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Parshall flume sizes are designated by the throat width, W, and dimensions are available for flumes from the 1-in size for free flow of 0.03 ft 3 /s at 0.2 ft of measuring head up to the 50-ft size with 3,000 ft 3 /s at a head of 5.7 ft. %%EOF 1518 0 obj <>stream endstream endobj startxref Formulas (H in feet): CFS = 2.06 H ft. 1.58 GPM = 924.5 H ft. 1.58 MGD = 1331 H ft. Formulas (H in meters): L/S = 381.2 H m %%EOF CFS . hޤ��N�0@�)~���K�$�P��@�BE��J�Ӛ6"��1~~w�N�M�R��g�{�&h�)f��1���� �adGQ� Online … �� CFS : GPM . endstream endobj 2271 0 obj <>stream 0.19903 . GPM : Head (feet) MGD : CFS . The inside of the flume shall be smooth and free of any irregularities. endstream endobj 2268 0 obj <>/Metadata 29 0 R/OCProperties<>/OCGs[2282 0 R]>>/PageLabels 2263 0 R/PageLayout/OneColumn/Pages 2265 0 R/PieceInfo<>>>/StructTreeRoot 33 0 R/Type/Catalog>> endobj 2269 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 2270 0 obj <>stream CFS : GPM . H���;o9���%�G��$Á�0p�f�ew8��̙esw�*�$@�T$�{�����_�ɓ ��l����}��퓹��c޿����g��������a�-6����˓B��. 0.06 : 0.46 . endstream endobj startxref hޤ�YO�0��S��G�J(RZ m�"�e���5mD��1������+Ɍg�{�8�QS�u1�`7��1�13#8<1s]n$������1� �KQȃs)R%U��:$��$W�3�K >C%���EyW�h��͑B�Ei�����@�G,����/����␤��ĉ�~��}�1;�e!K QZ�y�kJ.�Á��¬���\���j��D^C��f$�7j:���f-�O�,�BKR�{�ظ�C,�ad(��2[�4f�Rr"S�3�$�X��qIR�z0���=�qρ]��m�3kMD������5�����*Dyhmf���������ĚR�����e� 0.30849 : 138.452 . h�bbd``b`�"��$ ��H�-,y@����� n9�$V|q3��6��ȱ�b``$�����w� /� # Solving for flow rate. ��X�] endstream endobj 1497 0 obj <>stream h�b```b``�e`a`��c`@ �r,`8�˲����l� � � $����@�0f�1�c�e���������$�_�*e��}A 0 ;Z����tE� é����" U��c��jl��q�2���Z=B*� �q}jI�:��pR�C��S�S����,J,��A��`LZ{I�`Q$ �Ğ�.

GPM : 0.16 . CFS . 2113 0 obj <>stream Used in monitoring sewage, plant effluent, storm water and irrigation water the Parshall flume is still the best known and most widely used for permanent installations. �ۮ�&���"��q��%�$ղ����ʌ�IVek( ��Y�]��0��F��r^-�rIn�2.�l�'���p%v�� s�����07��j��Mk�L�Ыz�=�?k�Xo�����ߚ�����nGrg'�/)����x8a�Z���sL�ls��O��c-�ß� �������Dޡ��A�/>.x8��$n'辰��`������u�-�-�w�)tSl�O�E���f�����4�LF�8#��7&��po{L��c���� ����.^�ݯ�}��|�n�?�ڠ��t6���I�` � ](�|0?9W���|�TB���@**��OMl� b�0��������D��l�=9t�� ��14�O͆�K?��@I���+�<>h'�V��q|��K,nWOq��$t���l���vu/��>��]U�O��yr�eL�z%�3�6j��/qN���OZ����1i)�@D��3���a2�������ϦFg����OG��I�Ej��yUɿ}�1����9Hnq�]��)Jh��XM.��ӛ��OכN/gb�e�G{��t9@���hM��pRy�ד���Q��`({L��� The flume shall have a throat width and depth as specified on the plans. h�bbd``b`�"��$ ��H�=, @�u=�� q��X� �D ����$�$�9��,F���?�� {� # h�b```b``�``a`ng`@ �r,8�����l�� h�b```b``�e`a`��� �� @ �X���7�}�?��%7�7T�7@� 30N˜�"�t��>� ��LO��,Kb����R��):���������e`H���'����QŨ` �| GPM : Head (feet) MGD . hޤ��N�0��(s Ň�%)-��P���´��ȡr�X^~wm�- �Xj���dƞ� c!��Ѐ�Y��Y�7�@�J!PJ\cE@]�i+"@}72z�s^��S��B�u����ӧ�������}FRpU˳�~����4C��q�� :B)��=Z�Dt�������}�=�*'�걖�q�':�q!JQ)e�����]��h�17k"zG.o����x��|'c�8K��l䀰v-��I���^�z�{�f�c� �#�:�b��B�h��>N�h�qqZWj8��\��C`����X5�e^�.y�o5���*Z��l�e�;u�f��d�/�YR- ^��C��CA� p���c7O�ŧ'�N6�?�]��/?� m(�LE���yE�?

The free-flow discharge range and dimensions for Parshall flumes are given on figure 8 … h�bbd``b`Z $A�I@��7�`�$X���] �% �n��]$V|��^g`bdM��&����` � ` �4 133.922 : 0.07 . Parshall Flume Flow Rate: Flow Rate: where, Q = Flow Rate, B = Throat Section Width, h 1 = Upstream Depth. %PDF-1.5 %���� 2102 0 obj <>/Filter/FlateDecode/ID[<99DBB5D2706D176DBE21FE5610653EF3>]/Index[2088 26]/Info 2087 0 R/Length 77/Prev 102162/Root 2089 0 R/Size 2114/Type/XRef/W[1 2 1]>>stream Parshall Flume Equations Calculator Fluid Mechanics Hydraulics Design Formulas. ... Home: Popular Index 1 Index 2 Index 3 Index 4 Infant Chart Math Geometry Physics Force Fluid Mechanics Finance Loan Calculator Nursing Math. >f�r+ �|�.��?������ޟ�(AS�Q�n�Da4FG(E#��F}t�(�w�e�+���I�pkl�D��Z��1C��B��2em?Mc��&g��@6jf�"�����1��E��G��,Y����۽?���H�H�l�qs�f CFS . (��&7X|f�5� ��G���^����v�}�#y����=
endstream endobj 2089 0 obj <>/Metadata 27 0 R/OCProperties<>/OCGs[2103 0 R]>>/PageLabels 2084 0 R/PageLayout/OneColumn/Pages 2086 0 R/PieceInfo<>>>/StructTreeRoot 31 0 R/Type/Catalog>> endobj 2090 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>/XObject<>>>/Rotate 0/StructParents 0/Tabs/S/Type/Page>> endobj 2091 0 obj <>stream }�o��_�۷�S6:oG�?�lr=,ݘ\� 10.609 : 16.415 . H��WMo7��W�:�"��@ �c7�:���T[�]�Q�(H��;�.���Q��2`�����y���w���r~�eo�L�m������M��W�ir~���͔�́�Nǔ��Üq� u�����_l��b��ذI�~��?? 1507 0 obj <>/Filter/FlateDecode/ID[<88278FA7875C4066D924A8F293B35589><3B1CC9100E234F4D85E3FBC958A568F6>]/Index[1493 26]/Info 1492 0 R/Length 75/Prev 84440/Root 1494 0 R/Size 1519/Type/XRef/W[1 2 1]>>stream H��W]O9}ϯ�c����-U�J(lWBˊy�>d!V�ti���������2̹���8g&��ۇ��͖�{���ݮn�׷�j�m��ϋ��Ϳ�J`Ny�dpLKɭ��Y���Q�?����m���W��g����.V_���������%�w��K�8_ 0.47 . ASTM D 1941-91 (2007): Standard Test Method for Open Channel Flow Measurement of Water with Parshall Flume 60% Submergence Transition ±3-5% Accuracy 6-Inch Parshall Flume Discharge Table.

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