.. _ 1%...fi? ...M u ? _ -. 1.1. y 1 ?. (Emu. .. 1 . ‘1 -Jhw? 1 1 :rthPR... .. ..%th Ln, m H.“ . y .1 H ? - ... ,S» A. . .e.C n... .. ,.. .. ,, . , . .. O. .D . e. «.13.. ...%.. . , p . .HP .. .E ,. m... E smurf... in... - . .. ... C . FT. .. .. -. ..H R.- -w .A ? OF . THE RED \ ge‘R; Gr :1' .1938. . ICHIQAN 5 Gem "Thesis ’ fg'r lhéj De M s n . .5. W .0 ..P. ?... R? ..E T. A W . 4.3.... . all: 3 . ...fiximr..r!>‘)ml-\nwn.f.x ; .9. i. ... 1%.»: 1..., . |fllLlL'!!1!J!!L\| . awn“ W‘ 19555.40?“ MW 5095 HIV, 3.! w'yigmjm ma =20. m w WATLR POWER POSSIBILITIES OF THE RED CEDAR RIVER A Thesis Submitted to The Faculty of the MICHIGAN STATE COLLEGE OF AGRICULTURE AND APPLIED SCIENCE BY George R. Grantham W Candidate for the Degree of Bachelor of Science June 1938 *H E519 Q‘Jc \ ;] , PREFACE The increasing demand for power in all industries, its continually growing uses in the home, and with the increasing fuel cost, have made the public look into water power develOpment. As a consequence large projects of power develOpement are being planned. It is evident that all water power commercially available should be utilised and with this in mind I would like to find out what possibilities our own Red Cedar River has as a power source. Only preliminary investigations will be studied in this thesis to find out if power from the river is economical. It is fitting that acknowledgement be given those persons who gave valuable assistance and information: to John M. Patriarche, a classmate, who assisted in the surveying work; to Professor C.M. Cade who gave valuable suggestions; to the personnel of the Lansing office of the U.S. Geological Survey, water Supply Bureau, who gave me available floe data; and to Mr. H.K. Barrows whose book "Water Power Engineering” served as a form by which this study was made. WATER POWER POSSIBILITIES OF THE RED CEDAR RIVER AT EAST LANSING, MICHIGAN. A. Power Available The prime essentials of hydro-power are (l) a suitable quantity of water (2) falling through a distance. The energy develOped by falling water is used in generating power. Therefore, to compute the power available we must investigate the flow of water and the available head. 1. Flow of Water The flow of water for the Red Cedar River at East Lansing, Michigan is shown in Table 1. This data was gathered by the U.S. Geological Survey, Bureau of Water Supply, and the U.S. Weather Bureau in conjunction with Michigan State College. Only approximately eight years of daily flow records are available, while crest flows are available for twenty five years. During the eight years of daily records, however, we have records for 1934 which was a very dry year, having only 21.00 inches of precipitation that year. That deficiency in precipitation is exceeded only by two years in 63 years of records. We also have records for years in which the precipitation was running close to normal. It is assumed, taking into account of the facts stated above, that the flow data listed in Table l are average flows and are to be used to give satisfactory results. Twenty five years of records show that the maximum flow was 5200 c.f.s. on March 15, 1918. The minimum flow was 5 cfs gay .I- h: II II-.. new NS , \mm .1 Mmm- _ «III I I- . - 4 3. .- A II I I .9 9 - I I VII-I.- IIIITI x. 3n. $33 II- III: .h ...I M. h-w V fit I I--- .1 - I .I I QNFV Q\ QRV mp: \CQ r -...+-I I-I MQ\ WNW. Nh< k n haw [III] I III I..-I I I -.I . _ mm. me- ~ + I. . - - - .4 .. .1 be _ Mb.\ H ...II -.I Ilr. I...I I-. II--- I. - - i I I II--- I - _ macs- “v.3... II- ITI. i m haw w it _ *II. ,- I W s m -I m w... I- T -.--+ a \Nv\ ”Q “N _ II I - i QN\I Mn\ . - III .-II II I I+ __ num- \L«.. i 4 «5 VV\ I -_. __ -—-—Ir The. .1 was m? {PE-C x:,\. K. in who... 4h 33,- n a c mun-n [II «x t CAN-Mn.- i Q..\\ %\ {x 2 0?. to axe m. CK J mv\\\N I I.-.-II.. . - I- :I .II a . I IaI III I I- I N\ A NVQ g. 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Pb w. um occuring Euly 31, 1931 and the minimum.average monthly flow was 5.59 cfs in July, 1934. Daily river flow records furnished data used in the con- struction of the flow-duration curve shown as figure 1. The average flow for each day was plotted in order of intensity and the curve was drawn through these pbints. From this flow duration curve we can determine the amount of primary and secondary power available for a given head. 2. Available Head It is practical to remove the existing dam (behind the Shops Building on the Campus), to obtain additional head for this power project. The only function of that dam is to stablize the river elevation, and the power dam put in a few hundred feet upstream would serve the same purpose. It is also practical to improve the channel of the river to a point 1600 feet below Farm Lane bridge to provide adequate flow to carry away the tail water. Plans for this channel improvement can be found inside the back cover. From this study we establish the elevation at the dam at 821.1. Using the Manning formula with n3-0.025, s= 0.00017 (from plans) and a reasonable(up to 400 cfs) flow, we get a depth of 2.80 feet in the channel. For the average flow of 176 cfs, the depth of water is less than two feet. The depth of water is assumed as 2.70 feet in computations for head available. From the U.S. Geological Survey quadrangle map of Mason quadrangle, the elevation of the headwater was set at 840.00 mean sea datum. It was found that at this level a fair sized pond would be formed without an extreme length of dam. With Au. ,v ..1 ..a ..v a...“ Ho 05‘ 21'; Il‘ 1“ the tail elevation established at 823, 8 we find that 16.2 feet of head is available. From this, a reasonable loss of head due to friction through the plant must be deducted. A loss of 1.2 Feet was decided upon from a table on page 166 of "Water Power Engineering" by H.K. Barrows. This leaves an available head of 15.00 feet. 3. Pondage for Equalizing Flow The possibility of storage to increase flow for the dry months was investigated and was found that to equalize the flow for a whole year a total of 27,900 acre-feet would be needed. This makes any kind of storage out of the question and the matter was immediately dropped and pondage was con- sidered. The results obtained in Table 2 for pondage were gotten with the method outlined on page 155 of ”Water Power Engineering" by H.K. Barrows. By using pondage during the periods of low flow, the flow can be increased . It was decided that for July and August, a ten hour use would be made, for October, November, and December, a fourteen hour use would be made, for January, June, and September, an eighteen hour use, and in February, March, April, and May, the plant could operate 24 hours. This arrangement increases hte flow for periods of use over the continuous flow to quite a marked degree. By computing the volumes stored during the periods of rest, it was found that the elevation difference due to pondage would be less than 0.7 feet. In fact, it was found I .. Ta"; at t{ «was. y a»... a c s3 s3 is :th Eat 1.9.x. tea if. t» 356 tea-w. ...Q ...C3 to}. rQ-sflmI-III.‘ nice: \mbbtrma \bxoy Otx \xo\.\ Etch $3.3 .%.-(0. emcbtofi. Sex... ix was. ‘0 BIO-W WW QQEQAN I. .1 ob. that if no water flowed into the reservoir in August and 103.2 cfs ( for ten hour day) were taken out each day, the total volume used would be 2666 acre-feet in one month, which would cause a difference of approximately two feet in elevation. 4. Power (see Table 3). The flow- duration curve (figure 1) is used in com- puting the available primary and secondary power. Primary horsepower is the horsepower available at the plant at all times. The effect of pondage on the flow is considered as primary power. The amount of primary power at 80% efficiency is figured at 140 horsepower at times of use. Secondary power is power generated over and above tne primary power. The average flow was figured by the use of the planimeter and primary flow subtracted. This figure is 127 cfs which generates 173 horsepower. The total average yearly power is the sum of these primary and secondary horsepowers or 313 horsepower. Energy in kilowatt-hours generated at 93% efficiency is figured from the power develOped multiplied by the time. The monthly kilowatt-hnur capacity is shown in Table 3.~ Primary energy is figured from power deveIOped multiplied by the time and divided by the pondage factor. This results in a total primary energy)manufactured yearly and is equal to 86,400 kilowatt-hours. Secondary energy is the energy manufactured besides the primary power and therefore is the total energy developed minus the primary energy. This total energy available is not near enough to supply the demand of the College. 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