agencys and nuclear reactor vessels.

A cylinder is the common mould that is manifestationd restraint hydrostatic ruleing. It has good-tempered-tempered-tempered resources-of-support owing it is checked whole five years restraint open trustworthyty. When the stratagem gains collected when in storage, weary coercionce answer herefollowing the consequence of the resources-of-supports. However, harsh steel responds to it equitableties to manage in lofty hurrys. Steel as-well supplys controlled and trustworthy environment to anticipate any discharge that is feasible to injury nation.

Mould of the vessel

Cylinders enjoy an fanciful mould owing it is gentle to stir when in agency and are easily made. This constitutes cylindrical vessels the cheapest in absorb and most cogent. Even though the cylinder is the fanciful mould restraint the vessel, it comes with a lacking disadvantages, restraint pattern, the bigger the waywarding, the further dear the erection of the cylinder would be. The fanciful bigness restraint a cylindrical vessel is 8cm, this is to restraintsake inspections and ruleing issues RR (2012). In this subject, the ultimatum interior hurry separated is 30MPa which entiretyow us to artifice a crowded-walled cylinder. Equation, and variables of crowded embankmented cylinder conquer be graphic in this reverberation, inveterate on them a artifice of a vessel conquer be constituted restraint hydrostatic ruleing.

Crowded Embankmented Cylinders

There are a hazard of patterns restraint crowded cylinder such as, guns, hydrostatic ruleing stratagem, and lofty hurry hydraulic pipes. Crowded cylinders are entitled to interior and superficial hurry. The wentirety crowdedness is extensive and the urgency amorose the crowdedness is not attributable attributable attributable attributable attributable attributable attributpowerful attributpowerful attributpowerful attributpowerful attributableable. Urgencyes in this subject are solved by using favoaccentuation condition stipulations, compatibility, and equilibrium. The whole of crowded embankmented cylinders is that they are entitled to lofty hurry and region which is feasible at faithful or changing continuance. The common whole is tractile severance of the embodied which is owing of the surveying or the equitableties of the embodied. The legitimate deal-outition of a crowded cylinder is relative on the radial and hoop urgency origind by the interior hurry which depresolve up to the succumb power of the embodied.

 

Equilibrium equation is thoughtful owing we deficiency it to report urgencyes to strains and strains to displacement d(sr) / dr + sr – sh / r = 0.

Compatibility equations;

Crowded embankmented cylinders enjoy three deep unimpassioned urgencyes. To artifice a crowded, cylinder the crowdedness of the wentirety should be further than 1/10 of the grearule waywarding of the cylinder:

1-Hoop Urgency

2-Radial Urgency

3-Axial Urgency

(2017) Crowded embankmented cylinder

The condition stipulations of a crowded-walled cylinder are:

Thin demeanor is,

at

and extinguisheder demeanor is,

at

Thus -pi = A – (B / ri^2) and -po = A – (B / ro^2)

 

Variables can be seen in approveness 1.1,

Likeness 1.1 semblances dregs of the variables (2017) Crowded embankmented cylinder

A and B in the concurrent equations over when applied to the condition stipulations over, span faithful equations restraint A and B conquer be concluded;

Now, to perceive the definite open equation, Lame’s equation is interjacent thus the hoop urgency and radial urgency conquer be;

(2017) Crowded embankmented cylinder

the axial urgency on the subject of the cylinder artificeed halloo which a close resolve is adapted by media of equilibrium which is poor to as semblancen over.

Ultimatum skim urgency supervene that urgencyes on the cylinder at any guard on the wentirety are main urgencyes. Thus, the ultimatum skim urgency at any guard conquer be ardent by the equation of Tresca supposition,

Giuseppe Catalanotti (2017)

 

Embodied of the vessel

Hurry vessel are primarily made from steel. Rolling or restraintging is manifestationd to constitute extinguished the mould extinguished of the vessel. Current rules manifestation steel to impression hindrance which acceptions the unimpassioned power. Steel is the most thoughtful embodied restraint engineeaccentuation and erection in the globe. Steel has a wide hindrance to inactivity owing of its restraintmpower and durability, lofty tensile and succumb power and is very cogent restraint fervid conductivity. Stiffness, docility and succumb power are estimated using tensile urgency rule. Impression rule manifestationd to approveness extinguished the controlce and harshness of demeanor hindrance Entirety Embodied (2016).

-Succumb power of steel is 260MPa

-Boyish modulus is among 210 GPa (Stiffness meliorate three spaces than aluminum) -density of 7.7/8.1(kg/dm3)

-Poisson’s harmony 0.30

-Fervid conductivity 11.2/48.3(W/mK) -Fervid expansion 9/27(10-6/K)

Entirety Embodied (2016).

Trustworthy tank to accomplish a hydrostatic rule must redeep sanctioned. Lip sanction technology is manifestationd in this method. O-accentuation were constituted to anticipate any meltage when hydraulic laborer is inserted into the room. A hydrostatic rule should engage these limitations of the vessel to redeep ruleing of hurry trustworthy.

 

Calculations & Results:

First, the ultimatum hurry that conquer camanifestation succumb at the interior demeanor of the vessel conquer be adapted, using the hoop and radial urgencyes to perceive the ultimatum skim power and the succumb power. The equations conquer be manifestationd are explained in crowded-walled cylinder minority which are the hoop and radial urgencyes. In abstracted to the ultimatum skim power equation and succumb equation which conquer be mentioned in the superveneing;

Giuseppe Catalanotti (2017)

Secondly, the production equation conquer be manifestationd to detail the bigness of the deformation;

Delta(L) = deformation(z) * L

(L) is the summit of the interior sever which has a summit of 0.210m Deformation(z)

v = ignoringion’s harmony

E = the boyish modulus

k is the harmony of superficial waywarding on the interior waywarding ro/ri

First the hoop and radial urgencyes must be adapted herefollowing the hoop urgency equation is

pi = 30MParo = 0.210m

k = 2.625ri = 0.08m

hoop urgency is = 145.67MPausing hoop urgency equation over.

pi = 30MParo = 0.210m

 

k = 2.625ri = 0.08mk = ro / ri

The radial urgency is = -(108.75 MPa)but r = -piusing radial urgency equation over.

The succumb equation is

pi = 30*10^6 k = 2.625using the succumb equation over.

= 70.18 MPa

Since the succumb power of the steel is 260Mpa and it is wideer than the succumb at 70.18MPa hurry then the estimatements of the vessel answer to be powerful to manage an extra 190MPa on the method anteriorly it begins to trip.

The ultimatum skim power Tresca is    =

Since hoop and radial urgencyes are rest, ultimatum skim urgency can be adapted.

= 145.67MPa

= 108.75MPa= 70.18MPa

Giuseppe Catalanotti (2017)

Now perceiveing the Elongation which has the equation Delta(L) =* L

= (1 – 2v) * pi / E (k^2 – 1)

= (1 – 2 * 0.3) * 30*10^6 / 210*10^9 * (2.625^2 – 1) = 9.7*10^-6

v = ignoringion’s harmony of steel pi = interior hurry

E = the boyish modulus of steel

k is the harmony of superficial waywarding on the interior waywarding ro/ri

Deformation= 9.7 *10^-6m

Since, Delta(L) = defamation(z) * L

Then,

L = Extension of the cylinder which is = 0.21m. See approveness (3).

Production is 9.7 * ^-6 * 0.21 = 2.037 *10^-6m

from Elongation equation over

Giuseppe Catalanotti (2017)

 

Bill of Embodieds

(6)

(4)

(1)

(3)

 

(5)

(2)

 

Item Estimate

Description

quantity

Material

(1)

Vessel

1

Steel

(2)

O-Ring

1

Rubber

(3)

M14 Starts

6

Steel

(4)

M12 Starts

4

Steel

(5)

Hurry laborer

1

Steel

(6)

Holding Stick

1

Steel

 

 

The Artifice and constellation procedure

A hydrostatic hurry stratagem was artificeed to estimate the hurry. This tank is to be determined to the hydraulic tool. Estimatement of the tool were captured to artifice the vessel. The resolve of this stratagem in approveness (1) is to fix that hurry rules are deeptained trustworthyly and suitably. This artifice is estimated to manage hurry among 0MPa to 70MPa. The rule conquer be progressed at 30 MPa. The embodied manifestationd is steel.

The artifice embraces six incongruous deep calibre as semblancen in approveness (1). This minority conquer supply mass and exercise of each deal-out.

Likeness (1) Vessel Components

(Exploded Purpose)

 

The bigness and the crowdedness are very thoughtful factors when artificeing a trustworthy vessel. Approveness (2) semblances the spherical waywarding of the culminationic of the vessel which is 21cm and that it was extruded to 34cm. Approveness (2) is as-well a morose minorityal purpose of the definite mould of the vessel.The thichness of the wentirety excluded the room is 6.5cm and the cause has a crowdedness of 7cm.

Likeness (3) semblances the dimsion of the room which is a cylinder of 8cm waywarding and extension of 21cm. This area is where it is expected to attribute the model. The model bigness is estimated to be 20*50*4mm

Likeness (2) Mass (1)Likeness (3)Room masss

The agency that conquer repose the vessel is brilliant. Approveness (4) semblances a waywarding of a sever of 5.1 cm and 6.5 lofty. This area is meant to be attributed into the cause reposeing laborer of the hydraulic tool in the Ashby architecture. Where the vessel has an extrusion of 27cm and summit of 5cm and was constituted as a shameful of vessel as semblancen in approveness (5).

 

 

 

Likeness (4) Cause laborer reposeer

Likeness (5) semblances the shameful waywarding and summit

Likeness (6) semblances that the shameful cylinder has 6 holes of M14 bigness. These holes were constituted to be tighteneden up with starts of M14 semblancen in approveness (7) on the tpowerful of the hydraulic tool. Six starts are constituted and can be seen in approveness (6).

 

Figure-(6) M14 holes x6

Mention of the Starts

(F = P x A),which media that the vehemence is resembling to the hurry sundry by the area. Approveness

(3) semblances the interior waywarding of the vessel which is 0.08m. (a = pi x (d)^2 / 4) is manifestationd to proportion the area of a cylinder, which media that (pi x (0.08m)^2 / 4) = (50.03*10^-3 m^2).

The ultimatum hurry conquer be ruleed is 30 MPa. Since hurry is 30MPa and area is

(5.03*10^-3 mm^2). then as they sundry to produce a vehemence of 150 kN. This media that theentirety vehemence in the cylinder is resembling to 150 kN.

The interrogation here is that conquer the starts in approveness (7) and (8) M14, M12 manage 150 kN of vehemence. The discovery on the metric starts semblances the power of each bigness of the starts. It was semblancen that M14 start has a accmanifestation demonstration of 66.7 kN. Approveness (6) semblances that there are 6 starts of M14 is manifestationd. Now, the entirety vehemence applied is disconnected by the estimate of the starts to semblance the insist-upond power of the starts. (150 kN / 6 = 25 kN) which media that the method insist-upons six starts that each of them can manage 25 kN of vehemence Metric Starts (2016).

Over it is mentioned that the accmanifestation demonstration of each of the M14 starts is 66.7 kN which media that a entirety of six M14 starts conquer supply an power of 400 kN, 400 kN of vehemence can manage 150 kN of applied vehemence. In tiny, the starts manifestationd in the method in approveness (11) engage the limitation of the examine which is 30 MPa.

To fix the trustworthyty of fixing the vessel to the tool, filthy M12 starts were borrowed. M12 start approveness (8) has a accmanifestation demonstration of 48.9 kN, Entirety accmanifestation demonstration of filthy starts is resembling to 195.6 kN which has a good-tempered-tempered-tempered impression on deeptaining the vessel trustworthy from any risk of substance rapidly progressd loose from it unroving guard. Eventually, the entirety power of the starts is resembling to 595.6 kN which are artificeed to anticipate the vessel from any feasible risk of a ultimatum hurry accmanifestation of 150 kNMetric Starts (2016).

Likeness (7) M14 Start x6

Likeness (1) semblances 4 holes constituted on culmination of the vessel. They are M12 holes constituted to acception stpower of the vessel and further trustworthyty in subject of the vessel left it attribute. Starts of M12 were constituted to enjoy a extension of 39cm as semblancen approveness (8).

Calculations over are estimatements of calibre in approveness (1) . Ten starts, 4 of M12 and 6 of M14 are determined to the shameful of hydraulic tool. Definitely, a hydrostatic rule can be dindividual trustworthyly. 

Likeness (8) Long M12 starts x4

Sealing Technology

O-accentuation is a unimpassioned mistket in a mould of loop with a waywarding that is made of rubber. It is artificeed to be prompt at circler sever which media that an o-accentuation conquer be housed duaccentuation employment. It is expected to sanction a articulation of span calibre. Individual unimpassioned boon of the o-rings is to sanction a tender laborer through a vessel extinguishedside an disembodiment meltage. Thus, a favoaccentuation artifice of an o-accentuation conquer be artificeed to be prompt at the initiation preliminary of the vessel restraint the laborer to penetrate the vessel extinguishedside disembodiment melting (efunda) 2017.

Likeness (5) semblances the attribute of the o-ring. The crowdedness of the o-accentuation is adapted to be 0.84 mm and the interior waywarding of the o-accentuation is estimated to be 79.46 mm. The o-accentuation artificeed can be seen in approveness (10).

Likeness (9) semblances the thoughtful and the mass of the O-ring. An o-accentuation is meant to be determined in this method. The fluting was estimated to be 4 cm loose from the culmination of the vessel in the room minority. The fluting waywarding was adapted to be 8.1 cm and the width of the fluting is 1.15 mm.

As hydraulic laborer penetrates the room, it conquer ignoaccentuation through three rubber bands that reduces the area of the room making it tighteneder restraint the laborer to be inserted extinguishedside any meltage extinguishedside the method P&S (2016).

The artifice of the thoughtful and the o-accentuation must be learned anteriorly they are artificeed. To artifice a sanctioning technology there are a lacking variables to recognize to constitute it. These variables are the pierce dimeter of the extinguishedside radius, the fluting waywarding of the internally radius and the fluting width of the axial extension. The ultimatum draw-extinguished of the 0-accentuation should not attributable attributable attributable attributable attributable attributable attributpowerful attributpowerful attributpowerful attributpowerful attributpowerful attributpowerful be further than 5% of the grove bigness (efunda) 2017.

Calculations of the O-accentuation and Results

ID is the interior waywardingof the o-accentuation and can be rest if Srec the recommended draw-outisseparated and the fluting waywarding Gd the fluting waywarding can as-well be rest when this equation

is manifestationd;

Srec = 2%

ID = Gd * (1 – Srec) then, ID = Gd * (0.98). The draw-extinguished of the o-accentuation is to constitute the o-ringstay at the fluting tightenedly extinguishedside falling extinguished (efunda).

ID = (39.94 * 2) – 0.42 = 79.46 mm

ID = 79.46mm

Gd = ID / 0.98

Gd = 79.46 / 0.98 = 81mm

Gd = 81mm

Morose minorityal Waywarding (CS) of the o-ring:

O-accentuation conquer be housed in radial beaaccentuation when it is determined to the fluting. As the morose minority of the accentuation is housed among fluting and pierce waywarding then the morose-sectional waywarding must be further the profundity of the fluting. Which media that CS > Gd – ID / 2 (efunda) 2017.

CS = Gd – ID / 2 =

81mm- 79.46mm / 2 = 0.77mm

As CS must be > than 0.77mm then CS = 1mm

C is the recommended ultimatum compression is 40% and must be restraint the accentuation to be housed. The recommendation of C depended on the sanction peel. Static sanctions do not attributable attributable attributable attributable attributable attributable attributpowerful attributpowerful attributpowerful attributpowerful attributpowerful attributpowerful insist-upon an axial progressment in the pierce(efunda) 2017.

Fluting Width in the Vessel (GW) =

When the accentuation is housed horizontally it conquer extend vertically. The embodied of the accentuation conquer be beneficial to be housed cogently. However, the fluting width should be abextinguished 1.5 by the morose minorityal of the o-accentuation waywarding and this to draw-extinguished the accentuation vertically (efunda) 2017.

GW = CS * (1.5) = 1mm * 1.5mm = 1.5mm.

 

Likeness (9) Minority Sever semblances the situation and bigness of the Fluting width and waywarding

Likeness (10) O-accentuation CS dimeter and radius (r)

 

Likeness (11) Definite Equitablety (Crowded embankmented Vessel)

Discussion

Crowded Embankmented cylinders manage lofty hurrys with smallest good-tempered-tempereds on the vessel and redeep trustworthy restraint advenient manifestation. The destructure feasible in the vessel is adapted to perceive the wholeity of production (the modify in restraintmation or extension in an aim). The elongation estimate is 0.002mm which is equitable. The ultimatum hurry in the vessel is 30MPa herefollowing perceiveing the hoop and radial urgencyes to perceive the skim urgency of the vessel and assimilate it with the succumb power of the vessel’s embodied and it masss. Therefore, the urgencyes applied at incongruous minoritys in the room are adapted over and hoop urgency is rest to be 145.67MPa and radial urgency is

108.7MPa. The ultimatum skim stressin the vessel is adapted from the hoop and radialstresses and it is rest to be 70.18 MPa. Inveterate on Entirety Embodied (2016) the succumb power of steel is 260 MPa. Giuseppe Catalanotti (2017) enjoy established that if succumb power of embodied is bigger than the skim urgency adapted in the vessel then the vessel is trustworthy when hurry applied. The Starts are artificeed to manage deeptain the vessel unroving on the cause of the hydraulic tool. The entirety vehemence trained in the vessel is adapted and rest to be 150kN thus the insist-upond starts are must enjoy a loftyer vehemence than 150kN. The six M14 starts manifestationd can manage vehemence of 400kN and this ample restraint the vessel to exercise trustworthyly. Definitely, the sanctioning technology, the o-­accentuation is artificeed to deeptain the vessel sanctioned when it is preforming. (efunda) 2017 established that the ultimatum recommended draw-extinguished of an o-­accentuation is 5% and the artificeed o-­accentuation has a draw-extinguished of 2%. The fluting width is 8.1cm, adapted using 2% max. draw-extinguished and an interior waywarding of 7.94cm. The CS waywarding o-­accentuation is 1mm, which must be loftyer than the adaptedCS waywarding which is 0.77mm. Hereafter, the

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