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IEEE Transactions on Electron Devices, ISSN 0018-9383, 06/2014, Volume 61, Issue 6, pp. 1687 - 1691
A novel klystron topology is proposed to overcome the frequency limits of conventional klystrons. In contrast to the conventional klystron approach, where the... 
Fabrication | millimeter wave | Modulation | Klystron | Couplers | Klystrons | microfabrication | Cavity resonators | reentrant cavity | Gain | PHYSICS, APPLIED | ENGINEERING, ELECTRICAL & ELECTRONIC | Network architecture | Research | Analysis | Wavelengths | Holes | Plasma frequencies | Topology | Devices | Drift tubes
Journal Article
IEEE Transactions on Electron Devices, ISSN 0018-9383, 07/2019, Volume 66, Issue 7, pp. 3168 - 3170
Broadbanding of a rectangular reentrant cavity is proposed through reducing its unloaded quality factor by loading the cavity with periodic rectangular ridges... 
Q-factor | Loading | Resonant frequency | Bandwidth | Broadband cavity | Klystrons | Cavity resonators | Impedance | multiple-beam klystron (MBK) | rectangular reentrant cavity | quality factor | Quality factor | Rectangular reentrant cavity | Multiple-beam klystron (mbk) | PHYSICS, APPLIED | S-BAND | MULTIBEAM KLYSTRON | BANDWIDTH | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
Review of Scientific Instruments, ISSN 0034-6748, 10/2014, Volume 85, Issue 10, p. 104705
A piezoelectric voltage coupled microwave reentrant cavity has been developed. The central cavity post is bonded to a piezoelectric actuator allowing the... 
RADIO | INSTRUMENTS & INSTRUMENTATION | PHYSICS, APPLIED | CYLINDRICAL CAVITY | FREQUENCY | Finite element method | Electric potential | Reentrant cavity resonators | Piezoelectric actuators | Piezoelectricity | Cavity resonators | Cryogenic temperature | Physics - Instrumentation and Detectors
Journal Article
IEEE Transactions on Microwave Theory and Techniques, ISSN 0018-9480, 10/2018, Volume 66, Issue 10, pp. 4641 - 4648
Journal Article
IEEE Transactions on Electron Devices, ISSN 0018-9383, 10/2019, pp. 1 - 5
Equivalent circuit analysis of a rectangular double-reentrant cavity of klystron with circular cylindrical ferrule operating in the fundamental TM⠁₁₀ mode was... 
Equivalent circuit analysis | klystron | multiple-beam klystron and rectangular reentrant cavity
Journal Article
International Journal of Heat and Mass Transfer, ISSN 0017-9310, 06/2019, Volume 135, pp. 124 - 130
This study experimentally investigated pool boiling heat transfer performance on horizontal copper tubes with refrigerant R134a. Experiments were conducted at... 
Reentrant cavity tube | Experiment | Pool boiling | Heat transfer | PLAIN | ENHANCED TUBES | REFRIGERANTS | SMOOTH | ENGINEERING, MECHANICAL | HEAT-TRANSFER COEFFICIENTS | R-123 | MECHANICS | THERMODYNAMICS | R-134A | Ethylene glycol | Temperature | Nusselt number | Fluid dynamics | Reynolds number | Fluid flow | Tubes | Boiling | Heat transfer coefficients | Heat flux
Journal Article
International Journal of Heat and Fluid Flow, ISSN 0142-727X, 06/2014, Volume 47, pp. 9 - 20
Journal Article
International Journal of Heat and Mass Transfer, ISSN 0017-9310, 11/2017, Volume 114, pp. 1001 - 1012
Micro-grooved channels with reentrant cavity array (MGRA) was developed using the orthogonal Ploughing/Extrusion method (P/E) for the purpose of flow boiling... 
Flow boiling | Two-phase instability | Microchannel | Reentrant cavity | Heat transfer | MICROCHANNEL HEAT SINKS | INSTABILITY | PARALLEL MICROCHANNELS | ENGINEERING, MECHANICAL | SILICON MICROCHANNELS | SURFACE MICROCHANNELS | OMEGA-SHAPED MICROGROOVES | TRANSFER MECHANISMS | MECHANICS | THERMODYNAMICS | OPTIMUM THERMAL DESIGN | RECTANGULAR MICROCHANNELS | CONFIGURATIONS
Journal Article
International Journal of Heat and Mass Transfer, ISSN 0017-9310, 08/2016, Volume 99, pp. 556 - 568
Porous structures with reentrant cavities (PS–RC) were proposed and developed for pool boiling cooling systems. They were totally constructed by sintered... 
Heat transfer enhancement | Porous structures | Pool boiling | Reentrant cavity | VISUALIZATION | MECHANISMS | GROOVE | MODEL | ENGINEERING, MECHANICAL | MECHANICS | THERMODYNAMICS | ENHANCEMENT | COPPER FOAM | SURFACES | Electrical engineering | Mechanical engineering | Sintering | Analysis | Liquids | Replenishment | Ethyl alcohol | Nucleate boiling | Holes | Pools | Boiling | Heat transfer
Journal Article
International Journal of Heat and Mass Transfer, ISSN 0017-9310, 2005, Volume 48, Issue 23, pp. 4867 - 4886
This paper investigates flow boiling of water in microchannels with a hydraulic diameter of 227 μm possessing 7.5 μm wide reentrant cavities on the sidewalls.... 
Boiling | Enhanced | Reentrant cavity | Microchannels | 2-PHASE FLOW | VERTICAL TUBES | HORIZONTAL TUBE | microchannels | GENERAL CORRELATION | FLUX | ENGINEERING, MECHANICAL | PRESSURE-DROP | enhanced | MECHANICS | SINKS | THERMODYNAMICS | boiling | CHANNEL | reentrant cavity | SURFACES | WATER | Mechanical engineering
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 02/2018, Volume 130, pp. 185 - 194
In order to provide efficient thermal management for high-power electronics while keeping the light weight and compact physical size of the devices, a thin... 
Aluminum vapor chamber | Thermal management | Micro grooves | Heat pipe | Reentrant cavity | MANAGEMENT-SYSTEM | ENERGY & FUELS | PIPE | MICROCHANNELS | ENGINEERING, MECHANICAL | CAPACITY FADE | MECHANICS | HEAT-TRANSFER PERFORMANCE | THERMODYNAMICS | LITHIUM-ION BATTERIES
Journal Article
Journal of Fluids Engineering, Transactions of the ASME, ISSN 0098-2202, 2012, Volume 134, Issue 4, pp. 41202 - 10
Simulation of cavity shedding around a three-dimensional twisted hydrofoil has been conducted by large eddy simulation coupling with a mass transfer cavitation... 
3D twisted hydrofoil | unsteady cavitating flow | Large Eddy Simulation (LES) | cavity shedding | UNSTEADY CAVITATION | SHEET CAVITATION | SPANWISE VARIATION | BEHAVIOR | MODEL | ENGINEERING, MECHANICAL | REENTRANT JET | DYNAMICS | FLOWS | CLOUD CAVITATION | Numerical analysis | Research | Eddies | Pressure | Hydrofoils | Shedding | Computer simulation | Fluctuation | Holes | Mathematical models | Cavitation | Three dimensional
Journal Article
IEEE Transactions on Microwave Theory and Techniques, ISSN 0018-9480, 08/2014, Volume 62, Issue 8, pp. 1657 - 1662
Journal Article
ACS Applied Materials & Interfaces, ISSN 1944-8244, 06/2017, Volume 9, Issue 25, pp. 21532 - 21538
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 2011, Volume 31, Issue 6, pp. 1208 - 1219
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 10/2017, Volume 125, pp. 432 - 442
Microgrooved surfaces with reentrant cavities (MSRCs) were fabricated on pure copper substrates by employing the orthogonal Ploughing/Extrusion (P/E) method.... 
Micro groove | Pool boiling | Heat transfer | Reentrant cavity | Bubble growth | HEAT-TRANSFER ENHANCEMENT | INTERCONNECTED MICROCHANNEL NETS | ENERGY & FUELS | PIPE | NANOSTRUCTURE | EXTRUSION-PLOWING PROCESS | FLOW | ENGINEERING, MECHANICAL | FUNCTIONALIZATION | MECHANICS | THERMODYNAMICS | PIN-FINNED SURFACES | MICRO-GROOVES | WATER
Journal Article
Chemical Engineering and Processing - Process Intensification, ISSN 0255-2701, 09/2018, Volume 131, pp. 178 - 189
A plate microchannel heat exchanger (MHX) with isosceles trapezoid-shaped reentrant cavities (ITRCs) in the sidewalls was designed. The flow, heat transfer,... 
Heat transfer enhancement | Heat transfer performance | Pressure drop characteristic | Isosceles trapezoid-shaped reentrant cavities | Microchannel heat exchanger | ENGINEERING, CHEMICAL | DESIGN | ENERGY & FUELS
Journal Article
Applied Thermal Engineering, ISSN 1359-4311, 03/2019, Volume 151, pp. 406 - 416
A three-dimensional numerical model has been conducted to study the laminar flow and heat transfer characteristics in serpentine microchannel with different... 
Serpentine microchannel | Thermal resistance | Fan-shaped reentrant cavities | Heat transfer | Fluid flow | 2-PHASE FLOW | TRANSFER ENHANCEMENT | ENERGY & FUELS | RECTANGULAR CHANNEL | HYDRAULIC CHARACTERISTICS | RIBS | ENGINEERING, MECHANICAL | LAMINAR-FLOW | PRESSURE-DROP | MECHANICS | THERMODYNAMICS | WAVY CHANNELS | SINK | SIMULATIONS
Journal Article