Articles tagged with Mechanical Engineering
Tiny mechanical devices called resonators can filter electronic signals by cancelling out certain frequencies and allowing others to pass. The devices, made of silicon, are manufactured using a standard procedure and have the potential for advanced applications in medical and homeland-defense fields.
Frank Fisher, an Assistant Professor at Stevens Institute of Technology, received the 2009 Ferdinand P. Beer and E. Russell Johnston Jr. Outstanding New Educator Award for his commitment to mechanics education. The award recognizes his efforts in developing graduate programs and providing exceptional teaching experiences.
Researchers at the University of Illinois have successfully focused ultrasound waves through a flat metamaterial lens to create an acoustic 'superlens'. This innovation could improve high-resolution ultrasound imaging, non-destructive structural testing of buildings and bridges, and novel underwater stealth technology.
Researchers at Purdue University have developed a technique that uses sensors to monitor refrigerant temperature and estimate the amount of refrigerant in an air conditioning system, saving energy and reducing maintenance costs. The new method could be easily integrated into automotive and household air conditioners.
Jeremiah T. Abiade received a Ralph E. Powe Junior Faculty Enhancement Award to increase electrical output of thermoelectric materials and devices. His research aims to enhance the thermoelectric figure of merit, ZT, for useful power output.
Scientists create nanoneedle to deliver molecules into cell cytoplasm and nucleus with precision, enabling single-molecule studies and molecular manipulation. The delivery method combines molecular targeting strategies using quantum dots and magnetic nanoparticles.
A UC San Diego bioengineer has made significant discoveries on the universal need for cells, tissues, organs, and organisms to use common biological modules. The researcher found that despite differences in structure and function, various biological systems respond to forces using similar strategies.
Researchers used the pursuit-evasion game 'Marco Polo' to create a system for controlling moving robots that can autonomously detect and capture other moving targets. The system, which uses multiple sensors and cell decomposition algorithm, has broad applications in security, environmental monitoring, and tracking endangered species.
A mechanical engineer at Washington University in St. Louis has developed techniques to reduce vehicle drag using active flow control technology, resulting in a 15-18% reduction in fuel consumption. The technology is being researched by airplane and automobile companies worldwide to play an important role in fuel conservation.
A team of engineers from University of Wisconsin-Madison has created a new view of nanoscale friction by demonstrating that friction at the atomic level behaves similarly to friction generated between large objects. The researchers found that friction is proportional to the number of atoms that interact between two nanoscale surfaces.
Percy A. Pierre, a renowned engineer and educator, has been awarded the 2008 AAAS Mentor Award for Lifetime Achievement for his dedication to increasing the number of African-American and Hispanic-American Ph.D.s in engineering. He has mentored 27 doctoral graduates through the Sloan Engineering Program at Michigan State University.
A collaborative effort between Procter & Gamble and the University of Cincinnati has developed a center of expertise in computer simulation. The UC Simulation Center provides P&G with virtual modeling and simulation capacity, saving costs, time, and engineering resources.
Shashank Priya has received a three-year grant to develop high-sensitivity resonant magnetic field sensors using magnetoelectric thin films. The technology has the potential to enhance performance of communication devices such as GPS systems.
Professor Hamid Hadim has received a grant to develop an introductory level training course on pressurized water reactor nuclear power plants. The course will provide EPRI staff with better understanding of fundamental principles and design methodologies, enabling more valuable research and development.
University of Houston professors Matthew Franchek and Ralph Metcalfe receive a $2.8 million NIH grant to create a pulseless total artificial heart (TAH) with advanced control systems. The device aims to improve reliability and adjust to physiological needs, offering hope for those waiting for a heart transplant.
Nakhiah Goulbourne's NSF CAREER award aims to develop specific models and experiments for heart stent sensors. The goal is to create diagnostic tools that can dynamically monitor the mechanical state of the stented artery, reducing implant failures and improving cardiovascular flow.
Professor Constantin Chassapis and Hamid Hadim will develop educational and training programs to address energy industry workforce challenges, focusing on nuclear engineering expertise. The program aims to provide practical skills and competencies for future nuclear power engineers and technicians.
A Duke University engineer and colleague have applied the constructal theory to explain how trees are designed for water flow and wind resistance. The resulting patterns and proportions match those of the Eiffel Tower, highlighting the interconnectedness of nature's flow systems.
Researchers at Princeton University have invented a technique to pattern surfaces on the nanoscale using lasers and plastic beads. The method enables the creation of ultrasmall features, such as lines and dots, that are 1,000 times narrower than a human hair, with potential applications in biology, medicine, and computing.
A $400,000 grant from the U.S. Department of Energy is funding a study to investigate the transport and environmental risks of nanomaterials. Researchers will examine how nanoparticles are partitioned and transported in the environment and human body.
A new international study reveals how the Komodo dragon can efficiently kill prey despite having a weak bite and featherweight skull. The 'space-frame' skull, combined with powerful neck muscles and razor-sharp teeth, allows it to butcher large animal prey.
Yang's project aims to create ultra-high-speed single electron memory devices based on CNTs, which could replace silicon transistors in future electronics. The team will investigate novel in-plane CNT structures for high-speed and low-power applications.
Assistant Professor Jeremy J. Michalek of Carnegie Mellon University has been awarded the National Science Foundation's Faculty Early Career Development Award for his research on public policy and its impact on vehicle efficiency.
Three students, Rajit Chaudhury, Carmen Reznik, and Christiana Chang, received top honors in the TcSUH Student Symposium for their research on superconductivity and related advanced materials. Their projects have potential applications in improving data storage, human health, and structural integrity.
A team of researchers from Case Western Reserve University, VA and NASA Glenn Research Center has unveiled a method for developing mechanically-reinforced polymer nanocomposites. The approach uses a process to assemble nanoparticles into a three-dimensional network before filling it with a polymer, resulting in compatible materials. Th...
Two studies demonstrate the value of repair systems for internal defects, with fiberglass-composite repairs showing wide variation in quality. Thin, precurved steel lamina effectively repair external corrosion without compromising pipes' strength.
Researchers, led by Liyun Wang, aim to shed light on how osteocytes sense external stimuli and communicate with surface cells. This study may lead to effective drug therapies for treating debilitating bone diseases.
Researchers at Johns Hopkins University developed a mathematical tool that computed the mechanical force exerted by the Z-ring when it helps bacteria cells split. The calculation revealed a surprisingly small force of 8 piconewtons, which could aid scientists in developing new antibiotics and understanding cell division.
Yanczura supported the activation of the new Oxygen Generation Assembly on the International Space Station (ISS) and developed a real-time data connection system. He also trained the Hamilton Sundstrand staff on using the new technology, establishing it as a self-sustained project.
The team's new e-jet printing process can produce lines as narrow as 700 nanometers and dots as small as 250 nanometers using electrically induced fluid flow and nanoscale nozzles. This technology has potential applications in large-area circuits, displays, photovoltaic modules, security, biotechnology, and photonics.
Researchers have successfully used a nanofountain probe to directly deposit gold nanoparticles, 15 nanometers in diameter, onto silicon substrates. This novel technique enables better control over resultant patterns and simplifies the fabrication of functional structures.
A new University of Delaware research project aims to engineer functional vocal cord tissue to replace scarred, rigid tissue. The team is developing novel biomaterials that mimic the molecular composition and mechanical responsiveness of natural extracellular matrices, with the goal of improving pliability and preventing scarring.
A new study from Rensselaer Polytechnic Institute reveals that carbon nanotubes exhibit fatigue resistance similar to soft tissue, making them suitable for creating synthetic muscle or electro-mechanical systems. The researchers successfully compressed the nanotube block over 500,000 times without significant degradation.
The University of Delaware has received a $11 million grant from the NIH to conduct translational research on osteoarthritis, focusing on tissue mechanics and biomechanics. A unique mentoring program will also support women biomedical researchers at UD.
Salvatore Torquato received the 2007 Ralph E. Kleinman Prize for his groundbreaking work on heterogeneous materials, bridging mathematics and applications in engineering and science. His research has led to highly original advances in various problems, including microstructure characterization and percolation theory.
Hai-Chao Han, an assistant professor at the University of Texas at San Antonio, has been awarded a five-year NSF CAREER grant to study artery buckling and its relationship to cardiovascular diseases. His research aims to understand mechanical stress in arterial remodeling and develop new technologies for treatment.
Florida State University is designing a new, 571-acre community called Sky with integrated renewable energy systems and sustainable design. The community will feature geothermal loops, solar collectors, fuel cells, and advanced wastewater treatment facilities to minimize its environmental footprint.
Researchers discovered that power-law distributions are common in various systems, including the internet, due to the 'rich get richer' effect. This phenomenon can be influenced by tradeoffs between network distance and connection numbers.
Dennis Hong, a Virginia Tech professor, has developed a robotic locomotion mechanism that mimics the motion of an amoeba. The Whole Skin Locomotion (WSL) mechanism enables robots to squeeze through narrow spaces and navigate challenging terrain with ease.
Researchers at the University of Illinois developed a simple electrochemical process for direct patterning of metallic interconnects and nanostructures. The S4 process uses a patterned superionic material as a stamp, etching a metallic film in a single step.
Researchers aim to shorten runway delays by creating near-axis swirls in trailing vortices, reducing turbulence and making runways usable more quickly. The study's goal is to demonstrate the feasibility of this approach and explain its physics.
Scientists have created a prototype carbon nanotube knife that could revolutionize cell biology by enabling precise cuts and 3D images of cells. The device, which stretches between two electrochemically sharpened tungsten needles, has shown promising results in mechanical strength tests.
Dr. Youqi Wang is creating a new approach to designing ballistic-resistant fabrics and textiles. Her research focuses on the mechanical properties of fibers and how they interact with each other.
Researchers at Northwestern University developed arrays of robotic whiskers that sense information about object shape and fluid flow. These artificial whiskers can extract three-dimensional features from solid objects by analyzing bending moments and strain gauges.
Researchers at the University of Delaware have developed a method to detect defects in composite materials using a network of carbon nanotubes. The discovery has significant implications for predicting the lifespan of composite materials and ensuring their safety in various applications, including commercial airliners.
Researchers at Iowa State University are working with Frontline BioEnergy to develop a renewable alternative to natural gas in ethanol production. The new technology uses partial combustion of biomass to produce producer gas, which can replace natural gas in plant heaters and be upgraded into high-value fuels.
Researchers at MIT are testing kayak-based robots called SCOUTs, which use surface navigation to communicate wirelessly. The goal is to create a team of robots that can work seamlessly together with minimal human direction.
Undergraduates at Johns Hopkins University have created a low-cost, portable Braille writing device with no electronic components. The device features six buttons to produce Braille letters and numbers, and can be assembled for $10 each.
Kathryn Abel, Director of Engineering Management Program at Stevens Institute of Technology, receives the Merl Baker Award for her dedication to engineering management division. She is also a university alumna and has held various leadership positions in academic organizations.
Dr Elise Feng-I Morgan, a researcher at Boston University, has been awarded the 2005 IOF-Servier Young Investigator Award for her innovative research on osteoporosis. This prestigious award aims to promote awareness and understanding of osteoporosis among young scientists.
The Stevens Institute of Technology's ASME student section won three awards at the recent conference for their Senior Design projects. The award-winning projects include a women's lacrosse skill development device, a wave energy power generator, and a micro-air vehicle with weight and payload optimization.
Researchers at Purdue University have developed a new cooling system that uses a micro-electromechanical system (MEMS) pump to cool electronic devices on a tiny scale. The device is integrated onto a silicon chip and can create a cooling action through electrohydrodynamics, enhancing the pumping action by up to 13 percent.
Duke University researchers have developed a technique using ferrofluids and magnetic traps to create 'nanocavities' that can be used as chemical detectors or for data storage. The team uses magnetics to manipulate microstructures, allowing for complex patterns to be assembled.
Karl Lewis, a renowned Pitt engineering professor, will receive the Lifetime Achievement Award at the NSBE Pittsburgh convention. He is recognized for his extensive contributions to engineering and science, including education programs that have educated hundreds of successful Black engineers.
A recent study aims to improve diagnosis and treatment of cardiovascular disease through a better understanding of blood flow. Vlachos' research focuses on the physics of blood flow through the body, with an emphasis on experimental models and optical imaging tools.
Researchers at Purdue University have developed a new approach that unifies the design and analysis processes, allowing for concurrent computation. This integration enables faster processing of complex problems in industries such as automotive and aerospace, reducing computational power required.
Researchers have developed a portable device that uses Doppler ultrasound to find veins quickly and accurately. The device is composed of two parts: a reusable unit with signal processing components and a disposable coupler box with a reflector and needle guide.
Researchers discovered that toucan beaks are made of a bio-composite consisting of keratin tiles glued to a rigid foam-like interior, providing exceptional lightweight strength. The study's findings could lead to the development of ultra-light aircraft and vehicle components with improved impact-absorption systems.
Purdue engineers have created a new method to analyze the components of automotive suspension systems, aiming to improve performance, reduce weight, and increase durability. The approach represents a potential change in how suspensions are designed, with potential benefits including lighter and more efficient suspension systems.
The Penn State team has successfully developed a method to calculate optimal proportions of niobium powder to binder and temperature for sintering, opening doors to injection-molded niobium parts. The approach can be applied to other materials with irregularly-shaped particles, expanding its potential applications.