Double-pass
CFD Analysis of Double Pass Foldable Cum Portable Solar Air Heater
... and thermal behaviors of the double-pass solar collector with and without porous media have been discussed. Tabish Alam, Man-Hoe Kim [4], presented numerical study on heat transfer and friction ...
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Double-pass microkeratome technique for ultra-thin graft preparation in Descemet's stripping automated endothelial keratoplasty
... Another disadvantage of the double-pass technique is that the second pass may create a smaller diameter cut. Often the largest diameter punch for a given recipient cornea is used to provide more ...
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Optimization of the 1050nm Pump Power and Fiber Length in Single-Pass and Double-Pass Thulium Doped Fiber Amplifiers
... The double-pass amplifier achieves a maximum gain of 32 dB at 1465 nm, which is 15 dB higher than the single-pass ...the double-pass TDFA. However, the noise figure is higher in the ...
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Experimental Investigation of Double Pass Solar Air Heater with Different Arrangements Using Aluminium Material
... using double pass with aluminium cans to increase heat transfer ...of double pass air heater is ...of double pass solar air heater for the entire different range of mass flow ...
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Performance Assessment of Double Pass Solar Air Heater with Inclined Discrete Ribs on Absorber Plate
... Abstract: - In double pass solar air heater thermal performance can be obtained by augment the rate of heat transfer and minimizes the top losses and bottom losses.Efficiency of solar air heater is low ...
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Performance Evaluation of a double pass Indirect Solar Drier for drying of Red Chili
... a double -pass solar drier (DPSD), which compared with a cabinet dryer and open sun drying of red chili in central ...the Double pass indirect solar drying system using the double glass ...
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<p>Objective assessment of optical quality in dry eye disease using a double-pass imaging system</p>
... Dry eye disease (DED) is a multifactorial in fl ammatory disease resulting in tear fi lm instability, ocular discomfort, and optical quality degradation. 1 According to the Dry Eye Workshop (DEWS), DED is associated with ...
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Investigation on gain improvement of erbium doped fiber amplifier (EDFA) by using dual pumped double pass scheme
... Pump Double Pass Scheme): The Figure 7 shows that the gain of 10 nm fiber length has a wide and flat gain that is very good for C-band and L- band amplification so that the signal can be transmitted for a ...
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SINGLE & DOUBLE PASS FRICTION STIR WELDING
... single pass. The joints fabricated by single pass have shown lower tensile strength and lower percentage of elongation compared to the joints fabricated by double pass and this trend is common ...
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Off-Axis Temperature Anisotropy Measurement by Double-Pass Thomson Scattering Diagnostic System on TST-2
... We have developed a multi-point Thomson scattering system with double-pass configuration for the TST-2 device and have installed new collection optics for the same. Temperature and density can now be ...
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Simultaneous Measurement of Plasma Pressure Anisotropy with a Double-Pass Thomson Scattering Diagnostic System on the TST-2
... a double-pass Thomson scattering di- agnostic system on the TST-2, evaluated the systematic and random errors, and found the measurement error to be around 5 - 10% for plasmas with a density of 2 × 10 19 m ...
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STUDY OF MECHANICAL PROPERTIES FOR ALUMINIUM ALLOY (6061) BY USING DIFFERENT TOOL SHAPES IN FRICTION STIR WELDING
... in double sided weld. The joints fabricated by single pass have shown lower tensile strength and lower percentage of elongation compared to the joints fabricated by double pass and this trend ...
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Thermal Modelling of a Solar Air Heater for All Over the Year of Yazd Province
... the double pass solar air ...of double pass solar air heaters [2, 5], shows the double pass solar air heaters perform better than the single pass solar air heater owing to ...
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An experimental study of PV/T Combi with water and air heating system
... ABSTRACT: A hybrid photovoltaic thermal (PV/T) solar collector system is well-known on its capability to generate electrical and thermal energy, simultaneously. In spite of having water and air type of heat removal ...
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Operation of an optical in-well-pumped vertical-external-cavity surface-emitting laser
... each pass, the double-pass absorption of the VECSEL without retroreflection and at maximum pump power 共 ...overall double-pass ...
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Theoretical and Experimental Study of a Double Air Pass Solar Thermal Collector with an Insulating Rod of Millet
... DOI: 10.4236/epe.2018.103008 118 Energy and Power Engineering [15] Ho, C.D., Yeh, H.M., Cheng, T.W., Chen, T.C. and Wang, R.C. (2009) The Influ- ences of Recycle on Performance of Baffled Double-Pass ...
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Behavioral Variations of Gain and NF Owing to Configurations and Pumping Powers
... Go in details for the shown results in the figure. The SPSS records the lowest gain where the QPDSF records the highest one. At this level of explanation, the effect of the configurations type is very crucial where the ...
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An Experimental Investigation of Thermal Performance of Solar Air Heater with W Wire Mesh
... This investigation represents the effect of artificial roughness with W-shaped geometry as shown in figure 2.6 on heat transfer and friction factor of Double Pass Solar Heater having rectangular duct. ...
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Design of Double Tail Comparator Using Dual Mode Logic in PTL Design
... the pass transistornetwork to avoid non full swing problems Double pass-transistor logic is shown to improve circuit performance at reduced supply ...and double-transmission characteristics ...
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Advanced Interferometry for Gravitational Wave Detection
... laser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 7.17 Measured frequency response for RSE Michelson system . . . . . . . . . . 97 7.18 Measured and calculated frequency response ...
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