citeseerx 鈥 an experimental study for solar tunnel
Enhancing ferroelectric photovoltaic effect by polar order
Ferroelectric materials for photovoltaics have sparked great interest because of their switchable photoelectric responses and above-bandgap photovoltages that violate conventional photovoltaic theory However their relatively low photocurrent and power conversion efficiency limit their potential application in solar cells To improve performance conventional strategies focus
CiteSeerX — Citation Query Is there light at the ends of
Experiments in both an indoor testbed and an operational road tunnel show also that once the network stack is taken into consideration DBP triples the WSN lifetime—a remarkable result per se but a far cry from the aforementioned 99 % data suppression
ANALYSIS OF THE THERMAL BEHAVIOR OF A TUNNEL
Moreover a comparative study of the solar tunnel and open sun drying of moringa oleifera leaves was carried out It is found that the tunnel dryer requires less drying time and is economically viable (Vaghela Bhautik Sengar In 2018) The thermal models for greenhouse dryers was also studied (Chauhan Kumar Gupta 2017)
Highly Efficient Flexible Perovskite Solar Cells Using
Mar 11 2016A solution-derived NiOx film was employed as the hole contact of a flexible organic–inorganic hybrid perovskite solar cell The NiOx film which was spin coated from presynthesized NiOx nanoparticles solution can extract holes and block electrons efficiently without any other post-treatments An optimal power conversion efficiency (PCE) of 16 47%
Modeling and Analytical Experimental Study of Hybrid Solar
Modeling and Analytical Experimental Study of Hybrid Solar Dryer Integrated with Biomass Dryer for Drying Coleus Forskohlii Stems K Gunasekaran1 V Shanmugam2 and P Suresh3+ 13Professor Department of Mechanical Engineering Muthayammal Engineering College Rasipuram Namakkal Dist – 637 408
[PDF] Numerical investigation of a solar greenhouse tunnel
A numerical investigation of a solar greenhouse tunnel drier (SGTD) has been performed In the present study the geometry of the tunnel roof is assumed semi-circular which is covered with a UV (200mu) stabilized polyethylene film The simulated SGTD reduces moisture of copra from 52 2% to 8% in 55 h under full load conditions A system of partial differential equations
CiteSeerX — Automated Design Optimization for Hypersonic
CiteSeerX - Document Details (Isaac Councill Lee Giles Pradeep Teregowda): An automated design methodology incorporating industry-standard Navier-Stokes codes and a gradient-based optimizer has been developed This system is used to redesign the well-known NASA P2 and P8 hypersonic inlets First the Navier-Stokes simulations of the original P2 and P8 inlet designs
Aerospace Science and Technology
Aerospace Science and Technology publishes articles of outstanding scientific quality Each article is reviewed by two referees The journal welcomes papers from a wide range of countries This journal publishes original papers review articles and short communications related to all fields of aerospace research fundamental and applied potential applications of which are
Biology Forums
Biology Forums - Study Force is the leading provider of online homework help for college and high school students Get homework help and answers to your toughest questions in biology chemistry physics math calculus engineering accounting English writing help business humanities and more
Carbon
Mar 17 2018Carbon-based metal-free catalysts possess desirable properties such as high earth abundance low cost high electrical conductivity structural tunability good selectivity strong stability in acidic/alkaline conditions and environmental friendliness Because of these properties these catalysts have recently received increasing attention in energy and
CiteSeerX — Citation Query Tropical thermostats and low
geophysical research letters vol 34: 10 1029/2006 gl027834 gregory j m 2006 Processes in the climate system that can either amplify or dampen the climate response to an external perturbation are referred to as climate feedbacks
The experimental performance of the semi
Sep 06 2019The experimental performance of the semi-cylindrical type of solar concentrator collector on the addition of heat storage material D Harun Zulfadhli and Akhyar Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering Volume 602 conference 1
CiteSeerX — Experimental and Comparison Studies on Drying
CiteSeerX - Document Details (Isaac Councill Lee Giles Pradeep Teregowda): Abstract — A natural convection solar tunnel dryer was designed and developed for carrying out the experimental and comparison studies on drying characteristics of green chillies in Negamam region of Pollachi Tamil Nadu (India) during the month of April 2014
Applications
The first results simulating a Dual-Junction (DJ) GaInP/GaAs solar cells are shown in this paper including a complete Tunnel Junction (TJ) model and the resonant cavity effect occurring in the bottom cell Simulation and experimental results were compared in order to test the accuracy of the models em-ployed
Simplified analysis for estimation of the behavior of a
Dec 01 2015Subsea tunnel connecting a big island to the main land has been proposed for high speed railway service in Korea but economic feasibility study revealed less benefit than cost As such a submerged floating tunnel can potentially serve as a means of long-distance marine transport and would offer such benefits as the reduction of potential
Heating Greenhouse Soil With Solar Air Heaters
Mar 03 2012The paper listed below from the University of Minnesota Extension shows a really simple way to to use solar air heating collectors to heat the soil below a high tunnel greenhouse While a fair amount of excavation is involved the system is really simple and cheap if you have access to a backhoe
Experimental and numerical investigations on water
Experimental and numerical investigations on water behaviour in a solar tunnel drier: by B Khiari D Mihoubi M Sassi and S Ben Mabrouk Desalination 168 (2004) 117-124 This investigation focuses on the study of water behaviour inside the product to be dewatered in the particular case of a tunnel drier and on the evolution of water
DBPIA
as a result of experiments in T5 piston driven shock tunnel In more recent experimental studies by Holden[5] measurements were made in LENS hypervelocity shock tunnel The model was densely instrumented with high-frequency thin-film instrumentation to get a level of spatial and temporal resolution which exceeded those of the earlier studies
CiteSeerX — al: Advanced Processing of Hyperspectral Images
CiteSeerX - Document Details (Isaac Councill Lee Giles Pradeep Teregowda): Abstract — Hyperspectral imaging offers the possibility of characterizing materials and objects in the air land and water on the basis of the unique reflectance patterns that result from the interaction of solar energy with the molecular structure of the material
CiteSeerX — Elite Cycling Aerodynamics: Wind Tunnel
CiteSeerX - Document Details (Isaac Councill Lee Giles Pradeep Teregowda): An experimental and numerical study of the aerodynamics of a cyclist in a typical racing position is presented The study aims to provide understanding of the fundamental aerodynamic char-acteristics which underpin variations of drag with changes to rider shape and position
DESIGN AND DEVELOPMENT OF A RECTANGULAR SUPERSONIC
A newer and larger tunnel will also contribute to expand the College of Engineering's tools for studying and understanding high-speed fluid mechanics and applications to aerodynamics and propulsion technologies The new wind tunnel is a rectangular testing facility with a 5 " by 5 " cross-sectional area in the test section
A Retrospective of VAWT Technology
Abstract The study of Vertical-Axis Wind Turbine (VAWT) technology at Sandia National Laboratories started in the 1970's and concluded in the 1990's These studies concentrated on the Darrieus configurations because of their high inherent efficiency but other configurations (e g the Savonius turbine) were also examined
Wind tunnel experiments on ground
Standards and codes for wind load action have not been an adequate tool for evaluating wind load on photovoltaic (PV) solar panels yet thus deeper studies on this subject are necessary This paper presents an experimental study of wind load on a ground-mounted PV panel in a wind tunnel
Experimental study of the wake characteristics of a two
Abstract Wind tunnel experiments of the wake characteristics of a two-blade wind turbine in the downstream region of 0x/R10 have been carried out With the help of the time resolved particle image velocimetry (TRPIV) flow properties such as the vortex structure average velocity fluctuations velocities and Reynolds stresses are obtained at different tip speed ratios (TSR)
Experimental study of air flow rate effects on
The objective of this research is to study experimentally the effect of air flow rate on humidification process parameters Experimental data are obtained from air conditioning study unit T110D Results obtained from experimental test calculations and psychometrics software are discussed The effect of air flow rate on steam humidification process
An Experimental Study for Solar Tunnel Drying of Apple
A schematic view of the experimental solar tunnel is shown in Figure 1 The experimental solar tunnel having dimensions of 1 8 m by 2 5 m by 8 m was located in the Department of Agriculture Machinery Ankara (3957' N 3253' E) It was oriented in an east-west direction to make the solar radiation incident more efficient on the
Flat plate solar photovoltaic–thermal (PV/T) systems: A
Nov 01 2015More amount of practical research is required in PV/T flat plate collectors for widespread commercial acceptance of the technology PV/T technology should be marketed for the residential sector in countries with widespread use of solar water heaters and solar PV modules for domestic water heating and electricity production respectively According to the
Perspectives to Study a Solar CNO Cycle by Means of a
A nonstationary case is considered when the flux of 13 N neutrinos is higher than the standard solar model predicts due to the influx of fresh material from the peripheral layers to the solar core neutrino experiments solar abundance solar interior PACS numbers: 26 65 +t 96 60 JwPerspectives to Study a Solar CNO Cycle 2 1
Efficient Monolithic Perovskite/Silicon Tandem Solar Cell
Dec 24 2015Monolithic perovskite/crystalline silicon tandem solar cells hold great promise for further performance improvement of well-established silicon photovoltaics however monolithic tandem integration is challenging evidenced by the modest performances and small-area devices reported so far Here we present first a low-temperature process for semitransparent perovskite solar






