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  • Effect of impact force for dual-hose dry blasting nozzle ...

    2020-2-18u2002·u2002Dry ice blasting plays an essential role in today's cleaning industry, where many industry players have used it after realizing its advantages. The disadvantage of dry ice blasting is relatively small kinetic energy and offer less aggressive clean effect, especially for dual-hose nozzle geometry. This project was mainly to study the impact force of nozzle geometry of dry …

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  • A new structure of Tesla coupled nozzle in synthetic jet ...

    2020-11-1u2002·u2002The present technique is based on the combination of the nozzle-diffuser and a Tesla element to rectify the synthetic jet. The new structure called Tesla coupled nozzle (TCN) enhances the rectifying effect owing to a created side channel that can attenuate and/or block the reversed flow while the chamber draws liquid into the pump.

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  • A circulatory ionic wind for inertial sensing application

    2019-6-27u2002·u2002when going through a nozzle of the main chamber entrance and create a jet flow. In the anew configuration, the residual charge of ion wind flow is removed by a master-ring electrode located at one end of the main chamber. Under the effect of the angular speed of gyroscope, the jet flow is deflected and this deflection is sensed using hotwires.

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  • Air Jet Sieve e200 LS

    A new and intuitive touch display (HMI) with completely revised operating software is available with immediate effect for the current ALPINE e200 LS air jet sieve. The new control panel was especially designed to allow an easy and fast upgrade of existing machines.

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  • Circulatory Jet Flow

    2018-4-10u2002·u2002sensors Article Transient Characteristics of a Fluidic Device for Circulatory Jet Flow Hoa Thanh Phan 1,*, Thien Xuan Dinh 2, Phong Nhu Bui 3 and Van Thanh Dau 4,* ID 1 HaUI Institute of Technology, Hanoi University of Industry (HaUI), Hanoi 100000, Vietnam 2 Graduate School of Science and Engineering, Ritsumeikan University, Kyoto 525-8577, Japan; …

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  • Fluidic mechanism for dual-axis gyroscope

    2018-2-17u2002·u2002nozzle for the subsequent circulation. The insets illustrate shapes of rectifying nozzle, driving channel, and jet shaping nozzle. At the junction of the nozzle, the cross-section of the two opposite inlets is designed larger than one of the outlets, which yields a lower fluidic resistance at the inlets than one at the outlets.

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  • (PDF) Sewing performance of PV & PES air-jet textured ...

    Fig. 1 Seam efficiency of fabrics sewn with PV air-jet textured sewing thread (T 1) and PES air - jet textured sewing thread (T 2 ) (a) in warp direc tion and (b) in weft direction Seam Slippage

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  • A Century of Ramjet Propulsion Technology Evolution

    2004-5-31u2002·u2002and exhaust nozzle (Fig. 1). The inlet collects and compresses air and conducts it via the diffuser to the combustor at reduced velocity thereby developing ram pressure and an elevated temperature. The combustor adds heat and mass to the compressed air by the injection and burning of fuel. Finally, the nozzle converts some of the energy

    Get Price
  • (PDF) Optimal design of a jetting dispenser actuated by a ...

    This article presents performance results of a new type of jetting dispenser driven by a ring-type piezostack actuator. The proposed dispenser can provide a very small dispensing dot size of a …

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  • Section 3. HYDRAULIC DESIGN A. Weirs and Orifices

    2019-2-21u2002·u2002SSCAFCA DPM Section 3 – HYDRAULIC DESIGN 22-115 Q = 1.486 AR2/3 S f ½ n in which Q = Discharge, in c.f.s. n = Roughness coefficient A = Area of water normal to flow in ft.

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  • Needle-Free Jet Injectors' Geometry Design and Drug ...

    2021-11-8u2002·u2002In order to study the injection and diffusion process of the drug in the subcutaneous tissue of a needle-free jet injectors (NFJIs) in detail and understand the influence of different nozzle geometry on the diffusion process of the drug, in this paper, numerical simulations were performed to study the diffusion process of the drug in the subcutaneous tissue of NFJIs with cylindrical …

    Get Price
  • .tot-Survey of Exhaust Flow Field - NASA

    2020-8-6u2002·u2002jet engine nozzle and a vehicle afterbody wcrc con-ducted in the Langley 20-Inch Mach 6 Tunnel in the mid-1970's with air used to simulate the scramjct exhaust. The 3-D data (which arc unpublished) pro-vided forces and moments produced by different por-tions of the nozzle and by the nozzle as a whole. A method (ref. 7) was developed to simulate the

    Get Price
  • Experimental Investigation of Nozzle Exit Reflector Effect ...

    2006-7-1u2002·u2002The present study describes an experimental work to investigate the effect of a nozzle exit reflector on a supersonic jet that is discharged from a convergent–divergent nozzle with a design Mach number of 2.0. An annular reflector is installed at the nozzle exit and its diameter is varied. A high-quality spark schlieren optical system is used to visualize detailed jet structures …

    Get Price
  • Circulatory Jet Flow

    2018-4-10u2002·u2002sensors Article Transient Characteristics of a Fluidic Device for Circulatory Jet Flow Hoa Thanh Phan 1,*, Thien Xuan Dinh 2, Phong Nhu Bui 3 and Van Thanh Dau 4,* ID 1 HaUI Institute of Technology, Hanoi University of Industry (HaUI), Hanoi 100000, Vietnam 2 Graduate School of Science and Engineering, Ritsumeikan University, Kyoto 525-8577, Japan; [email protected]

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  • Compressible Flow in a Converging-Diverging Nozzle

    2012-1-19u2002·u2002compressibility effects (i.e. changes in density ) are important. At Ma = 1.0, the flow is called sonic, since V = a. At Mach numbers greater than 1.0, the flow is called supersonic, since the velocity is greater than the speed of sound. Bullets fired from a gun travel at supersonic speeds, as do certain jet aircraft.

    Get Price
  • Screech suppression in supersonic jets

    2012-5-17u2002·u2002An experimental study of the nozzle lip thickness effect on supersonic jet screech tones Journal of Mechanical Science and Technology, Vol. 20, No. 4 Nozzle Orientation Effects and Nonlinear Interactions Between Twin Jets of Complex Geometry

    Get Price
  • A new structure of Tesla coupled nozzle in synthetic jet ...

    2020-11-1u2002·u2002The present technique is based on the combination of the nozzle-diffuser and a Tesla element to rectify the synthetic jet. The new structure called Tesla coupled nozzle (TCN) enhances the rectifying effect owing to a created side channel that can attenuate and/or block the reversed flow while the chamber draws liquid into the pump.

    Get Price
  • FLUID FLOW AND HEAT TRANSFER OF AN IMPINGING AIR JET

    2007-10-31u2002·u2002Convective heat transfer to an impinging air jet is known to yield high local and area averaged heat transfer coe–cients. The current research is concerned with the mea-surement of heat transfer to an impinging air jet over a wide range of test parameters. These include Reynolds Numbers, Re, from 10000 to 30000, nozzle to impingement

    Get Price
  • Experiment #5: Impact of a Jet – Applied Fluid Mechanics ...

    Experiment #5: Impact of a Jet. 1. Introduction. Moving fluid, in natural or artificial systems, may exert forces on objects in contact with it. To analyze fluid motion, a finite region of the fluid (control volume) is usually selected, and the gross effects of the flow, such as its force or torque on an object, is determined by calculating the ...

    Get Price
  • The cooling process in gas quenching

    2012-5-28u2002·u2002latter effect causes, however, the velocity to decrease to half of its value when this plate was not employed. 2.2. Quench chamber and furnace components The flow ducting geometry in quench chambers is of-ten rather complex (cf. Fig. 4), with flow splitting, 90–180 bends, and circular-to-rectangular cross-section (or other

    Get Price
  • Needle-Free Jet Injectors' Geometry Design and Drug ...

    2021-11-8u2002·u2002In order to study the injection and diffusion process of the drug in the subcutaneous tissue of a needle-free jet injectors (NFJIs) in detail and understand the influence of different nozzle geometry on the diffusion process of the drug, in this paper, numerical simulations were performed to study the diffusion process of the drug in the subcutaneous tissue of NFJIs with …

    Get Price
  • .tot-Survey of Exhaust Flow Field - NASA

    2020-8-6u2002·u2002jet engine nozzle and a vehicle afterbody wcrc con-ducted in the Langley 20-Inch Mach 6 Tunnel in the mid-1970's with air used to simulate the scramjct exhaust. The 3-D data (which arc unpublished) pro-vided forces and moments produced by different por-tions of the nozzle and by the nozzle as a whole. A method (ref. 7) was developed to simulate the

    Get Price
  • Experimental Investigation of Nozzle Exit Reflector Effect ...

    2006-7-1u2002·u2002The present study describes an experimental work to investigate the effect of a nozzle exit reflector on a supersonic jet that is discharged from a convergent–divergent nozzle with a design Mach number of 2.0. An annular reflector is installed at the nozzle exit and its diameter is varied. A high-quality spark schlieren optical system is used to visualize detailed jet structures …

    Get Price
  • Circulatory Jet Flow

    2018-4-10u2002·u2002sensors Article Transient Characteristics of a Fluidic Device for Circulatory Jet Flow Hoa Thanh Phan 1,*, Thien Xuan Dinh 2, Phong Nhu Bui 3 and Van Thanh Dau 4,* ID 1 HaUI Institute of Technology, Hanoi University of Industry (HaUI), Hanoi 100000, Vietnam 2 Graduate School of Science and Engineering, Ritsumeikan University, Kyoto 525-8577, Japan; …

    Get Price
  • Compressible Flow in a Converging-Diverging Nozzle

    2012-1-19u2002·u2002compressibility effects (i.e. changes in density ) are important. At Ma = 1.0, the flow is called sonic, since V = a. At Mach numbers greater than 1.0, the flow is called supersonic, since the velocity is greater than the speed of sound. Bullets fired from a gun travel at supersonic speeds, as do certain jet aircraft.

    Get Price
  • Screech suppression in supersonic jets

    2012-5-17u2002·u2002An experimental study of the nozzle lip thickness effect on supersonic jet screech tones Journal of Mechanical Science and Technology, Vol. 20, No. 4 Nozzle Orientation Effects and Nonlinear Interactions Between Twin Jets of Complex Geometry

    Get Price
  • A new structure of Tesla coupled nozzle in synthetic jet ...

    2020-11-1u2002·u2002The present technique is based on the combination of the nozzle-diffuser and a Tesla element to rectify the synthetic jet. The new structure called Tesla coupled nozzle (TCN) enhances the rectifying effect owing to a created side channel that can attenuate and/or block the reversed flow while the chamber draws liquid into the pump.

    Get Price
  • FLUID FLOW AND HEAT TRANSFER OF AN IMPINGING

    2007-10-31u2002·u2002Convective heat transfer to an impinging air jet is known to yield high local and area averaged heat transfer coe–cients. The current research is concerned with the mea-surement of heat transfer to an impinging air jet over a wide range of test parameters. These include Reynolds Numbers, Re, from 10000 to 30000, nozzle to impingement

    Get Price
  • Experiment #5: Impact of a Jet – Applied Fluid Mechanics ...

    Experiment #5: Impact of a Jet. 1. Introduction. Moving fluid, in natural or artificial systems, may exert forces on objects in contact with it. To analyze fluid motion, a finite region of the fluid (control volume) is usually selected, and the gross effects of the flow, such as its force or torque on an object, is determined by calculating the ...

    Get Price
  • The cooling process in gas quenching

    2012-5-28u2002·u2002latter effect causes, however, the velocity to decrease to half of its value when this plate was not employed. 2.2. Quench chamber and furnace components The flow ducting geometry in quench chambers is of-ten rather complex (cf. Fig. 4), with flow splitting, 90–180 bends, and circular-to-rectangular cross-section (or other

    Get Price
  • Needle-Free Jet Injectors' Geometry Design and Drug ...

    2021-11-8u2002·u2002In order to study the injection and diffusion process of the drug in the subcutaneous tissue of a needle-free jet injectors (NFJIs) in detail and understand the influence of different nozzle geometry on the diffusion process of the drug, in this paper, numerical simulations were performed to study the diffusion process of the drug in the subcutaneous tissue of NFJIs with …

    Get Price
  • .tot-Survey of Exhaust Flow Field - NASA

    2020-8-6u2002·u2002jet engine nozzle and a vehicle afterbody wcrc con-ducted in the Langley 20-Inch Mach 6 Tunnel in the mid-1970's with air used to simulate the scramjct exhaust. The 3-D data (which arc unpublished) pro-vided forces and moments produced by different por-tions of the nozzle and by the nozzle as a whole. A method (ref. 7) was developed to simulate the

    Get Price
  • Experimental Investigation of Nozzle Exit Reflector Effect ...

    2006-7-1u2002·u2002The present study describes an experimental work to investigate the effect of a nozzle exit reflector on a supersonic jet that is discharged from a convergent–divergent nozzle with a design Mach number of 2.0. An annular reflector is installed at the nozzle exit and its diameter is varied. A high-quality spark schlieren optical system is used to visualize detailed jet structures …

    Get Price
  • Circulatory Jet Flow

    2018-4-10u2002·u2002sensors Article Transient Characteristics of a Fluidic Device for Circulatory Jet Flow Hoa Thanh Phan 1,*, Thien Xuan Dinh 2, Phong Nhu Bui 3 and Van Thanh Dau 4,* ID 1 HaUI Institute of Technology, Hanoi University of Industry (HaUI), Hanoi 100000, Vietnam 2 Graduate School of Science and Engineering, Ritsumeikan University, Kyoto 525-8577, Japan; …

    Get Price
  • Compressible Flow in a Converging-Diverging Nozzle

    2012-1-19u2002·u2002compressibility effects (i.e. changes in density ) are important. At Ma = 1.0, the flow is called sonic, since V = a. At Mach numbers greater than 1.0, the flow is called supersonic, since the velocity is greater than the speed of sound. Bullets fired from a gun travel at supersonic speeds, as do certain jet aircraft.

    Get Price
  • Screech suppression in supersonic jets

    2012-5-17u2002·u2002An experimental study of the nozzle lip thickness effect on supersonic jet screech tones Journal of Mechanical Science and Technology, Vol. 20, No. 4 Nozzle Orientation Effects and Nonlinear Interactions Between Twin Jets of Complex Geometry

    Get Price
  • A new structure of Tesla coupled nozzle in synthetic jet ...

    2020-11-1u2002·u2002The present technique is based on the combination of the nozzle-diffuser and a Tesla element to rectify the synthetic jet. The new structure called Tesla coupled nozzle (TCN) enhances the rectifying effect owing to a created side channel that can attenuate and/or block the reversed flow while the chamber draws liquid into the pump.

    Get Price
  • FLUID FLOW AND HEAT TRANSFER OF AN IMPINGING

    2007-10-31u2002·u2002Convective heat transfer to an impinging air jet is known to yield high local and area averaged heat transfer coe–cients. The current research is concerned with the mea-surement of heat transfer to an impinging air jet over a wide range of test parameters. These include Reynolds Numbers, Re, from 10000 to 30000, nozzle to impingement

    Get Price
  • Experiment #5: Impact of a Jet – Applied Fluid Mechanics ...

    Experiment #5: Impact of a Jet. 1. Introduction. Moving fluid, in natural or artificial systems, may exert forces on objects in contact with it. To analyze fluid motion, a finite region of the fluid (control volume) is usually selected, and the gross effects of the flow, such as its force or torque on an object, is determined by calculating the ...

    Get Price
  • The cooling process in gas quenching

    2012-5-28u2002·u2002latter effect causes, however, the velocity to decrease to half of its value when this plate was not employed. 2.2. Quench chamber and furnace components The flow ducting geometry in quench chambers is of-ten rather complex (cf. Fig. 4), with flow splitting, 90–180 bends, and circular-to-rectangular cross-section (or other

    Get Price
  • CRN Application to Predict the NOx Emissions for ...

    2014-10-27u2002·u2002Figure 2. The Geometry of Swirl Angle and Chamber The model industrial combustor shown in Figure 2 is a 3D partial model of the swirl angle and the combustor, which was designed by simplifying the experimental combustor for a rapid calculation. The main swirl piece and the injector which has pilot fuel nozzle piece.

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  • (PDF) The Water Rocket Contest: Afterthoughts on ...

    The water jet thrust created by rapid expansion of compressed air is modeled as adiabatic process. ... and study the effect of such fuel change on the size reduction of the system as well as its ...

    Get Price
  • (PDF) Sewing performance of PV & PES air-jet textured ...

    Fig. 1 Seam efficiency of fabrics sewn with PV air-jet textured sewing thread (T 1) and PES air - jet textured sewing thread (T 2 ) (a) in warp direc tion and (b) in weft direction Seam Slippage

    Get Price
  • GMRES: A Generalized Minimal Residual Algorithm for ...

    2018-9-18u2002·u2002Vietnam Journal of Mathematics 48:4, 791-807. (2020) Velocity dependent up-winding scheme for node control volume finite element method for …

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  • Flight PSP Measurement Test Using Beechcraft 65

    Download Citation Flight PSP Measurement Test Using Beechcraft 65 A flight Pressure-Sensitive Paint (PSP) measurement test was conducted using …

    Get Price
  • A Century of Ramjet Propulsion Technology Evolution

    2004-5-31u2002·u2002and exhaust nozzle (Fig. 1). The inlet collects and compresses air and conducts it via the diffuser to the combustor at reduced velocity thereby developing ram pressure and an elevated temperature. The combustor adds heat and mass to the compressed air by the injection and burning of fuel. Finally, the nozzle converts some of the energy

    Get Price
  • 4,800 122,000 135M

    2020-5-15u2002·u2002heaters for the study of micro-jet impingement cooling. The local Nusselt number distribution along the wall, Nux, was found to be a function of Z/B ratio, where Z is nozzle-to-wall distance and B is the slot width. A heat exchanger for power electronic components was …

    Get Price
  • Studying the features of air flow induced by a room ...

    2022-1-2u2002·u2002Request PDF Studying the features of air flow induced by a room ceiling-fan Creating a breeze in a space is necessary to enhance convective heat transfer and …

    Get Price
  • (PDF) Experimental study on static thrust characteristics ...

    Sensitivity studies are conducted of impacts on thrust augmentation from shroud-induced viscous effects, radial loading variations induced by the propeller, and losses due to propeller-induced swirl.

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  • Print PDFs in Acrobat Reader - Adobe Inc.

    2019-12-23u2002·u2002All - prints all pages in the PDF. Current page - prints the current page in the PDF. Pages - specifies a subset of pages to print. You can enter individual page numbers, a range, or a combination. For example: 1, 6-18, 33, 98. More options - specifies additional options such as even or odd pages, and reverse pages.

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  • Needle-Free Jet Injectors' Geometry Design and Drug ...

    2021-11-8u2002·u2002In order to study the injection and diffusion process of the drug in the subcutaneous tissue of a needle-free jet injectors (NFJIs) in detail and understand the influence of different nozzle geometry on the diffusion process of the drug, in this paper, numerical simulations were performed to study the diffusion process of the drug in the subcutaneous tissue of NFJIs with …

    Get Price
  • .tot-Survey of Exhaust Flow Field - NASA

    2020-8-6u2002·u2002jet engine nozzle and a vehicle afterbody wcrc con-ducted in the Langley 20-Inch Mach 6 Tunnel in the mid-1970's with air used to simulate the scramjct exhaust. The 3-D data (which arc unpublished) pro-vided forces and moments produced by different por-tions of the nozzle and by the nozzle as a whole. A method (ref. 7) was developed to simulate the

    Get Price
  • Experimental Investigation of Nozzle Exit Reflector Effect ...

    2006-7-1u2002·u2002The present study describes an experimental work to investigate the effect of a nozzle exit reflector on a supersonic jet that is discharged from a convergent–divergent nozzle with a design Mach number of 2.0. An annular reflector is installed at the nozzle exit and its diameter is varied. A high-quality spark schlieren optical system is used to visualize detailed jet structures …

    Get Price
  • Circulatory Jet Flow

    2018-4-10u2002·u2002sensors Article Transient Characteristics of a Fluidic Device for Circulatory Jet Flow Hoa Thanh Phan 1,*, Thien Xuan Dinh 2, Phong Nhu Bui 3 and Van Thanh Dau 4,* ID 1 HaUI Institute of Technology, Hanoi University of Industry (HaUI), Hanoi 100000, Vietnam 2 Graduate School of Science and Engineering, Ritsumeikan University, Kyoto 525-8577, Japan; …

    Get Price
  • Compressible Flow in a Converging-Diverging Nozzle

    2012-1-19u2002·u2002compressibility effects (i.e. changes in density ) are important. At Ma = 1.0, the flow is called sonic, since V = a. At Mach numbers greater than 1.0, the flow is called supersonic, since the velocity is greater than the speed of sound. Bullets fired from a gun travel at supersonic speeds, as do certain jet aircraft.

    Get Price
  • Screech suppression in supersonic jets

    2012-5-17u2002·u2002An experimental study of the nozzle lip thickness effect on supersonic jet screech tones Journal of Mechanical Science and Technology, Vol. 20, No. 4 Nozzle Orientation Effects and Nonlinear Interactions Between Twin Jets of Complex Geometry

    Get Price
  • A new structure of Tesla coupled nozzle in synthetic jet ...

    2020-11-1u2002·u2002The present technique is based on the combination of the nozzle-diffuser and a Tesla element to rectify the synthetic jet. The new structure called Tesla coupled nozzle (TCN) enhances the rectifying effect owing to a created side channel that can attenuate and/or block the reversed flow while the chamber draws liquid into the pump.

    Get Price
  • FLUID FLOW AND HEAT TRANSFER OF AN IMPINGING

    2007-10-31u2002·u2002Convective heat transfer to an impinging air jet is known to yield high local and area averaged heat transfer coe–cients. The current research is concerned with the mea-surement of heat transfer to an impinging air jet over a wide range of test parameters. These include Reynolds Numbers, Re, from 10000 to 30000, nozzle to impingement

    Get Price
  • Experiment #5: Impact of a Jet – Applied Fluid Mechanics ...

    Experiment #5: Impact of a Jet. 1. Introduction. Moving fluid, in natural or artificial systems, may exert forces on objects in contact with it. To analyze fluid motion, a finite region of the fluid (control volume) is usually selected, and the gross effects of the flow, such as its force or torque on an object, is determined by calculating the ...

    Get Price
  • The cooling process in gas quenching

    2012-5-28u2002·u2002latter effect causes, however, the velocity to decrease to half of its value when this plate was not employed. 2.2. Quench chamber and furnace components The flow ducting geometry in quench chambers is of-ten rather complex (cf. Fig. 4), with flow splitting, 90–180 bends, and circular-to-rectangular cross-section (or other

    Get Price