Instrumentation and Control Engineering Bootcamp

Explore industrial measurement devices and the primary variables they quantify for automation and process control. See how measurement instrumentation ensures accuracy, precision, safety, and product quality.

Identify the main measurement variables: temperature, pressure level, and flow, the essential measurements used in industry for instrumentation and control.

Explore what temperature measures, how particle motion relates to heat, and how heat transfers from the process material to the measuring device, requiring sensitivity to detect temperature changes.

Explore two main industrial temperature sensor types: contact and non-contact. Learn devices such as thermocouples, resistance temperature detectors, and thermistors, and non-contact methods like infrared and acoustic measurements.

Explore how thermocouples use the Seebeck effect to generate a temperature-proportional emf between dissimilar metal wires, with a reference junction for temperature correction and calibrated tables for reading.

Explore the RTD and its platinum sensing element, how resistance maps to temperature via a simple equation, and weigh its accuracy, stability, and wide range against cost and slower response.

Explore thermistors, semiconductor sensors with a negative temperature coefficient and nonlinear exponential response. Learn to measure temperature via a voltage-current circuit and weigh their fast, sensitive benefits against limited range.

Explore non-contact temperature measurement using thermal radiation to remotely determine the temperature of distant objects, such as a boiling pot or the sun, with non-contact pyrometers.

Explore how infrared pyrometers measure temperature non-contact by detecting infrared radiation with a lens and detector, noting readings and versatility alongside challenges from shiny surfaces, dust, and field of view.

Explore acoustic pyrometry, which uses sound pulses and echoes to determine gas temperature from the speed of sound, enabling non-contact readings in furnaces, kilns, and boilers.

Field systems use liquids and gases in a bulb, capillary tube, and pressure gauge to measure temperature via fluid expansion, offering simple, robust, and inexpensive operation with no power required.

Explore the concept of pressure as force spread over an area and see how larger contact areas, like snow shoes, reduce pressure, a foundational idea in pressure measurement.

Explain static pressure and dynamic pressure in moving fluids. Static pressure describes the force perpendicular to flow on the pipe walls, while dynamic pressure depends on speed and air density.

Explore total pressure in fluid flow by combining static and dynamic pressures, measured with a pitot tube facing the oncoming air.

Explore pressure measurement tools across mechanical and electrical transducers, including Bourdon tube, spring and bellows, manometer, and electrical options like string gauge, vibrating wire, piezoelectric, and optical.

Explore the c-bourdon tube, elastic metal pressure gauge that converts pressure into a visual reading via a linked pointer on a graduate scale, offering wide operating range and fast response.

Explore how helix and spiral tubes extend the bourdon concept to measure very high pressures with uncoiling and a pointer on a scale, and evaluate their bulk, cost, and response.

Examine how the bellows gauge converts pressure into readings as the metal bellows expand and contract, moving a pointer via a lever or gear with a spring for accuracy.

An air pressure diaphragm bends under load, shifting a pointer across a dial to read low pressures with a banded disc, but it struggles with high pressures and temperature effects.

Explore how a manometer uses a U-shaped liquid column to measure pressure by height differences, and weigh its simple, battery-free advantages against limits like range and spills.

Explore electrical pressure transducers, whose sensing element converts pressure into a standardized voltage or current signal, amplified by signal conditioning circuitry for data collection and control.

Explore how a strain gauge, a tiny metal foil, senses pressure through resistance changes, using a Wheatstone bridge for accuracy and temperature compensation.

Measure pressure, strain, and earth shifts with a vibrating wire sensor by tracking its resonant frequency under tension, using an oscillator, diaphragm, magnets, coil, and transmitter to output a signal.

Explore the piezoelectric effect in pressure sensing, where squeezed crystals generate voltage proportional to pressure for dynamic measurements, while noting it cannot measure static pressure and needs a reference point.

Capacitance-based pressure sensors use a capacitor with a flexible diaphragm; pressure changes capacitance to measure pressure, offering high accuracy and low power, while temperature and electromagnetic noise can affect readings.

Master level measurement by assessing the height of a substance in a container. Compare water in a glass, fuel in a tank, and grain in a silo.

Explore how level measurement devices determine how full or empty a container is, using techniques from simple floats to radar technology to support safety, efficiency, and inventory management.

Explore ultrasonic level measurement with non-contact sensors that use high-frequency sound waves to determine liquid or solid levels, noting advantages and limits like foam, vapor, and temperature sensitivity.

Explore radar level sensors that use microwave technology to measure liquid and solid levels from a distance, non-contact, with millimeter accuracy and wide range, while noting cost and installation complexity.

Explore nucleonic level sensing with gamma-ray sources, external side mounting, and detectors that convert radiation attenuation into level or density measurements.

Measure flow by determining how much fluid—whether liquid, gas, or slurry—passes through a pipe or channel over time, using specialized flow meters. Explore how different flow meters suit industrial applications.

Explore the four main flow types: clean liquids, two-phase flows, slurries, and non-Newtonian fluids, and learn how specialized flow meters and wear-resistant materials ensure accurate, durable measurements.

Explore how fluids move in laminar and turbulent flow, using river analogies to show smooth parallel layers with friction and chaotic eddies in pipes and industrial processes.

Identify how swirl at sharp bends creates a mini tornado that distorts flow meter readings, and apply flow conditioners or straighteners to restore smooth, predictable flow.

Use Reynolds numbers to determine flow behavior in pipes, predicting laminar or turbulent flow from density, velocity, length, and viscosity, and understanding the transitional regime between 2000 and 4000.

Measure velocity to determine fluid speed at a pipe point, and compute volumetric flow rate, mass flow rate, and total flow per time using cross-sectional area and DPI sensor.

Explore viscosity as the stickiness of fluids, comparing water, olive oil, and honey to show how temperature changes viscosity and governs flow.

Explore fluid density, how temperature and pressure alter molecular packing, and why denser fluids like honey sink while less dense fluids like water have oil floating on top.

Cavitation forms vapor bubbles when pressure drops below vapor pressure, damaging piping and flow meter and causing measurement errors. Maintain sufficient pressure and avoid differential pressure devices in those systems.

Explore non-Newtonian fluids that change viscosity with applied stress, illustrating shear thickening with an oobleck experiment where a fist may bounce off, unlike Newtonian water.

Explain how fluid speeds through a restriction, forming the vena contracta, the point of highest velocity and lowest pressure, with implications for flow measurement and design.

Explore differential pressure flowmeters, using a primary element, such as an orifice plate, venturi, flow nozzle, or pitot tube, to create a pressure drop, measured by a secondary element.

Explore oscillatory flow measurement that uses rhythmic fluid motion to determine flow rates. Compute volumetric q = v × a with a as cross-sectional area, using velocity-proportional signals.

Explore vortex flowmeters that measure liquids, gases, and steam via vortex shedding from a bluff body, with downstream sensor counting vortices to determine flow, offering a wide range and reliability.

Turbine flowmeters use a spinning rotor and magnetic pickup to convert flow velocity into pulses, enabling volumetric flow rate measurement while offering high pressure tolerance and simple installation.

Explore magnetic flow meters, or mag meters, which use Faraday's law to measure flow by detecting the voltage induced in a conductive fluid moving through a magnetic field.

Explore positive displacement flow meters that measure flow volumetrically by capturing volumes between gear teeth, highlighting high accuracy at low flow and low pressure drop for batch blending.

Explore ultrasonic flow measurement with sound waves, using transit-time and Doppler methods to determine fluid velocity non-intrusively via travel-time differences and frequency shifts, and compare advantages and limitations.

Gain a comprehensive understanding of control valves, essential components that regulate flow to maintain process conditions, efficiency, and safety across oil and gas, chemical power generation, and water treatment.

Explore the terminology, components, types, selection and sizing of control valves, and learn how their operation and applications optimize process control and industrial valve performance.

Explore how control industry terminology prevents confusion and reveals international meaning across temperature, velocity, robotics, electronics, pipelines, and self acting, illustrated by a basic manual control example in pipeline control.

Explore a practical control loop in a tank system: manipulated inlet valve, controlled variable water level, setpoints, deviations, and the feedback sequence from sensor to controller to actuator.

Explore core control system terms like sensors, controllers, actuators, and controlled conditions to understand their roles and interactions. Review set value, deviation, control value, and offset to reinforce precise operation.

Compare manual level control with manual temperature control. Thermometers monitor incoming and outgoing water to ensure heating; the thermostat alarms, and the steam trap removes condensate to maintain consistent heating.

Compare human and automated control for safety, stability, and accuracy in process operations. Implement automatic controls to address rapid changes and operator delay, supported by audible alarms for safety.

Explore automated control by linking sensors such as temperature, pressure, level, and density to valves and dampers, using steam, water, air, electricity, oil, or gas as manipulated variables.

Explore the components of a control system, where sensors feed the controller, which adjusts the manipulated variable via actuators and valves powered by electronic, pneumatic, or mechanical sources.

Explore the role of control valves in industrial control loops and how fluid mechanics, metallurgy, noise control, and piping design affect efficiency and durability.

Control valves are defined by their modulation capability, enabling infinite positions to regulate flow and pressure in real time, preserving steady and effective process conditions.

Explore the block diagram of a control loop, detailing the control valve gain curve, dead time, and time constant, and how valve flow characteristics and signal transmission affect valve response.

The lecture examines control valve characteristics by comparing gain and dead time across ideal, high performance, low performance, and poorly tuned valves, highlighting slow dynamics and rapid responses.

Explore the components of a typical industrial control valve and how plug shape and operation influence performance.

Withstand operating pressure, temperature, and chemical properties to maintain safe containment; the valve body serves as the primary pressure boundary. Choose carbon steel or stainless steel to ensure durability.

Discover how spherical, conical, and cylindrical plugs inside valves shape flow to produce linear, equal percentage, or fast opening characteristics for precise or rapid flow control.

Explore how valve seats, paired with plugs, regulate flow, prevent leaks, resist wear and corrosion, and endure harsh process conditions through seat designs for globe and ball valves.

Explore the yoke as a rigid, modular support linking the actuator and stem to the valve body, enabling accurate stem travel and stroke control while withstanding high pressure.

Compare pneumatic and electric actuators in control valve systems, noting speed versus precision, and how a pneumatic diaphragm actuator converts air signals into valve motion with real time position monitoring.

The actuator stem transfers motion from the valve motor to the valve stem and plug, while a turnbuckle adjusts stem travel and these parts avoid contact with the process fluid.

Explain how actuator springs position the valve plug in pneumatic systems, using compression or extension springs, spring force, spring rate, and out-of-service failure mode considerations.

Combine IP converter current to pneumatic and a positioner to enable precise, reliable valve control with pneumatic actuators driven by electronic controllers.

Understand direct and reverse action actuators, where direct action opens the valve with increasing control signal and reverse action closes it, guiding reliable control in cooling and fuel shutoff systems.

Select and maintain packing to seal valve stem against bonnet when packing flange is tightened, and use gaskets between bonnet and body to prevent leaks, environmental contamination, and safety hazards.