ENGINEERING TASKS

Engineering Problems, solved.

Engineering Problems, solved.

Engineering Problems, solved.

Practical engineering tasks for process equipment and plant design — from the real-world problem and engineering approach to the appropriate calculation chain.

Practical engineering tasks for process equipment and plant design — from the real-world problem and engineering approach to the appropriate calculation chain.

English

DISCIPLINE

ENGINEERING TASKS

·

Shell-and-tube heat exchanger

Design a shell-and-tube product cooler

Thermal, hydraulic and mechanical design of a product cooler from heat duty to the pressure-retaining equipment.

PROP, BIL, WTS, RDV, RBSA, E135, A2

View solution approach →

·

Surface condenser

Design a surface condenser for vacuum service

Condensation, cooling-water demand, pressure drop and stability verification of a condenser operating under vacuum.

PROP, DNK, WTS, SUEP, E135, A2

View solution approach →

·

Kettle reboiler

Design a kettle reboiler for a distillation column

Systematically determine evaporation duty, heating area, circulation hydraulics and pressure parts of a kettle reboiler.

SCUT, NAVE, VERD, TSIP, E135, A2

View solution approach →

·

Plate heat exchanger

Design a plate pasteurizer for beer or food

Design regeneration, pasteurisation, cooling and pressure drop of a multi-zone plate heat exchanger.

BIER, BIL, SOWU, MM, NPSH

View solution approach →

·

Stirred vessel

Design a heated and cooled batch reactor

Design heat-up and cooldown time, agitator duty, jacket and pressure vessel together for a batch reactor.

BIL, MA, MC, AP09, RING, S1, A2

View solution approach →

·

Thermal-oil system

Design a thermal-oil loop with heater

Determine oil flow, heater area, film temperature, piping, pump and protection for a thermal-oil system.

TOIL, BREN, FDP, NPSH, CAV, A2

View solution approach →

·

Storage tank

Design a heated storage tank with freeze and vacuum protection

Design fill volume, heat loss, insulation, tracing and pressure/vacuum behaviour of a storage tank.

TKL, TANK, EB, BEHE, TAVA, SUEP

View solution approach →

·

Horizontal separator

Design a horizontal gas-liquid separator

Determine disengagement area, liquid holdup, two-phase inlet, pressure vessel and saddles for a horizontal separator.

ZDP, HSA, B1, B3, S32, A2

View solution approach →

·

Vertical separator

Design a vertical knock-out drum

Design gas velocity, droplet separation, liquid holdup, skirt and wind loading of a vertical separator.

VSA, B1, RUER, ENZA, 1991, A2

View solution approach →

·

Pump and piping system

Design a pump and piping system between two vessels

Determine pipe diameter, system curve, operating point, NPSH, control valve and surge for a transfer duty.

FDP, NPSH, NKRE, CAV, STOS, ANSI

View solution approach →

·

Metering and control station

Design a flow-metering and control station

Coordinate pressure budget, orifice, control valve, piping and operating range of a metering and control station.

DROS, RO, CAV, FDP, ANSI

View solution approach →

·

Compressor package

Design a compressor with aftercooler and condensate separator

Calculate compression work, discharge temperature, aftercooler, condensate and separator as one integrated system.

LUFT, QVER, BIFL, WTS, VSA, A2

View solution approach →

·

Air-cooled heat exchanger

Design an air cooler with a finned-tube bundle

Determine finned area, tube rows, airflow, pressure drop and fan power for a process air cooler.

BIL, MB, DRRB, QVEN, CA

View solution approach →

·

Dehumidification system

Cool and dehumidify process air

Determine air states, condensate, cooling and reheating duty and fan demand for a dehumidification system.

PSYC, MIFL, MK, BIFL, SOWU, QVEN

View solution approach →

·

Waste-heat boiler

Design a waste-heat boiler downstream of a furnace

Determine flue-gas balance, steam duty, area, stack loss, acid dew point and draught for a waste-heat boiler.

VGAS, RGAS, WAK, ABGV, STAK, TSO3, A2

View solution approach →

·

Distillation column

Design a distillation column with reboiler and condenser

Design multicomponent separation, energy demand, reboiler, condenser and mechanical column as one system.

SCUT, VERD, DNK, B1, RUER, ENZA, 1991, A2

View solution approach →

·

Agitated vacuum dryer

Thermally and mechanically design an agitated vacuum dryer

Determine drying time, heat duty, vapour rate, vacuum resistance and cycle life of a heated agitated dryer.

BIL, TIME, MA, SUEP, B13, S1

View solution approach →

·

Process silo

Design a process silo for filling and discharge

Assess bulk-solid properties, filling/discharge loads, hopper pressure, wind and seismic actions on a process silo.

BULK, BIEG, 1991, 1998

View solution approach →

·

Fermentation tank

Design a cooled fermentation and storage tank

Design fermentation heat removal, cooling jackets, cooldown, CO₂ pressure, shell and support together.

BIER, BTK, ZIKT, B1, ENZA, A2

View solution approach →

·

Air receiver

Complete the design of an ASME air receiver

Design shell, heads, nozzles, flanges, MDMT, test pressure, saddles and relief valve to ASME VIII-1.

UG27, UG32, UG37, AFL, MDMT, U99N, ASAD, A2

View solution approach →

·

Flanged joint

Design a high-temperature flanged joint to EN 1591-1

Verify tightness, bolt loads, flange rotation and assembly condition of a hot flanged joint to EN 1591-1.

1092, 1514, DICH, 159H, 159S, ZIEH

View solution approach →

·

Existing flanged joint

Systematically upgrade a leaking flanged joint

Assess recurring flange leakage and systematically improve gasket, bolts, flange configuration and assembly.

DICH, 159H, 159S, B7, ZIEH

View solution approach →

·

Vessel nozzle

Assess a nozzle-to-shell junction with FELV and FEA

Verify local stresses at a complex nozzle-to-shell junction using analytical screening and a FELV finite-element model.

NOIS, E165, FELV, FEM, S2

View solution approach →

·

Cyclic pressure vessel

Perform an AD 2000 fatigue assessment of a pressure vessel

Classify pressure, temperature and operating cycles and verify allowable cycle counts for critical vessel details.

S1, S2, NMX, FELV, B1

View solution approach →

·

ASME vessel detail

Perform an ASME VIII-2 fatigue assessment using FEA stresses

Classify FEA stresses, assess elastic fatigue and determine allowable load cycles to ASME VIII-2.

FELV, FEM, FANY, AN3F, A416

View solution approach →

·

Nozzle on cylindrical shell

Verify vessel nozzles subject to piping loads

Transform and combine piping forces and moments and verify their local shell effects at a vessel nozzle.

STUT, IGEL, NOIS, E165, S36, WRC

View solution approach →

·

Nozzle on spherical shell

Assess nozzle loads on spherical vessels

Assess external piping loads at a spherical-shell nozzle using EN and WRC methods and identify critical regions.

E164, WRCK, NOIS, FELV

View solution approach →

·

Lifting lugs and trunnions

Verify a pressure vessel for lifting and erection

Design lifting lugs, trunnions and local shell resistance for transport, crane lifting and vessel erection.

LUG, ZAPF, WRC, FELV

View solution approach →

·

Bracket-supported vessel

Design support brackets and local shell loads of a vessel

Verify support brackets, welds and local shell effects from weight, wind, seismic and piping loads.

PRAT, S34, ABRA, WRC, 1991

View solution approach →

·

Vacuum vessel

Assess a vacuum vessel with measured out-of-roundness

Assess measured out-of-roundness, external pressure and stiffener spacing for vacuum-vessel stability.

UNRD, SUEP, ENAF, EC3S

View solution approach →

·

Steel silo

Complete the design of a steel silo to Eurocode 3

Verify bulk-solid loads, cylindrical shell, ring stiffeners, hopper and roof of a steel silo as one Eurocode design.

BULK, EC3C, EC3S, EC3T, EC3D, 1991, 1998

View solution approach →

·

Silo hopper and transition ring

Verify a silo hopper and transition ring to Eurocode 3

Verify hopper wall, cylinder-to-hopper transition and ring support under bulk-solid, support and asymmetric loads.

BULK, EC3T, EC3S, EC3C

View solution approach →

·

Expansion bellows

Design an expansion bellows in a hot pipeline

Determine thermal movement, spring forces, pressure thrust, stability and fatigue life of a piping expansion bellows.

EJMA, B13, AP26, ELKR, ER64

View solution approach →

·

Three-dimensional piping system

Control thermal piping expansion and nozzle loads

Design routing, supports and thermal expansion so that piping and equipment-nozzle limits are met together.

ELKR, ER64, ER11, HPR, STUT

View solution approach →

·

Fixed-tubesheet exchanger

Assess thermal fatigue of a fixed-tubesheet heat exchanger

Verify tubesheet forces, differential thermal expansion and cyclic loading of a fixed-tubesheet exchanger together.

WTS, E135, B51F, S2, RBSA

View solution approach →

·

U-tube heat exchanger

Design a U-tube exchanger for large temperature differences

Design duty, U-tube bundle, pressure drop, vibration resistance and tubesheet for a large temperature difference.

TEMA, WTS, E134, RBSA, B1

View solution approach →

·

Mist-eliminator separator

Upgrade a gas separator with a wire-mesh demister

Determine droplet size, mesh loading, pressure drop and separator geometry required to reduce liquid carry-over.

LDA, FLD, VSA, HSA, ZDP

View solution approach →

·

Tray column

Hydraulically debottleneck an existing tray column

Assess flooding, weeping, entrainment and pressure drop of a tray column and determine its maximum reliable capacity.

SCUT, LBA, LBG, LDA, FDP

View solution approach →

·

Batch reactor with emergency relief

Design emergency relief for a runaway batch reactor

Assess runaway heat release, pressure rise, two-phase venting and required emergency-relief area of a reactor.

BIL, TIME, PROP, A2, ADZ2

View solution approach →

·

Liquefied-gas storage vessel

Protect a liquefied-gas storage vessel against fire exposure

Assess fire heat input, vaporisation, relief capacity and mechanical design of a horizontal LPG storage vessel.

PROP, A2, B1, B3, S32, TANK

View solution approach →