Search Results - mark+sheplak

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Miniature Multi-Hole Probe for Quicker, More-Accurate Air Pressure Measurements
Incorporates an Optical Sensor Array to Minimize Probe Size and Maximize Pressure Measurement Accuracy and Speed This smaller, more sensitive multi-hole probe pressure sensor integrates MEMS-based optical fibers for quicker, more accurate air pressure measurements. Multi-hole probes are flow measurement tools designed to take point measurements at...
Published: 9/6/2023   |   Inventor(s): Mark Sheplak, Haocheng Zhou
Keywords(s):  
Category(s): Technology Classifications > Engineering > Mechanical, Technology Classifications > Engineering > Instrumentation-Sensors-Photonics
Passive, Wireless Sensor that Accurately Measures Pressure in Harsh Environments
Locally Determines Pressure and Fluid Flow in High-Temperature Applications Such as Gas Turbines to Prevent High Cycle FatigueThis low-maintenance, passive wireless sensor uses a microelectromechanical system (MEMS) and radiofrequency waves to measure static and dynamic pressures accurately for applications in harsh environments, such as gas turbines....
Published: 6/27/2021   |   Inventor(s): Mark Sheplak, Yong Yoon, Jack Judy, John Rogers
Keywords(s): high temperature applications, MEMS, Passive Wireless Sensor
Category(s): Technology Classifications > Engineering > Electrical
MEMS Device for Measuring Direct, Real-Time Wall Shear Stress Vectors
Measures 3D Aerodynamic Flow Fields in Both Controlled Environments and Field ApplicationsThis micro-electromechanical system or MEMS-based device can measure wall shear stress vectors in 3D aerodynamic flow fields in both controlled environments and field applications. Aviation test equipment is designed to measure wall stress, which is essential to...
Published: 6/27/2021   |   Inventor(s): Mark Sheplak, Casey Barnard
Keywords(s): MEMS, Shear stress measurement, transducers
Category(s): Technology Classifications > Engineering > Mechanical
Flush-Mount Sensor Packaging for Superior Aeroacoustics Instrumentation
Batch Fabrication Decreases Cost Per Sensor, Lowering Aircraft Fuselage Array ExpensesThis improved packaging design protects and optimizes microphone sensors that are used in and around airplanes to help locate and reduce excessive aviation noise, an environmental and human health hazard. Passenger travel in airplanes is expected to increase from 732...
Published: 6/27/2021   |   Inventor(s): Mark Sheplak, Tiffany Reagan, Dylan Alexander
Keywords(s): Aeroacoustics, Aviation Noise, Measurement, MEMS, Microphone, packaging, transducers
Category(s): Technology Classifications > Engineering > Electrical, Technology Classifications > Engineering > Mechanical
MEMS Microphone Technology for Smaller, Lower-Cost Electronic Devices
Streamlines Manufacturing, Allowing Faster and Easier Processing This MEMS microphone has pared-down packaging making it possible to inexpensively manufacture even smaller electronic devices. The term microphone refers to a transducer or sensor that converts sound into electrical signals. The devices are used in a wide range of consumer products (including...
Published: 6/27/2021   |   Inventor(s): David Arnold, Mark Sheplak
Keywords(s):  
Category(s): Technology Classifications > Engineering > Electrical
Efficient Optical Shear-Stress Sensors with High Temperature Ranges
Directly Quantifies Skin Friction Drag in High-Temperature EnvironmentsThis device uses sensors to accurately and quickly process wall shear-stress in applications for the aircraft industry. The measurement of skin friction drag is vitally important to the aircraft industry, and skin friction drag causes an estimated 50 percent of the total vehicle...
Published: 1/19/2022   |   Inventor(s): Mark Sheplak, Toshikazu Nishida, Stephen Horowitz, Louis Cattafesta
Keywords(s): Optical, sensor, Shear
Category(s): Technology Classifications > Engineering > Mechanical