The Biomedical Engineering department has three labs in the Center for Sciences and Biomedical Engineering: the Biomedical Instrumentation and Medical Devices lab (BMIL), the Bioelectronics & Biofluids lab (BEFL), and the Biomedical Engineering Project lab (BEPL). Several medical devices used in clinical diagnosis, therapy, research and development are housed in these labs in support of several lab-based courses in the biomedical engineering program. The devices in BMIL include biomedical electrical safety analyzers, heart rate and blood pressure monitors, pulse oximeters, electronic stethoscopes, ECG monitors, telemetry and nurse call systems, External Pacemakers, Defibrillators, AED’s, Neonatal and Transport Incubators, Electrolyte and Blood Gas Analyzers, Automated Blood Cell Counters and Patient Monitors as well as a collection of several special purpose simulators. BEFL has several medical electronic sensors and signal processing units, Biological work tables, Centrifuges, microtome, cryostat, and Infusion Pumps. Both BMIL and BEFL include general test and calibration equipment and provide access to commonly-used engineering software and specialized biomedical software. BEPL is designed for final year students to work on their senior interdisciplinary projects.
The Altschuler Computer Center is outfitted with the latest technology, including Dell servers, Cisco routers and switches, patch panels, UPS systems, TFTP servers and an EMC VNX housed in server racks. Students work with Linux, Microsoft Server, and Windows operating systems while creating a multitude of network configurations.
The Manufacturing Center, located in Williston Hall, has four laboratory areas. (1) The machining lab has six Computer Numerically Controlled (CNC) lathes, six CNC 3-axis knee mills, a CNC 3-axis bed mill, two Vertical Machining Centers, and a Coordinate Measuring Machine. Students learn through experiential laboratory activities the principles of material removal, from basic, manual operations through the most advanced computer aided manufacturing (CAM) processes. (2) The Rapid Prototyping (RP) lab has multiple 3-D printing processes enabling students to fabricate models for projects courses and sand casting patterns for the foundry. As is true in the machining section, all RP processes are on the Institute network, allowing remote access file handling. (3) The metal fabrication area contains all the basic sheet metal fabrication equipment along with a 4’ x 4’ CNC plasma torch table. There are six multi-process GMAW welding stations on downdraft tables. (4) The foundry lab is used to pour aluminum parts using the green sand casting process.
This laboratory space is dedicated for multi-purpose student-based innovative projects. Machining equipment, welding facilities, and a variety of tools are available in this area to promote student-based innovative projects.
The Materials Science Laboratory is equipped with all of the necessary equipment to introduce students to the concepts and fundamentals of materials. Metallographic samples are prepared with the help of diamond cut-off saws and electro-hydraulic automatic mounting presses. Microstructural analysis can be performed on one of several inverted microscopes equipped with digital imaging hardware. High temperature, industrial box furnaces, and cold-rolling equipment are used to demonstrate the relationship of manufacturing processes and resulting material properties. Other topics of experimentation include electrochemical corrosion and polymer-matrix composite materials.
The Strength of Materials Laboratory houses electrodynamics and hydraulic testing equipment which allows students to investigate important material properties such as tensile strength, shear stress, and elasticity. Other major apparatus featured in this lab include a fatigue tester, a beam deflection station, a rotating beam device, an impact tester, a temperature creep tester, and electronic strain gages. Students also analyze various structures and profile the results using graphics software.
The laboratory is used to supplement nanotechnology courses and supports undergraduate research through senior design offerings and special student projects as well as for teaching across engineering disciplines to promote cross-disciplinary teamwork at Wentworth. The laboratory encompasses a nanoparticle deposition system capable of generating nanoparticles of different sizes from different materials in a differential pressure vacuum system along with an Atomic Force Microscope and other test and characterization equipment.
The Electronics Laboratory is a core work area for all Electrical and Computer Engineering students. Twenty laptops each linked by a general purpose interface bus to its own set of test equipment (oscilloscopes, digital multimeters, power supplies and function generators), enable students to perform computer-aided tests, circuit analysis, and simulation tasks as well as to solve data acquisition and process control problems.
Electronics Project Laboratory (Dobbs303A)
This laboratory provides students with an area to build and test their prototypes. The laboratory includes standard electronic bench equipment (oscilloscope, digital multimeter, function generator, and power supply). Workbenches and equipment are available for component assembly and packaging, and mechanical assembly.
This laboratory contains an array of fluid testing and propulsion equipment such as a subsonic wind tunnel, a variable-frequency drive pumping station, a supersonic/compressible flow system, a friction pressure drop piping system for circulating water, a Saybolt Universal Viscometer, and a velocity profile/pitot tube apparatus.
The HVAC laboratory enables mechanical engineering technology and electromechanical engineering students to learn moist air properties and air-conditioning processes, and also investigate different HVAC systems and refrigeration cycles. This lab houses several basic vapor compression refrigeration systems and an industrial type vapor-compression system with double evaporator and water cooled condenser. It is also equipped with a basic air-conditioning system experiments to study Psychometric processes.
The Heat Transfer lab enables students to study principles of heat conduction, convection, and radiation. It includes an axial and a radial conduction experiments, a shell and tubes and a plate heat exchanger. There are additional equipment and sensors which allow students to investigate transient heat transfer and lumped system analysis, radiation prosperities, heat sink, and heat pipes.
The Thermodynamics Laboratory serves students enrolled in mechanical and electromechanical degree programs and enables them to study the use of energy for the purposes of mechanical and electrical power production. This lab features a turbo charged diesel engine/generator station, a calorimeter for fuel analysis, an air heat-recovery ventilator (white enclosure) for indoor air quality, a state-of-the-art small engine dynamometer, and an aircraft gas turbine. Students are introduced to pressure, temperature, and humidity testing devices such as transducers, vacuum gages, thermocouples, and barometers. Engine efficiency and performance tests are conducted, and students learn basic properties of various fluids.
This laboratory has eight workstations that include eight laptops, oscilloscopes, power supplies, function generators and digital multimeters. This laboratory also houses two robotics arms, one translational and one rotational vibration modules which can be used as one or multi-degree freedom vibrational systems.
This laboratory is intended primarily to meet the needs of the rapidly growing communication industry. The student work area is currently equipped with ten RF network analyzers, oscilloscopes, high frequency wave generators, and ten laptops.
The Power and Controls Laboratory is a specialty lab dedicated to the study of various types of motors and generators as well as the analysis and design of analog and digital feedback control systems. Centered on four motor-generator sets, the student work area is supported by laptops, power supplies, function generators, digital oscilloscopes, and digital multimeters.
The major pieces of equipment include two concrete mixers, sieve shakers, sample splitters, curing tank, and drying ovens. Students learn the fundamentals of concrete mix design and testing in this lab.Tests are run on aggregates as well as on the freshly made and hardened concrete. Students can measure the effect that different aggregate gradations, varying amounts of water, and the use of admixtures have on a concrete mix.
Fluids and Hydraulics Laboratory (Annex Central 005)
Equipment in this laboratory is used to demonstrate the basic principles of hydraulics and fluid flow in both open channels and closed conduits. Students learn the concepts of buoyancy, velocity of flow, energy losses in bends and restrictions, sediment transport, and pump efficiency. Each of the large benches has a reservoir and a pump to circulate water. Individual experiments can be hooked up to these, allowing students to have separate workstations. Of particular note are the two five-meter flumes.
The major pieces of equipment in this laboratory include a triaxial machine, two direct shear machines, two unconfined compression machines, four consolidometers, a data collector, and sieve shaker. Tests on field-obtained soil samples can be performed to characterize and classify soil and to determine the strength, settlement, and drainage characteristics of soil deposits, information which is essential to the design of shallow and deep foundations, embankments, retaining walls, and base courses for highways.
Waste and Wastewater Unit Operations Laboratory (Annex North 003)
This laboratory houses a variety of typical laboratory analytical equipment and assorted glassware. Of interest in this lab are two 200-gallon wastewater pilot test tanks, a reverse osmosis water treatment system, three incubators for B.O.D. testing and incubating biological samples, a water distillation column, and six bench microscopes.