Table A-1. Data an<J notes for experiments with the O.i.S-miJlimeter sand fr = 52.391. 



Expt. No. 



N 



(cm) 



T,T^ 

 Cs) 



'^i 

 (cm) 



X 

 (cm) 



n 

 (cm) 



(cm/s) 



♦ .♦c 



Duration 

 (hrrmin) 























iJ 



100 



45.8 



8.30(c) 



10.7 



72.5 



15.50 



34.6(c) 



13.22(c) 



6:19 



2l 



100 



45.8 



8.08CC) 



7.35 



58.3 



12.33 



35.6(c) 



13.95(c) 



3:10 



3 



100 



45.8 



7.01 





55.0 



11.50 



41.0 



18.54 



1:53 



4 



100 



45.8 



10.00 





55.0 



11'. 42 



28.8 



9.11 



2:11 



5 



100 



45.8 



12.08 





55.0 



10.03 



23.8 



6.24 



1:31 



6 



100 



45.8 ' 



15.26 





• 55.0 



10.64 



18.8 



3.91 



1:50 



7I 



80 



36.6 



6.53(c) 



8.0 



55.6 



10.14 



35.2(c) 



13.68(c) 



1:00 



8 



80 



36.6 



5.30 





42.7 



8.90 



43.4 



20.76 



3:37 



9 



80 



36.6 



4.23 





40.0 



7.54 



54.4 



32.59 



2:13 



10 



80 



36.6 



6.51 





56.0 



9.83 



35.3 



13.75 



5:53 



11 



50 



22.9 



4.16 





27.8 



5.38 



34.6 



13.16 



2:07 



12 



80 



36.6 



6.51 





54.0 



10.14 



35.3 



13.75 



5:58 



I3I 



60 



27.5 



4.90(c) 



7.5 



33.6 



7.17 



35.2(c) 



13.66(c) 



3:33 



14 



60 



27.5 



4.00 





33.3 



6.64 



43.1 



20.50 



1:56 



15 



60 



27.5 



3.20 





32.0 



5.61 



53.9 



32.04 



1:30 



16 



60 



27.5 



4.90 





32.0 



6.67 



35.2 



13.66 



1:16 



17 



60 



27.5 



6.24 





32.6 



6.56 



27.7 



8.42 



1:47 



18 



60 



27.5 



7.99 





32.1 



6.50 



21.6 



5.14 



2:42 



19 



80 



36.6 



8.00 





50.0 



10.58 



28.8 



9.11 



13.49 



20 



50' 



22.9 



5.00 





31.8 



5.33 



28.8 



9.11 



7:19 



21 



50 



22.9 



3.07 





27.7 



4.86 



46.8 



24.17 



1:00 



22 



50 



22.9 



5.00 





29.1 



5.71 



28.8 



9.11 



2:07 



23I 



40 



18.3 



3.45CC) 



10.0 



24.8 



4.37 



33.3(c) 



12.25(c) 



3:47 



24 



40 



18.3 



4.25 





25.2 



4.70 



27.1 



8.07 



2:30 



25 



40 



18.3 



2.50 





24.4 



3.78 



46.0 



23.32 



1:27 



26 



30 



13.7 



2.51 





23.1 



3.30 



34.4 



13.01 



1:47 



27 



30 



13.7 



3.23 





23.1 



3.40 



26.7 



7.86 



1:02 



28 



33 



15.1 



3.06 





22.9 



3.52 



31.0 



10.60 



1:36 



29I 



30 



13.7 



2.69(c) 



7.5 



25.2 



3.63 



32.1(c) 



11.33(c) 



4:39 



Brass crests mounted in spools 15 cm from screens 1 



30 



30 



13.7 



2.70 





21.6 



3.27 



32.0 



11.25 



4:59 



Sand in one spool redistributed manually 1 



31 1 30 1 13.7 2.69 





20.7 



3.22 



32.1 



11.33 



1:15 1 



Brass crests in spools shifted to 22 cm from screens 



32 30 13.7 2.70 20.0 3.23 



32.0 



11.25 



1:04 



'Experiments with bed initially leveled. 



88 



