Academic literature on the topic 'Kermes (Insect)'

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Journal articles on the topic "Kermes (Insect)"

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Seyhan, Serap Ayaz, Cağlar Demirbağ, and Emre Dölen. "Identification of the main dyestuffs obtained from Kermes (Kermes vermilio) in the Northwest of Turkey." Ovidius University Annals of Chemistry 30, no. 1 (2019): 1–4. http://dx.doi.org/10.2478/auoc-2019-0001.

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Abstract Dyer’s kermes (Kermes vermilio) is found only on the kermes oak (Quercus coccifera L). They were used in the past for the preparation of dyes for textiles and as a pharmaceutical. The main constituents of this insect are kermesic acid (ka) and flavokermesic acid (fk). Historically and culturally important dyer’s kermes insect red dyes were investigated by high performance liquid chromatography. Kermes in the Northwest of Turkey were analyzed first time the relative amount of the dyestuffs although their presence has been reported analytical works related to this insect. The relative amount in the acid hydrolyzed extract of Kermes vermilio from the Northwest of Turkey looked very similar to the France.
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Pellizzari, Giuseppina, Francesco Porcelli, Gabrijel Seljak, and Ferenc Kozár. "Some additions to the Scale insect fauna (Hemiptera: Coccoidea) of Crete with a check list of the species known from the island." Journal of Entomological and Acarological Research 43, no. 3 (2011): 291. http://dx.doi.org/10.4081/jear.2011.291.

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A list of the scale insects (Homoptera: C occoidea) recorded by the authors for the Greek island of C rete is reported. This includes twenty-seven species new to the island The most interesting records are Kermes palestiniensis Balachowsky (Kermesidae), only recorded previously from Israel, and Getulaspis bupleuri (Marchal) (Diaspididae), only known previously from North A frica and the Middle E ast. With the present additions, the number of scale insect species recorded on C rete has reached 82. A revised check list of the scales presently known from the island is also provided.
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Stathas, G. J., E. D. Kartsonas, and P. J. Skouras. "First record of Kermes echinatus on Quercus ilex." ENTOMOLOGIA HELLENICA 22, no. 1 (2017): 19. http://dx.doi.org/10.12681/eh.11524.

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The scale insect Kermes echinatus Balachowsky (Hemiptera, Coccoidea, Kermesidae) was recorded on Quercus ilex in November 2012 in Kalamata and in December of the same year on the same host species in Athens. Quercus ilex is recorded for the first time as the host of this scale. This scale is first recorded in continental Greece. The population of the scale in both areas consisted mainly of first instar nymphs, whereas in Kalamata individuals of the scale in advanced developmental stages were recorded. Preliminary studies indicate that natural enemies are active against K. echinatus. Moultings of larvae and pupae and adults of Chilocorus bipustulatus L. (Coleoptera: Coccinellidae) were found on colonies of the scale. Parasitoid exit holes were recorded on female adults of the scale. Some data on morphology and infestation of the scale on Q. ilex are given.
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Podsiadło, Elżbieta, Katarzyna Michalik, Anna Michalik, and Teresa Szklarzewicz. "Yeast-like microorganisms in the scale insect Kermes quercus (Insecta, Hemiptera, Coccomorpha: Kermesidae). Newly acquired symbionts?" Arthropod Structure & Development 47, no. 1 (2018): 56–63. http://dx.doi.org/10.1016/j.asd.2017.11.002.

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Turner, Jay Cee, and Eileen Buss. "Biology and Management of Allokermes kingii (Hemiptera: Kermisidae) on Oak Trees (Quercus spp.)." Arboriculture & Urban Forestry 31, no. 4 (2005): 198–202. http://dx.doi.org/10.48044/jauf.2005.025.

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The northern red-oak kermes scale, Allokermes kingii (Cockerell), is a native, gall-like scale insect found on oak trees (Quercus spp.) in the United States. Its feeding causes branch dieback, flagging, reduced growth rates, and occasionally tree death. Allokermes kingii has one generation a year throughout most of the United States, but we found two generations a year in Florida. It also infests Q. geminata Small and Q. virginiana Miller, which represent new host records. The insecticides tested (acephate, bifenthrin, imidacloprid, horticultural oil, and combined acephate and oil) appeared to suppress the nymphal population, but none caused >42% mortality. Very few natural enemies occurred on the study trees, and were thus considered ineffective at reducing the scale population at this site.
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Stathas, G. J., E. D. Kartsonas, A. I. Darras, and P. J. Skouras. "Scale insect species (Hemiptera: Coccomorpha) and their natural enemies, recorded on agricultural, ornamental and forest plant species in the wider area of Messenian Province (Peloponnese, Greece), 2000 – 2020." Hellenic Plant Protection Journal 14, no. 2 (2021): 47–64. http://dx.doi.org/10.2478/hppj-2021-0006.

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Summary The scale insects (Hemiptera: Coccomorpha) recorded on agricultural, ornamental and forest plant species in the wider area of Messenian Province (Peloponnese, Greece) during the years 2000 – 2020 are reviewed. Twenty species were recorded, which belong to four families: Diaspididae: Aonidiella aurantii (Maskell), Chrysomphalus aonidum (L.), Diaspis echinocacti (Bouché), Dynaspidiotus abieticola (Koroneos), D. abietis (Schrank), Lepidosaphes beckii (Newman), L. gloverii (Packard), Lineaspis striata (Newstead), Targionia vitis (Signoret); Coccidae: Ceroplastes rusci (L.), Eulecanium sericeum (Lindinger), Nemolecanium graniformis (Wünn), Parthenolecanium corni (Bouché), P. persicae (Fabricius), Physokermes hemicryphus (Dalman), P. inopinatus Danzig and Kozár, Protopulvinaria pyriformis (Cockerell); Pseudococcidae: Phenacoccus madeirensis Green, Planococcus vovae (Nasonov) and Kermesidae: Kermes echinatus Balachowsky. The biology, phenology and natural enemies in Messenia are discussed for fifteen of these scale species.
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Aka, Hüsniye, and Cengiz Darici. "Carbon and nitrogen mineralization in carob soils with Kermes oak and Aleppo pine leaf litter." European Journal of Soil Biology 41, no. 1-2 (2005): 31–38. http://dx.doi.org/10.1016/j.ejsobi.2005.05.001.

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Ostrovsky, A. M. "New records of scale insects (Rhynchota: Sternorrhyncha: Coccinea) — pedunculate oak pests (Quercus robur Linnaeus, 1753) in fauna of Belarus." Forestry Bulletin 26 (April 2022): 31–35. http://dx.doi.org/10.18698/2542-1468-2022-2-31-35.

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This article provides information about the findings of three more species new to the fauna of Belarus — Parthenolecanium rufulum (Cockerell, 1903), Kermes quercus (Linnaeus, 1758) and K. roboris (Fourcroy, 1785). Information on the distribution, biology, ecology and the degree of harmfulness of these species is given. The morphological description of the studied forms is given. As part of the implementation of forest protection measures, monitoring and recording of all cases of detection of these scale insects in our region will be important.
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HODGSON, CHRIS. "A review of neococcid scale insects (Hemiptera: Sternorrhyncha: Coccomorpha) based on the morphology of the adult males." Zootaxa 4765, no. 1 (2020): 1–264. http://dx.doi.org/10.11646/zootaxa.4765.1.1.

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The importance of adult male morphology in elucidating the phylogeny of scale insects (Coccomorpha) was first suggested by Balachowsky and Ferris in the late 1930s. However, the first extensive comparisons of adult male morphology were made by Jancke (1955) and Theron (1958), both of whom looked at the morphology of various groups of Coccomorpha. Theron’s study, under the guidance of K.L. Boratyński, set a new standard for detail and accuracy (although he did not describe the setae). These studies were closely followed by Beardsley (1962), who described the adult males of 30 mealybug species from Hawaii, and then by three more of Boratyński’s students who produced highly significant monographs on particular families, namely Ghauri (1962) who described 26 species of Diaspididae, Giliomee (1967a) who described 22 species of Coccidae and Afifi (1968) who described 17 species of Pseudococcidae and 7 species of Eriococcidae. Since then, the adult males of more than 300 neococcoid species have been described in considerable detail (Appendix A). Adult males of a further 48 species are described or redescribed and illustrated in this monograph (Acanthococcus adenostomae (Ehrhorn), Eriochiton armatus Brittin; Apiomorpha munita tereticornuta Gullan; A. ovicola (Froggatt); A. pharetrata (Schrader); A. rosaeformis (Froggatt); A. spinifer Froggatt; Dactylopius coccus (Costa); Callococcus leptospermi (Maskell); Lachnodius ?eucalypti (Maskell); Tanyscelis verrucula (Froggatt); Beesonia dipterocarpi Green; Parastictococcus brachystegiae (Hall); P. hargreavesi (Vayssière); P. multispinosus (Newstead); Stictococcus intermedius Newstead; S. vayssierei Richard; Conchaspis angraeci Cockerell; C. capensis Linnaeus; C. socialis Green; C. vayssierei Mamet; Leucaspis gigas (Maskell); Labidaspis myersi (Green); Allokermes galliformis (Riley); Kermes shastensis Ehrhorn; Kermes sp.; Tachardina aurantiaca (Cockerell); Tachardiella sp.; Cerococcus artemisiae (Cockerell); Antecerococcus indicus (Maskell); A. ornatus (Green); Bambusaspis delicata (Green); B. longa (Green); Asterolecanium petrophilae (Fuller); Hsuia cheni Borchsenius; Aclerda arundinariae McConnell; A. distorta Green; A. tillandsiae Howell; A. tokionis Cockerell; Aclerda sp. A; Aclerda sp. B; Luzulaspis caricis (Ehrhorn); Akermes scrobiculatus (Maskell); A. pingue (Maskell); Cardiococcus major (Maskell); Ctenochiton serratus Green; C. eucalypti Maskell, and ?Pulvinaria dodonaeae Maskell). This paper summarises the data from all of these descriptions, and provides diagnoses for the adult male morphology for all of the neococcoid families and other taxa discussed here. Because our concept of the “Eriococcidae” remains uncertain, extra attention has been payed to the taxa considered to be most closely involved. At least 1 illustration is included of an adult male of each of the taxa (mainly families) discussed here. Identification keys are provided for most of the males described to-date.
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Trikolidi, F. A. "Cow sharks (Hexanchiformes) from the Cretaceous deposits of the Crimea." Proceedings of the Zoological Institute RAS 318, no. 1 (2014): 76–97. http://dx.doi.org/10.31610/trudyzin/2014.318.1.76.

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This paper presents descriptions of five species of sharks of the families Hexanchidae and Crassodontidanidae from the Cretaceous deposits of South-West Crimea: Crassodontidanus aff. wiedenrothi (Thies, 1983) (Bolshoy Kermen Mountain, lower Hauterivian), Pachyhexanchus pockrandti (Ward et Thies, 1987) (Bolshoy Kermen Mountain, lower Hauterivian), Notidanodon aff. lanceolatus (Woodward, 1886) (Belaya Mountain, lower – middle Cenomanian), N. cf. lanceolatus (near Maryino Village, middle Aptian), and N. dentatus (Woodward, 1886) (Kremennaya Mountain, lower Cenomanian). The tooth of Crassodontidanus aff. wiedenrothi is close in morphology to those of C. wiedenrothi from the Jurassic of Germany. Pachyhexanchus pockrandti is the second record of this species in the Tethys region. Representatives of Notidanodon aff. lanceolatus are sharply different from other species of this genus in tooth morphology; this taxon is, likely, an ancestral form for the family Heptranchidae.
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Dissertations / Theses on the topic "Kermes (Insect)"

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Makundi, R. H. "Influence of resistance of kernels of sorghum cultivars on the biology of Rhizopertha dominica (Fab)." Thesis, University of Newcastle Upon Tyne, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294934.

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Bian, Qi. "Bulk flow properties of wheat." Thesis, Kansas State University, 2014. http://hdl.handle.net/2097/18679.

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Master of Science<br>Department of Grain Science and Industry<br>Kingsly Ambrose<br>Consistent and reliable flow of bulk wheat from hoppers and silos is very significant in wheat handling and processing. Bulk wheat flow challenges such as inconsistent flow, arching, etc., are common during handling. The irregular size and non-uniformity of physical properties, the presence of impurities affects the flow behavior during discharge. Chaff and insects infested kernels are the two most common impurities present in wheat. In this research, the effect of these two impurities on their physical and flow properties of wheat were studied. Physical and flow indicators, such as bulk, tapped, particle densities, angle of repose, Hausner’s ratio, Carr index, and porosity measures the flowability of uncompacted bulk solids. Meanwhile, flow properties tested by shear testing principle based on Jenike’s method, simulated bulk wheat under pressure in bins/hoppers. The dynamic properties tested quantify the energy required to flow, compressibility and permeability at dynamic handling situations. Due to the presence of impurities and moisture content differences, bulk density and angle of repose of wheat varied from 801.54kg/m3 to 718.36kg/m3, and 23.6° to 38.4°, respectively. Angle of internal friction and wall friction angle that reflect interaction between particles and particle with bins/hopper walls, ranged from 23.95° to 43.13° and 15.46° to 20.33°, respectively. In addition to instrumental flow property evaluation, the flow profile, discharge rate, and particle velocity during hopper flow of bulk wheat was studied using Particle Image Velocimetry method. Mass flow and funnel flow hopper dimensions were used for this flow profile analysis. The discharge rate decreased from 1.67 to 1.12 kg/s for mass flow and 1.42 to 0.86 kg/s for funnel flow when the chaff in bulk wheat increased from 0% to 7.5% (weight basis). Analysis of the active flow zone indicated that bulk wheat without chaff had a uniform flow compared to wheat with chaff in the bulk. The findings from this study will be useful for design of hopper bottom bins and handling equipment based on the wheat quality and percent moisture content.
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Sevillano, Garcia Mayeya Lucero. "The Effects of Biological Control Agents on Population Growth and Spread of Melaleuca quinquenervia." Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_dissertations/406.

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The main goal of this study was to evaluate the effectiveness of two biological control agents in reducing population growth and spread of the invasive tree Melaleuca quinquenervia, a subtropical tree native to Australia, and invasive in Florida, Puerto Rico, and the Bahamas. While in Florida two insects Oxyops vitiosa (weevil), and Boreioglycaspis melaleucae (psyllid) have been established as biocontrol agents, in Puerto Rico only psyllids are present, and in the Bahamas no biocontrol agents are present. This study combined demographic data, experiments and mathematical models to investigate the influence of the biocontrol agents on M. quinquenervia's spatial population dynamics. In the field, permanent plots were established and demographic data was collected in populations in the native and exotic ranges. Australian populations are comprised mostly of tall adult trees, while in the exotic ranges populations are comprised mostly of short trees (<1.3m in height), and small adult trees. In a shade-house, I performed an experiment to investigate the effects of insect type and density on survival and growth of M. quinquenervia seedlings. I found that high density of insects, independently or in combination, reduce seedling performance, thus having the potential to alter the seedling-short plant transition of the M. quinquenervia life cycle. Based on the demographic data, I developed integral projection models (IPMs) to determine population growth rates in each region. Populations in Australia and the Bahamas are increasing, while populations in Florida and Puerto Rico are decreasing. Population growth is most sensitive to the seedling-short plant transition in all regions, except Florida, where it is most sensitive to survival of tall plants. Simulations combining the results of the IMPs and experiment indicated the biocontrol damage results in reductions in population growth rate in Puerto Rico and the Bahamas. Seed dispersal and demographic data was combined to develop an integrodifference structured model of population spread. Simulations indicated that by reducing seedling performance, insects have the potential to reduce the rate of population spread. Overall this study shows that individual-level effects of biocontrol agents have translated into reductions in population growth rate and rate of spread of M. quinquenervia.
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Karunakaran, Chithra. "Soft X-ray inspection of wheat kernels to detect infestations by stored-grain insects." 2002. http://hdl.handle.net/1993/19676.

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Books on the topic "Kermes (Insect)"

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Dori, Zekharyah. Tolaʻat ha-shani: Ḳermiz ṿe-kermil : tsevaʻ zehori ba-Mishkan uva-Miḳdash. 2-ге вид. Z. Dori, 1996.

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Rozenberg, Yiśraʼel. Ḳunṭres Merkavo argaman. 2013.

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Book chapters on the topic "Kermes (Insect)"

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"Human Uses." In The Chemistry of Plants and Insects: Plants, Bugs, and Molecules. The Royal Society of Chemistry, 2017. http://dx.doi.org/10.1039/bk9781782624486-00139.

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Many plant–insect interactions crucially affect human lives, like pollination of crops or insect infestations of useful plants. Some directly benefit our lives. Honey bees produce honey from floral nectars. The composition of honey is discussed. Adulteration of honey can be detected by H-NMR techniques. The chemical composition of beeswax is described and compared with fats and oils and paraffin wax from crude oil. Silk is produced by silk moths whose larvae are raised on a diet of mulberry leaves. Silk, the strongest natural fiber, consists of two main proteins: fibroin and sericin. Several secondary plant metabolites in mulberry leaves make them attractive to silk moth caterpillars. Kermes, a red dye, is derived from the kermes scale insect Kermes vermilio that feeds on kermes oaks. Cochineal is a red dye obtained from the cochineal scale insect (Dactylopius coccus) that lives on cactus pads of the genus Opuntia. Both are anthraquinone dyes. Plant compounds that repel or kill herbivorous insects have diverse chemical structures. Azadirachtin from the neem tree and pyrethrins from the pyrethrum plant are examples of strong insect repellents from plants. Pyrethroids are synthetically derived from pyrethrins. Rotenone from the roots of Derris sp. is a broad-spectrum pesticide. Nicotine is a potent and highly toxic broad-spectrum insecticide. The natural compounds inspired the development of synthetic products.
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Kobylka, R., and M. Molenda. "DEM Analysis of Loads on Disc Inserts Immersed in Grain During Silo Filling and Discharge." In Discrete Element Modelling of Particulate Media. The Royal Society of Chemistry, 2012. http://dx.doi.org/10.1039/bk9781849733601-00158.

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The discrete element method (DEM) was used to estimate vertical loads on discs embedded in wheat during unloading of a model silo. DEM simulations were performed with an assembly of 40000 spherical particles, 3.8 mm in diameter, filling 0.1 m in diameter D cylindrical container. Material parameters of particles were chosen as measured for wheat kernels. Five disk inserts (with disc diameters to silo diameter d/D ratios as those used in laboratory experiments) were axially suspended at height h of h/D = 0.5 in the container and vertical loads on discs during filling and discharge were estimated. Insert loads during silo discharge were found in good agreement (up to certain disc diameter) with experimental results. The ratio of the mass of material in laboratory and numerical experiments was found a good scaling factor.
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Conference papers on the topic "Kermes (Insect)"

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Li, Kan, and Jose C. Principe. "Automatic insect recognition using optical flight dynamics modeled by kernel adaptive ARMA network." In 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2017. http://dx.doi.org/10.1109/icassp.2017.7952652.

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Tom C. Pearson and Daniel L. Brabec. "Automated detection of hidden internal insect infestations in wheat kernels using electrical conductance." In 2002 Chicago, IL July 28-31, 2002. American Society of Agricultural and Biological Engineers, 2002. http://dx.doi.org/10.13031/2013.9331.

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Yang, Hengye, Joy Putney, Usama Bin Sikandar, Pingping Zhu, Simon Sponberg, and Silvia Ferrari. "A Relative Spike-Timing Approach to Kernel-Based Decoding Demonstrated for Insect Flight Experiments." In 2022 International Joint Conference on Neural Networks (IJCNN). IEEE, 2022. http://dx.doi.org/10.1109/ijcnn55064.2022.9892352.

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Pal, Debashish, Joseph A. O'Sullivan, Heyu Wu, and Yuan-Chuan Tai. "Generalized 3D Kernel Computation Method and Its Application in PET-Insert System." In 2006 IEEE Nuclear Science Symposium Conference Record. IEEE, 2006. http://dx.doi.org/10.1109/nssmic.2006.354228.

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Elizabeth B. Maghirang, Floyd E. Dowell, James E. Baker, and James E. Throne. "Detecting Single Wheat Kernels Containing Live or Dead Insects Using Near-Infrared Reflectance Spectroscopy." In 2002 Chicago, IL July 28-31, 2002. American Society of Agricultural and Biological Engineers, 2002. http://dx.doi.org/10.13031/2013.10449.

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Hung, David L. S., Hao Chen, Min Xu, Jie Yang, and Hanyang Zhuang. "Experimental Investigation of the Variations of Early Flame Development in a Spark-Ignition Direct-Injection Optical Engine." In ASME 2013 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icef2013-19089.

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Experiments under two intake air swirl levels (swirl ratio of 0.55 and 5.68) were conducted to investigate the early flame development of combustion in a single-cylinder spark-ignition direct-injection engine. The engine was equipped with a quartz insert in the piston which provided an optical access to its cylinder through the piston. The crank angle resolved combustion images through the piston window and in-cylinder pressure measurements of 250 cycles were recorded simultaneously for both swirl levels at a specified engine speed and low load condition. The early development, size and spatial characteristics extracted from the flame images were analyzed as a function of crank angle degrees after the ignition. Experimental results revealed that the early flame development was strongly influenced by the highly directed swirl motion of intake-air into the combustion cylinder. The location of the start of flame kernel relative to the spark plug position also changed intermittently at different swirl levels. While the structure of the early flame was found to be similar for both swirl levels, the starting location of the flame showed vast difference in how the flame progressed. In general, the flame kernel was formed 2 crank-angle degrees after spark timing for the high swirl level, which was 4 crank-angle degrees earlier than that of low swirl case. For low swirl flow, the early combustion showed more cycle-to-cycle variation in terms of both flame size and centroid location. It was quantitatively shown that increasing swirl ratio from 0.55 to 5.68 could reduce the cycle-to-cycle variation of early flame structure, resulting in about 3 to 4 crank-angle degrees advance of peak pressure location and 1% improvement for COV of IMEP.
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Capata, Roberto, Enrico Sciubba, and Claudia Toro. "The Gas Turbine Hybrid Vehicle LETHE™ at UDR1: The On-Board Innovative ORC Energy Recovery System — Feasibility Analysis." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-85237.

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A GTHV (gas turbine hybrid vehicle) is an electric vehicle with traction entirely electric on 1 or 2 axles, equipped with a small turbogas whose only function is that of recharging the battery pack and possibly other energy storage devices present on board. After a brief review of the history of the GTHV technology, a complete feasibility assessment of a prototype configuration of a GTHV designed by the University of Roma 1 is presented. All issues related to the system and component design, packaging, identification of the “optimal” hybridization ratio, performance of the (gas turbine + batteries + electrical motor) conversion system, braking energy recovery systems (KERS), mechanical and electric storage devices (flywheels, capacitors, advanced batteries), monitoring and control logic, compliance with the European vehicular ECE emission regulations, have been already discussed in previous papers. The present study analyzes the feasibility to insert “on-board” an innovative and patented ORC (Organic Rankine Cycle) recovery system. In fact, the thermal source on the LETHE© vehicle is a turbogas of suitable power (10 to 30 kW depending on the vehicle class). The sensible heat of the exhaust gases is an ideal thermal source for an ORC system that can feed the car conditioning system and other auxiliaries.
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