FRITZ ENGINEERING LABORATORY HYDRAULICS DIVISION ...

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FRITZ ENGINEERING LABORATORY

HYDRAULICS DIVISION

Memorandum No. M-23

FACILITIES FOR INSTRUCTION AND RESEARCH

In

FLUID MECHANICS and HYDRAULICS

Prepared by

John B. Herb ich'..

' ..

March 1961

Bethlehem, Pennsylvania

F.L. Report No. 237.l6-M-23

CON TEN T S

Page

.. 10 Introduction • · 0 0 1

., .2. General Laboratory Details · • • 0 0 2

'""

3. Research Facilities 0 0 3(1) Channels and Flumes 0 · 0 · • 3

( i) Wave Channel · · 3( ii) Glass-Walled Flume 0 0 3(iii) Titting Flume . · • 0 • 3

(2) Tanks ,. 0 • • c ·, 0'. o• ·, · ' · 3( i) Multipurpose Tank 0 3( ii) Spillway Tank 0 0 4

( 3) Sediment Pipe Circuit • 0 4(4) Wind Tunnel • 4(S) High Pressure Pump Unit 0 4(6 ) Oil Reci~culating U~ito · 4

',. 4. Instructional Facilities · ~ S( 1) Viscosity Measuring Equipment S

,t (2) Flow-Measuring Equipment • • • S( 3)

','

SManometry Stand .(4) Pipe Friction Units . · • S(S) Smoke Tunnel · • S(6 ) Hele-Shaw Unit. . • • • 5( 7) Magnus Effect Unit · • • o· S(8 ) Turbine Test Stand • • • • 5(9 ) Force of Jet Apparatus • · • 6

( 10) Cavitation Unit • 6

5. Undergraduate and Graduate Courses • • 6

6. Reports and Publications • 0 6

7.; Acknowledgment · 6'"..

'r Appendix

"'fA. Instruction - Course SummariesB. Staff PublicationsC. Staff Reports

J

L. INTRODUCTION

Instruction and research in hydraulics at Lehigh

University dates from 1887, when the first ·American college

hydraulics laboratory was erected on the Lehigh campus. It

was here that Professor Mansfield Merriman conducted his

important pioneer research work.

The Fritz Engineering Laboratory was built in 1909,

and was extensively modernized and expanded in recent years.

Since 1955, it has served as the headquarters of the Depart

ment of Civil Engineering, housing the staffs and laborator

ies of the various divisions of the Department - inq1uding

the Hydraulics Division.

The Hydraulics Division provides a comprehensive range

of courses of instruction in Fluid Mechanics, Hydraulics, and

related topios, at undergraduate and graduate levels. With

the present student and staff members, considerable energy can

be devoted to research and project investigations for private

industry. and Governmental bodies. These activities provide

-r..,..,

the stimulation of industrial practice, essential to staff and

students, and assist in the dissemination of recent theoretical

developments in fluid mechanics and hydraulics to industry.

The Division is able to draw, where necessary, on the

scientific and technical resources of other Divisions of the

Department, in particular those specializing in Soil Mechanics

and Sanitary Engineering, as well as the Instrumentation Spe-

cialists, Mach::Inists and Mechanics of the Department! s Laboratory

....

2

Operations Group. In addition, the cooperation of members,

and the use of facilities of other Departments of the Uni

versity are readily available.

The following pages provide details of the facili

ties and work of the Hydraulics Division.

2 • GENERA L LAB ORATORY DETA ILS

The Hydraulics Laboratory occupies an area of more

than 6000 square feet, conveniently placed on three levels.

Some 4000 square feet of this space are used for research

and investigational work. The floor plan is shown in Fig.

1 and 2.

The recirculating water supply system has a capacity

of 8 cubic feet per second at 60 feet head, and 4 cubic feet

per second at 130 feet head, the power being supplied by two

centrifugal pumps = one 8-inch and one 6~inch. Pressure can

beccontr"alled by means of either a 300 cubic feet elevated

constant-head tank, or a 300 cubic feet constant pressure tank.

Calibration and flow measurement facilities include

twin-volumetric tanks, each of 400 cubic feet capacity, to

gether with a wide variety of calibrated Venturi meters,

weirs, flow nozzles, and a 4-inch magnetic flow meter.

The main pipe systems are 10 inches and 8 inches "In

diameter, and, by means of valves and provisions for connect

ions, great flexibili~y is available for the ready installation

of equipment for research and test work.

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3

Electric power is available at 210-volt, 600 amp AC,

3-phase, through bus ducts, and at 240=volt DC up to 60 HP.

3. RESEARCH FACILITIES

(1) Channels and Flumes

(i) Wave Channel (Fig~·3)·. The main wave channel is3 feet wide, 2 feet deep, and 67 feet long, excludingthe end sections. It is of steel and aluminum frame

. construction,- and is glass-walled over its full length.I

The wave generator is of the pendulum type, withprovision for variation of wave amplitude and frequency.The upstream wave absorber consists of inclined layersof perforated aluminum plate, while the downstream absorber has perforated plates on a IS° impermeable sloping beach.

Two carriages span the channel, running on railssupported independe'nt of the channe 1. Each carriagecarries capacitive-type wave probes, and a two~channel

Sanborn recorder, as well as Brush recorders, are availab Ie for recording purposes.

(ii) Glass-Walled Flume (Fig;4). This flume has a.horizontal test section which is 24 feet long, 18 incheswide, and 30 inches deep. The bed, which is above floorlevel, is of glass and aluminum sections, any of whichcan be removed or adjusted in height. The entrancesluice gate can,maintain a 6 feet head, and the flowrate can be var~ed up to 4 cubic feet per second. F~ow

measurement is effected with a calibrated Venturi me~r./

/.'

(iii) Tilting Flume. The adjustable tilting flumeis 40 feet long, 12 inches wide, and 18 inches deep.Its slope can be varied to a maximum of 1 in 20, andflow rates up to,4 cubic feet per second are possible.The'depth of flow is regulated by a pressure-typesluice gate; and the flow is measured with a calibratedVenturi meter.

(2) Tanks

(i) Multipurpose Tank (Fig.s). This tank has a testsection 35 fee~long, 10 feet wide, and 2 feet deep, excluding entrance and discharge section. The water level

J

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4

is regulated by means of a screw-driven tail=gate~ andthe flow is measured by means of a calibrated Venturimeter.

Flow rates up to 6 cubic feet per second areavailable. This tank canbe used for three-dimensionalflow studies, sediment transportation research, or forwave investigations.

(ii) Spillway Tank. The model spillway test tank

has a test section 35 feet long, 10 feet wide, and 2feet deep. The entrance box is 4 feet long. 4 feetdeep, and 10 feet wide, and being separate from themain mUlti=purpose tank, can be removed up to 10 feetfrom it, and rotated in a horizontal plane up to 90°.

Head differentials up to 10 feet are obtainable,and flow measurement is effected either by Venturimeters or volumetric tanks. The normal capacity of 4cubic feet per second can be increased, if necessary,to 6 cubic feet per second.

(3) Sediment Pipe Circuit (Fig.6 & 7). The test-circuitfor ~ests on the pumping of sediment-water mixtures consists of a 280 cubic feet tank and a 6-inch pipe line,with a centrifugal dredge pump powered by a calibrated40 HP direct current motor. The pump ~peed canbe variedbetween 1100 and 2400 revolutions per minute, and theflow rate, which is measured by a magnetic flow meter,can be varied up to 1200 gallons per minute. Flows withsediment concentrations up to 25 per cent by volume~ havebeen tested in this installation with pumps upto 10-1/2inch impeller diameter in size.

(4) Wind Tunnel. Thewinc;l tunnel unit has a 12-inc:hdiameter closed test sept::t.Ori, ~nd maintains air s~peeds ..Upi."to 75 feet per second tbwithin 0.3 feet per second."

(5) High Pressure Pump Unit. This pump, driven by a50 HP A.C. motor, develops pressures up to 5000 Ib persq in. for high pressure test purposes.

(6) Oil Recirculating Unit (Fig.8). Oil flows from 50 to2000 gallons per minute can be established in this unit,which has six 100-gallon storage tanks which can be usedindividually or in combination. Flow measurement facilities include two orifice meters and a Venturi meter.

S

The following installations and equipment, althoughdesigned primarily for instructional purposes, are in manycases adaptable to research and investigational studies.

(1) Viscosity Measuring Equipment. These items includeSaybolt (Figo9) and Ostwald-Fenske viscometers and temperature baths.

(2) Flow-Measuring Equipment (Fig.lO). A 4-inch pipe andchannel circuit contains a series of flow-measuring devicesincluding an orifice, an elbow, a Venturi meter, and a flownozzle, in the pipe section, and a weir and Parshall flumein the channel section o

(3) Manometry Stand (Fig.ll). This unit provides facilities for the demonstration of various types of manometers.

(4) Pipe Friction Units (Fig.12, 13 & 14). ~o pipe friction test units are available for instructional purposes oAn oil-recirculation type (Fig.12) is used primarily forlaminar flow studies, and a water-recirculation type (Fig.13 & 14) for turbulent flow studies.

(S) Smoke Tunnel. This unit has a test section measuring20 inches long, 11 inches high, and 1-1/2 inches deep,approximately, the air speed range being from 1-1/2 to 8feet per secondo

(6) Hele-Shaw Unit. This free surface Hele-Shaw table hasa working area 4 feet by 2 feet~ for the demonstration oftwo-dimensional flow patterns past various boundary forms.

(7) Magnus Effect Unit. Demonstrations of the Magnus effect can be given with this unit, in which fluid flowspast a rotating cylinder.

(8) Turbine Test Stand. The test-loop for turbine testingconsists of a constant pressure tank, a pump, water dYnamometer, and Venturi meter for flow meas~rement (Fig.lS).

A smaller test-loop for an impulse-turbine consistsof a pump, a Prony brake, and an orifice meter for flowmeasurement (Fig.16).

.~

~ .'"

6

(9) Force of Jet Apparatus (Fig.l?). The unit providesmean's for verifying the impulse-momentum equation, aswell as determining the coe·fficients of velocity.

(10) Cavitation Unit (Fig.18). Demonstration of cavita~

tion in a plexiglas test section can be given.

5. UNDERGRADUATE AND GRADUATE COURSES,

The outlines of the undergraduate and graduate courses

offered by the Hydraulics Division are given in Appendix A.

60 REPORTS AND STAFF PUBLICATIONS

Staff pUblications and reports of the Division are

listed in Appendices Band C, respectively. Project rem_. -:'.. .~, •. ,i

ports are availab le on loan, sub ject to the approval of the·

organizations which sponsored the investigations.

?~. AqKI10WLEDGMENT

"The report was wrttteIl.;by, .:rqhn B. Herbich, Aspociate

gr()f~lil~or .and Chairman of:,th~ Hyfiraulics Division. Mr. R.

Kozo prepared the drawings, and Miss E.E. Young typed the

manuscript. The writer would like to acknowledge the assist

ance of HoR. Vallentine, Associate Professor, in preparation

of this report, and the enc.ouragement received from Professor

lA.J. Eney, Head of the Civil Engineering Department and Fritz

Engineering Laboratory. Professor LoS. Beedle is" the Director

of the Laboratory.

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LEHIGH UNIVERSITYDEPARTMENT OF CIVIL ENGINEERINGFRITZ ENGINEER ING LABORATORY

HYDRAULICS DIVISION

OIL RECIRCULATING SYSTEM

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HYDRAULICS DIVISION

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CIRCULAR BUCKET

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HYDRAULICS DIVISION

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..

-.

APPENDIX A

LEHIGH UNIVERSITYDepartment of Civil Engineering

Fritz Engineering Laboratory

HYDRAULICS DIVISION

COURSE OUTLINES

The numbers in brackets indicate the number oflectures or meetings per week.

For Undergraduates

C.E.121. MECHANICS OF FLUIDS (3)The behavior of real fluids and the more important

physical laws; potential flow, boundary layer, lift,drag, and waves, with practical applications to flowthrough pipes, open channels, turbines, and pumps.Dimensional analysis and similitude.

C.E.123. FLUID MECHANICS LABORATORY (1)Introduction to laboratory techniques, calibration,

principles, and fluid measurements. Closed conduit flowof water, oil, and air, open channel flow of water, windtunnel studies; hydraulic machinery testing.

C.E.123. APPLIED HYDROLOGY (2)The Hydrologic cycle. Flow measurement and inter

pretation' of stre~'m flow data •. Frequency and DurationStudies. Hydrog:r;,aphsof runoff. Stream flow Routing.Applications of Hydrologic techniques with statisticalanalysis.

C.E.125. HYDRAULIC ENGINEERING (2)Flow in pressure conduits in series, p,arallel and

network arrangements; uniform and non-uniform flow inopen channels; pumping; design of sanitary and stormsewage systems; consider~tion of engineering economyas applied to hydraulic projects.

'l.

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Appendix A = Course Outlines

For Advanced Undergraduates and Graduates

CoE 0 320 0 HYDRAULIC ENGINEERING STRUCTURES (3)Preparation and protection of foundations. Design

of earth, gravity, arch, and buttressed dams. Waveforces o Design of seawalls, bulkheads and breakwaters.

C•Eo 321 • WATERPOWER AND PUMPING (3)Theory of hydraulic turbines. Study of penstocks,

scroll cases, draft tubes, water hammer and cavitation.Theory and design of pumps. Performance and testing ofturbines and pumps.

C.E.322. ' HYDROMECHANICS (3)Fundamental principles of fluid motion, with emphasis

on hydraulic applications." Euler i s, BernoullP s, andLa~lace~s equations, gradually varied open channel flow,wave motion, water ha~mer, sediment transportation, andcavitation. .

For Graduates

0.:8.4200' HYDROLOGY AND OPEN CHANNEL FLOW (3)Components of the hydrologic cycle. Analysis and

prediction of basic quantities required for hydraulicengineering design and storage requirements. Non~,.

un~fortl1,flow in open channels" and,reservoirs, bac~atercurves;in natural and artificial channel~, hydraulicjump, surges and waves,standing waves in supercriticalflow o Transportation of sediment. SuperVised problems.

C.E o42l,HYDRAULIC IABORATORY· PRACTICE (2=5)Study of theory and method of hydraulic experi~ent=

at}on simultaneously with laqoratory work. 'I " 'i. • • ,

CoE.422. HYDRAULIC RESEARCH (2=5)Individual research problems with reports.

C.E.423. ADVANCED HYDRAULIC ENGINEERINGand HYDROMECHANICS (3)

Principles of irrotational flow. Laminar motion.Turbulence. Boundary layer. Air entrainment. Wavemotion. Flow through non=prism~tic channels. Rapidlyvaried unstea~y flow.

.'"

LEHIGH UNIVERS ITYDepartment of Civil Engineering


HYDRAULICS 'DIVISION

'STAFF PUBLICATIONS

,McPherson, MoB 0 DESIGN OF DAM OUTLEfr TRASH=RACKVERIFIED BY MODEL TESTS

Civil Engineering

McPherson, MoB 0 AN INEXPENSIVE DEMONSTRATIONFLUID POIARISCOPE

Civil Engineering

White, WoM. Discussion on Paper~ DETERMINATIONMcPherson, M.B., OF PRESSURE-CONTROLLED PROFILES

ASCE Proceedings; Separate No.491 1953

Macnaughtori,M.F. ' ACCIDENTAL AIR IN CONCRETEHerbich, J.B. Jour., ACI, Vo1.26, No.3

, Proc., Vol. 51, Title 51-13 1953

Taylor, DoC.EIBOW METER PERFORMANCEMc Phers on, M.B. Jour. AW1,fA, VoL ,46, No. 11

pp.lQ87-1095

McPherson, M.B. BUTTERFLY VALVE .FLOW CHARACTERISTICSStrausser, H.S. Proc. ASCE, Jour.of Hydr.Div~

Paper 1167, HY 1 '28'pages

1954

1957,

McPherson, M.B 0

Dittig~ R.G.

McPhers on, 'M.B •Karr, M.H.'

DISCUSSION OF SEVEN EXPLORATORYSTUDIES IN HYDRAULICS

Proc. ASCE, Jour. of, Hydr .Div'.Paper 1230

A STUDY OF BUCKET-TYPEENERGY DISSIPATER CHARACTERISTICS

.Prac. ASCE, Jour. of Hydr.Div.Paper 1266, HY 3 12 pagesCorrections~ Paper 1348, HY 4

pp. 57-64

1957

1957

.4

McPherson, M.B 0 OUTLET PORTAL PRESSURE DISTRIBUTIONMorel, A.R.R. Paper presented at ASCE COl1vention

, at Chicago Feb. 1958

StraUb, 'LoG.'Herb ich,J.B •Bowers, C.E~

AN EXPER lMENTAL STUDY OFHYDRAULIC BREAKWATERS

Coastal EngineeringChap. 43; pp. 715-728 1958

Straub, 'L. G.Bowers," C.R.Herb'ich, ..J .B·.

LAB ORATORY TESTS OFPERMEABLE WAVE ABSORBERS

Coastal EngineeringChapter '44 pp. 729=742 1958

Herb.ich, J.B.t...

.4

Discussion on:SHIPBOARD HYDRAULIC BREAKWATER

Proc. ASCE-, Jour. of Waterwaysand Harbors DivoPaper 1785

Herbich, J.B. Discussion on: WAVE FORCESON SUB~GED STRUCTURES

'Froc. 'ASCE, Jour. of Hydr .Div 0

Paper 2076

Herbich, J.B. Discussion on: TRANSLATIONS OFFOREIGN LITERATURE ON HYDRAULICS

Froc. ASCE, Jouroof HydroDiv.Paper 23'49

Herbich,J oB. THE EFFECT OF SPUR DIKESON FLOOD FLOWS THROUGHBRIDGE CONSTRICTIONS

-Paper presented at theASCE Boston Convention

'1958

1959

1960

1960

r. '.

...

LEHIGH UNlVERS TTYDepartment or Civil Engineering

FRITZ· ENGINEERING LABORATORY

HYDRAULICS DIVIS ION

PROJECT REPORTS

McPherson, M.B. STUDY OF>MISALIGNMENW IN AN OPEN CHANNELProject Repo)jt No~ .16 12 page·s 1950

McPherson, MoB .•

Eagleson,

MODEL STUDY OF HILLS CREEK DAM SPILLWAY. ·.project Report No o 17.· 43 pages 1,,0

P~S. CONTINUATION OF MODEL STUDY OFHILLS CREEK DAM SPILLl-lAY

Pr~ject Report No. 18 75 pages 1951

1952

1952

..McPherson, M.B 0

Stral.lsser, H,S.Liebi·g, J.O.

Williams, J.C •McPherson, MoB.

McPhers on, M.B.

MODEL. STUDY OF A CORRECTIVE DESIGNFOR THE LITTLE PINE CREEKOUTLET STRUCTURE .(Sponsored by·

Justin and Courtney, ConsultingEngineers, Philadelphia,. Pa.)Project Report No o 19 41 pag~s

TESTS OF A SIX-INCH BUTTERFLY VALVE. DISCHARGING ·UNSUBMERGED (Sponsored

by Fluids Controls CompanyPhiladelphia, Pennsylvania~Project Report No. 20 23 pages.

MODEL TESTS OF PROPOSED DESIGN OF .ANTIETAM (WAYNESBORO) DAM SHAFTSPILLWAY STRUCTURE (Sponsored· by ...

Gannett, Fleming, Corddry andCarpenter, Inc., Harrisburg,Pa.)

· Project Report No .. 21 76 pages 1952

M~Pherson, M.B.Strausser, H.S,

..,J0: •

TESTS OF AI: 32 MODEL OF A PROPOSED·OUTLET STRUCTURE .FOR FIRST FORK(SINNEMAHONING) DAM (Sponsored by

.. Gannett, Fleming, Corddry and .· Carpenter, Inc., Harrisburg, Pa.)· Project Report No.· 22 16. pages . 19.52

Williams, J.C. REPORT ON TESTS OF BUTTERFLY VALVES3trausser'~ H"S.· DISCHARGING INTO A MODEL DISCHARGE

. CHAMBER AND FLUME (Sponso;red byFluids Controls Company, Inc.,

.. Philadelphia, . Pennsylvania)project Repor~ No. 23 39 pages 1952

Hydr"Div" ~ FEL = Project Reports

·'

1953

':-'.

McPhers bn~ M"B"Strausser~ H"S"

McPherson, M"B"Strauss.er, H"S"

.. Mostert, J·"G"Colleville,PoJo

Colleville,PoJ"

ADDITIONAL STILLING BASIN TESTS WITH A1~32 MODEL FOR FIRST FORK (SINNEMAHON-ING) DAM (Sponsored by Gannett,Fleming~ Corddry and Ca:rpenter, Inc,,·Harrisburg, Pennsylvania)Project Report No o 24 46 pages 1952

BUTTERFLY VALVE RESEARCH(Sponsored by CDC Control Services,Hatboro, Pennsylva.nia)Project Report Noo 25 48 pages 19.53

6" BUTTERFLY VALVE HEAD LOSS TESTS(Sponsored byW.S. Rockwell Co.,Fairfield, Connecticut)·Project Report No o· 26 14 pages 19.53

MODEL TESTS FOR SHAWVILLE DAMProject Report Noo 1427(Gilbert Associates,(Reading,. Pennsylvania)

Reid, A"'W,, MODEL TESTS·FOR CONDENSING WATEROUTLET STRUCTURE ~, FRONT STREETSTATION, Erie~ Pennsylva.nia

. Project Report No. 1429 .(Gilbert Ass6ciates~

Reading, Pennsylvania)

1953

....

McPherson, M"B"Strausser, H.S.

McPherson, M.B.strausser, H.S~

Reid, A.W.

Dittig, R.G.Herbich, J.B 0

Herb ich, J.B 0

MOVABLE BED MODEL STUDY OF GREENSBORO,NORTH CAROLINA DAM (Sponsored by

William C" Olsen and Associa~es,

Raleigh, North Carolina) .Project Report N.oo 27 22 pages 1955

3 to 100 SCALE MODEL STUDY OF CHUTESPILLWAY PENN FOREST DAM (Sponsored

by Bethlehem Authority, Bethlehem,Pennsylvania) .. .Project Report No. 28 23 pages 195.5

MODEL TESTS = NEW DIVERSION DAM(Spons oredby Pennsylvania Elec. Co. )Project Report No" 29 10 pages 1956

TESTS OF A WIRE MESH FILTER(Sponsored by Purolator Products,Inco

Rahway, . New Jersey)Project Report Noo 30 18 pages 1958

CHARACTERISTICS OF A MODEL DREDGE PUMP(Sponsored by U"S" Army Corps of En=gineers, Philadelphis District):Project Report No o 31 110 pages· 1959

LEHIGH UNIVERSITY, Department ' o'fCivil ' Engineering.


HYDRAULICS DIVISION

SPECIAL REPORTS

1949

".

'~', ,

Delany, A.G ..

Coles, D.. ',Shintaku, To

Jacobsen, J. T.

Becker, H.L.

, Becker~ H.L.

THE FLUSH VALVE uNDER LOW PRESSUREUnpublished Thesis 45 pages 1940

THE EFFECT OF LATERAL CONTRACTIONS" ONSUPER-CRITICAL FLOW IN OPEN CHANNELS

M.S., Thesis 76 pages 1943

EXPERIMENTAL RELATION BETWEEN SUDDENWALL ANGLE CHANGES ,AND STANDING WAVESIN SUPERCRITICAL FLOW 27 pages 1943

HYDBAULIC LABORATORY MANUALan Undergraduate Thesis 43 pages 1948'

INVESTIGATION OF PRESSURE MAGNITUDESAT MISALIGNMENTS IN AN OPEN CHANNEL

12 pages 1949

DESIGN OF LONG...;RADTUS, HIGH-RATIOFLOW NOZZLE " 6 pages

Williams, J .. C. A STUDY OF MISALIGNMENT IN ACLOSED CONDUIT' 22 pages 1951

1951

Nece, R.E.

Brey, G.M.

THE CONSTRUCTION AND TESTING OF ASCALE MODEL OFA DAM SPILLWAY ANDSTILLING BASIN. (FALL RIVER DAM, KANSAS)

, ,', 44 pages 1951

EXPERIMENTAL DETERMINATIONOF CIRCULAR WEIR CHARACTERISTICS

17 pages

Williams, , J. C. STUDY OF MISALIGNMENT IN AN OPENCHANNEL AND A CLOSED CONDUIT

M.S. Thesis 61 pages 1952

MCPherson,M.B. THE DESIGN OF BENDSFOR HYDRAULIC STRUCTURES

C.E. Thesis '46 pages 1952

VanOmmeren, W. THE CHARACTERISTICS AND ACCURACYOF RECTANGULAR BENDS USED AS 'FL01'! METERS" 18 pages 1953

. t

Karr,M.H.

Murthy, D.S.N.

THE CALIBRATION AND ACCURACYOF EIB OW METERS.. Undergraduate Study Report

BUC,KET-TYPE ENERGY DISSIPATORSGra.duate Study Report 30 pages

POTENTIAL FLOW IN 90° BENDSBY ELECTR ICAL ANALOGY

Graduate Study.Report 23 pages

1953

1956

1956

Morel, A.R.B. EXIT PORTAL PRESSURE STUDY.SQUARE CONDUIT·

Graduate Study Report 13 pages 1951

16 pages

•.1

G1o~, J •W• ' .

Brach,P.Castro, V.A.Kab Ie,. J. C•

Reimer, P.

Carle, R.J.

Carle, R.J.Kable, J.C.

Kab Ie, . J • C0

Weiss,W.L •

INVEST1GATIONBY ELECTRICAL ANALOGYOF POTENTIAL ·FLOW IN A 90° EIB OWWITH A DIVIDING VANE

Undergraduate Study Report17 pages

HYDRAULIC MODEL INVESTIGATIONON CHIEF JOSEPH DAM SPILLWAY

Graduate Study Report 41 pages

DESIGN OF A CAVITATION UNITUndergraduate 'Study Report

. 22 pages

THE USE OF SPUR DIKESWITH BRIDGE ABUTMENTS

Graduate Study Report.'

THE EFFECT OF SPUR DIKESON FLOOD FLOWS THROUGHHIGHWAY BRIDGE ABUTMENTS


THE DETERMINATION'OF THE LENGTHOF SPUR DIKES FOR FLOOD FLOWS

. THROUGH HIGHWAY BRIDGE ABUTMENTSGraduate Study Report 61 pages

SUGGESTED DESIGN CHANGES FORA CENTRIFUGAL . PUMP..IMPELLERHANDLING DREDGED MUD


1951

1959

1959

1959

1959.

1959

, 1959; .

t..

...

•

, .

.t..

Brach, P.L.Herb ich,J .B.

Waddington,W.M.

Herb ich,J .B •

SCALE EFFECT ON 2700 PIPE BENDSFOR B INGHAM BODY FLUID

Graduate Study Report 50 pagesFritz Lab. Report No. 277':'M-10

ANALYSIS OF HIGH-SPEED MOVIESOF A MODEL PUMP. Graduate Study Report 36 pages

Fritz Lab. Report No. 277-M-11

1960

1960

"\- .

....

LEHIGH UNIVERS ITYDepartment of Civil Engineering

F'R ITZENGINEER ING LAB ORATORY

HYDRAULICS DIVISION

TRANSIATIONS

Armanet, L. T1JRB INE BUTTERFLY VALVES(VANNES - PAPILLON DES TURB INES )G~nissiat pp. 199-219La Houille BlancheTranslated by P.J.CollevilleFritz,Engineering LaboratoryTranslation No. T-l 1953

'.

Krisam, F. INFLUENCE OF VOLUTES ON CHARACTERISTICCURVES OF CENTRIFUGAL PUMPS(DER EINFLUS DER LEITVORRICHTUNGAUF DIEKENNLINEN VON KREISELPUMPEN)

Zeitscbrift des Vereines DeutscherIngenieure, Vol. 94, No. 11/12

pp.319-366 , Apr. 1952Translated by A. Ostapenko andJohn B •. Herbich. Fritz EngineeringLaboratory Translation No. T-5 1959

FRITZ ENGINEERING LABORATORY HYDRAULICS DIVISION ...

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