práctica_-viscosimetro
DESCRIPTION
USO DEL VISCOSIMETRO DE BROOKFIELDTRANSCRIPT
Sustancia medidaCapsupTemperatura26 C
Velocidad de deformacin (rpm)Lecturas (Agujas)
01020304050607
0.5--67.54120.591.5
1--7445.523102
2--84.551.526113
2.5--87.553.52711.53
4--96.55930.5133.5
5--10061.53213.53.5
10---703415.54
20---83.538165
50----47236
100----58277
% TorqueViscosidad aparente (Centipoise)
rpm03040506070304050607
0.567.54120.591.5135000164000164000180000120000
17445.52310274000910009200010000080000
284.551.5261134225051500520005500060000
2.587.553.52711.533500042800432004600048000
496.55930.5133.52412529500305003250035000
510061.53213.53.52000024600256002700028000
10703415.5414000136001550016000
2083.53816583507600800010000
5047236376046004800
10058277232027002800
% Torquelog % Torque
rpm0304050607log (rpm)0304050607
0.567.54120.591.5-0.301031.829303771.612783861.311753860.954242510.17609126
17445.52310201.869231721.65801141.3617278410.30103
284.551.5261130.301031.926856711.711807231.414973351.041392690.47712125
2.587.553.52711.530.397940011.942008051.728353781.431363761.060697840.47712125
496.55930.5133.50.602059991.984527311.770852011.484299841.113943350.54406804
510061.53213.53.50.6989721.788875121.505149981.130333770.54406804
10703415.5411.845098041.531478921.19033170.60205999
2083.5381651.301031.921686481.57978361.204119980.69897
50472361.698971.672097861.361727840.77815125
1005827721.763427991.431363760.84509804
Pendiente promedio.
Convertimos los centipoise en poise y las rpm en rad/s
Viscosidad aparente en poises(kg/m s)
rad/s0304050607
0.0523513501640164018001200
0.104717409109201000800
0.20943422.5515520550600
0.26179350428432460480
0.41887241.15295305325350
0.52359200246256270280
1.04719140136155160
2.094383.57680100
5.2359877637.64648
10.471975523.22728
Obtencin K (ndice de consistencia)
Despejando KSustituyendo datos:
K
0304050607
10.9063123.7816150.3718150.3718165.0422110.0281
6.2202118.9672146.2975147.9052160.7665128.6132
3.5477119.0912145.1644146.5738155.0300169.1236
2.9611118.1993144.5408145.8917155.3476162.1019
2.0235119.1746145.7870150.7289160.6127172.9676
1.6889118.4202145.6569151.5779159.8673165.7883
0.9633145.3337141.1813160.9052166.0957
0.5494151.9839138.3327145.6133182.0167
0.2615143.7858175.9082183.5564
0.1492155.4959180.9651187.6675
Obtencin del esfuerzo cortante con la frmula:
donde n = 0.19Sustituyendo datos:
Convirtiendo el esfuerzo cortante a dinas/cm2
rad/s0304050607
0.052350.5709706.724858.4726858.4726942.2259628.1504
0.104710.6513774.8333952.8356963.30651047.0722837.6577
0.209430.7430884.84761078.57141089.04331151.87291256.5883
0.261790.7751916.16271120.33571130.80651204.09921256.4518
0.418870.84761010.12391235.69061277.57811361.35321466.0733
0.523590.88431047.18981288.04391340.40331413.70651466.0659
1.047191.00881466.12631424.23691623.21161675.5734
2.09431.15081749.03071591.93271675.71782094.6481
5.235987761.36961969.29032409.23872513.9884
10.47197551.56242429.46792827.39872932.1170
Sustancia medidaCrema de manTemperatura24 C
Velocidad de deformacin (rpm)Lecturas (Agujas)
01020304050607
0.5-----20.53
1-----355.5
2-----626.5
2.5-----71.58
4-----8112.5
5-----9315
10------29
20------54.5
50------71.5
100------81
% TorqueViscosidad aparente (Centipoise)
rpm06070607
0.520.53410000240000
1355.5350000220000
2626.5310000130000
2.571.58286000128000
48112.5202500125000
59315186000120000
1029116000
2054.5109000
5071.557200
1008132400
% Torquelog % Torque
rpm67log (rpm)67
0.520.53-0.301031.311753860.47712125
1355.501.544068040.74036269
2626.50.301031.792391690.81291336
2.571.580.397940011.854306040.90308999
48112.50.602059991.908485021.09691001
593150.698971.968482951.17609126
102911.462398
2054.51.301031.7363965
5071.51.698971.85430604
1008121.90848502
Pendiente promedio.
Convertimos los centipoise en poise y las rpm en rad/s
Viscosidad aparente (poise)
rad/s0607
0.0523541002400
0.1047135002200
0.2094331001300
0.2617928601280
0.4188720251250
0.5235918601200
1.047191160
2.09431090
5.23598776572
10.4719755324
Obtencin K (ndice de consistencia)
Despejando KSustituyendo datos:
K
0607
2.647021651548.91064906.679399
2.105735931662.126741044.76538
1.675163361850.56579776.043717
1.556236131837.76739822.497293
1.332643071519.53666937.985593
1.238034811502.38102969.278076
0.984898761177.78603
0.783532771391.13518
0.57906918987.792174
0.4606706703.322507
Obtencin del esfuerzo cortante con la frmula:
donde n = 0.67Sustituyendo datos:
Convirtiendo el esfuerzo cortante a dinas/cm2
rad/s0607
0.052350.138571582146.351256.4
0.104710.220491613664.852303.62
0.209430.350829466492.332722.59
0.261790.407407067487.1943350.912
0.418870.55820428482.11755235.875
0.523590.648222659738.7746283.08
1.047191.0313761312147.404
2.09431.6409526822827.87
5.235987763.0319992629949.8514
10.47197554.8241332933929.2152
Sustancia medidaRefrescoTemperatura26 C
Velocidad de deformacin (rpm)Lecturas (Agujas)
01020304050607
0.5-------
1-------
2-------
2.5-------
4-------
50.25------
100.5------
201.5------
505.5------
10016.5------
Sustancia medidaMiel de maple
Temperatura26 C
Velocidad de deformacin (rpm)Lecturas (Agujas)
01020304050607
0.5---0.5---
1---10.5--
2---21--
2.5---2.51.25--
4---42--
5--52.5--
10--105--
20--20.510--
50--52.525.25--
100--8851.5--