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Anaerobic Photosynthesizers and their Potential to Create a Biosphere on the Surface of the Red Planet 厌氧光合作用及其在火星表面创造生物圈的潜力
Technology in Aerospace Engineering Pub Date : 2023-06-22 DOI: 10.30699/jtae.2023.7.2.5
F. Mousavi
{"title":"Anaerobic Photosynthesizers and their Potential to Create a Biosphere on the Surface of the Red Planet","authors":"F. Mousavi","doi":"10.30699/jtae.2023.7.2.5","DOIUrl":"https://doi.org/10.30699/jtae.2023.7.2.5","url":null,"abstract":"The atmosphere of the Red Planet or Mars contains 95% of carbon dioxide, 3% of nitrogen, 1.6% of argon and only a small amount of oxygen, and in terms of concentration is about one percent of the planet's atmosphere, which makes it virtually impossible for humans to live and survive on Mars. Therefore, it is necessary to find a solution that can provide the necessary oxygen for the survival of living organisms, especially humans, in the Martian atmosphere. Photosynthesis is the most important biochemical reaction on which almost all life depends. This complex process occurs in higher plants, algae and some bacteria such as cyanobacteria. Due to the very low percentage of oxygen in the Martian atmosphere, it seems that the use of photosynthetic species that are anaerobic and tolerant of adverse ecological conditions such as cyanobacteria can provide the oxygen needed by the Red Planet.","PeriodicalId":412927,"journal":{"name":"Technology in Aerospace Engineering","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126428891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Aerodynamic/Aeroacoustic Numerical Simulation and Manufaturing of a Sample Morphing Wing in Twisted Mode 扭曲模态变形机翼的气动/气动声学数值模拟与制造
Technology in Aerospace Engineering Pub Date : 2023-06-22 DOI: 10.30699/jtae.2023.7.2.1
Reza Harbi Monfared, M. Taeibi Rahni, M. Zareh
{"title":"Aerodynamic/Aeroacoustic Numerical Simulation and Manufaturing of a Sample Morphing Wing in Twisted Mode","authors":"Reza Harbi Monfared, M. Taeibi Rahni, M. Zareh","doi":"10.30699/jtae.2023.7.2.1","DOIUrl":"https://doi.org/10.30699/jtae.2023.7.2.1","url":null,"abstract":"Inspiring from bird’s wings and flights has long been a fascinating subject. In recent years, due to advent of materials and implementation of bird’s flights, use of morphing wings have created considerable changes in scientific issues related to air vehicles. In this article, for the first time, aerodynamic and aeroacoustic studies of a type of (twist) morphing wing are performed. The main pupose of this article is to numerically investigate aerodynamics and aeroacoustics of a twisted morphing wing for a geometry similar to Shahed-129 UAV. In the manufaturing part of this article, a new method is introduced, which uses actuators to change the wing’s shape. In this article, k- ω-SST modeling for turbulent flow and Fluent software were used. Our results show that with increase of twist angle and attack angle of up to 15 degrees, both lift and drag increase. In addition, at the same angle of attack, for high twist angles, increasing twist angle increases the growth of vortices, causesing a small increase in lift coefficient.","PeriodicalId":412927,"journal":{"name":"Technology in Aerospace Engineering","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125302182","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Investigation of the effect of parameters of a nonlinear dynamic absorber on reducing the vibration amplitude of a nonlinear system 非线性动力吸振器参数对非线性系统减振幅值影响的研究
Technology in Aerospace Engineering Pub Date : 2023-04-21 DOI: 10.30699/jtae.2023.7.1.5
Mohammad Mahdi Nazari, A. Rahi
{"title":"Investigation of the effect of parameters of a nonlinear dynamic absorber on reducing the vibration amplitude of a nonlinear system","authors":"Mohammad Mahdi Nazari, A. Rahi","doi":"10.30699/jtae.2023.7.1.5","DOIUrl":"https://doi.org/10.30699/jtae.2023.7.1.5","url":null,"abstract":"","PeriodicalId":412927,"journal":{"name":"Technology in Aerospace Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129565620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simulation of the Bypass Dual Throat Nozzle and investigation of parameters affecting the change of thrust vector angle 旁路双喉喷管仿真及影响推力矢量角变化的参数研究
Technology in Aerospace Engineering Pub Date : 2023-04-21 DOI: 10.30699/jtae.2023.7.1.3
Amir Mohammad Neyzan Hosseini, H. Mahdavy-Moghaddam
{"title":"Simulation of the Bypass Dual Throat Nozzle and investigation of parameters affecting the change of thrust vector angle","authors":"Amir Mohammad Neyzan Hosseini, H. Mahdavy-Moghaddam","doi":"10.30699/jtae.2023.7.1.3","DOIUrl":"https://doi.org/10.30699/jtae.2023.7.1.3","url":null,"abstract":"A new method for controlling the thrust vector is the use of Bypass Dual Throat Nozzle (BDTN). The aim of this study was to investigate the effects of three parameters including secondary flow injection angle, secondary flow injection location and bypass section geometry on the deflection angle of the thrust vector. The model is simulated in both two and three dimensional for a Dual Throat Nozzle. The results show that by increasing injection angle of the secondary flow, the deflection angle of the thrust vector decreases by about 27%. Also, by placing the location of secondary flow injection after the throat, we can see the deviation of the thrust vector angle is more than the flow injection before the throat. The largest difference between the injection mode in the throat and the injection after the throat is about 25% and the largest deviation of the thrust vector angle occurred at an angle of 45 degrees at the injection position in the throat. Also, in three-dimensional simulation, three cross sections (rectangular, square and circular) with the same area for the bypass channel were compared in terms of the deviation of the thrust vector angle. In this study, the canal with rectangular cross section in most cases has deviated about 3.7% more than the circular cross section of the thrust vector angle.","PeriodicalId":412927,"journal":{"name":"Technology in Aerospace Engineering","volume":"24 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128450353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of plant cell culture models for space studies 用于空间研究的植物细胞培养模型研究
Technology in Aerospace Engineering Pub Date : 2023-04-21 DOI: 10.30699/jtae.2023.7.1.2
H. Hassanpour
{"title":"Investigation of plant cell culture models for space studies","authors":"H. Hassanpour","doi":"10.30699/jtae.2023.7.1.2","DOIUrl":"https://doi.org/10.30699/jtae.2023.7.1.2","url":null,"abstract":"","PeriodicalId":412927,"journal":{"name":"Technology in Aerospace Engineering","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122831937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Flutter analysis of a CNT-reinforced composite beam carrying an attached mass in the supersonic flow 载重碳纳米管增强复合材料梁在超音速流动中的颤振分析
Technology in Aerospace Engineering Pub Date : 2023-04-21 DOI: 10.30699/jtae.2023.7.1.6
Reza Maboodi, H. Shokrollahi, M. Esmaeili
{"title":"Flutter analysis of a CNT-reinforced composite beam carrying an attached mass in the supersonic flow","authors":"Reza Maboodi, H. Shokrollahi, M. Esmaeili","doi":"10.30699/jtae.2023.7.1.6","DOIUrl":"https://doi.org/10.30699/jtae.2023.7.1.6","url":null,"abstract":"هلولونان اب هدش تیوقت یتیزوپماک ریت رتلاف هلاقم نیا رد ک یاه یم هئارا و لیلحت هلصتم مرج یاراد ینبر .دوش یرادیاپان کیتسلااوریآ کی ریت لیطتسم عطقم اب لکش طیارش اب هیکت یهاگ هدش یسررب هلصتم مرج تارثا هارمه هب فلتخم تسا . نینچمه ریت اب یروئت هبترم لوا یشرب و اب رد رظن نتفرگ تارثا تیوقت هدننک هلولونان ینبرک ش هتفرگ رظن رد و تسا هد یارب نیمخت راشف یکیمانیدوریآ زا یروئت نوتسیپ هدافتسا هدیدرگ .تسا تلاداعم مکاح رب تاشاعترا نیا متسیس یکیمانید رب ساسا لصا نوتلیمه نییعت هدیدرگ تسا و سپس اب لح تلاداعم هب کمک شور هتفای میمعت یلضافت تاعبرم رد تیاهن سناکرف یعیبط متسیس یکیمانید روکذم .دیدرگ هبساحم تارثا ،هلاقم نیا رد نینچمه تیوقت هدننک ینبرک هلولونان مرج و هلصتم رب سناکرف و یرادیاپ هتخادرپ ریت هدش زیامت هجو .تسا نتفرگ رظن رد ،نیشیپ یاهراک اب شهوژپ نیا عیزوت اب( ریت رد ینبرک هلولونان هدننک تیوقت رثا ود بیکرت و )تماخض یاتسار رد فلتخم یاه ،ریت هب هلصتم مرج تسا نامزمه تروص هب یم ناشن جیاتن . ادیپ شهاک سناکرف تماخض هب لوط تبسن شیازفا اب یزرم طیارش هیلک رد تخاونکی عیزوت اب دعب یب سناکرف دهد یم یشهاک عیزوت اب رادریگرسکیریت یارب رتلاف هدیدپ نینچمه ،دنک یم رت بولطم تخاونکی عیزوت هب تبسن یشیازفا ب رادریگرسکی ریت یارب مرج تکرح اب و ،دشا یم ادیپ شهاک سناکرف ریت زکرم هب ریت یادتبا زا دنک . هژاو :یدیلك یاه ت ،رتلاف ی ر زوپماك ی ت ی ، نبرك هلولونان ی ، هلصتم مرج","PeriodicalId":412927,"journal":{"name":"Technology in Aerospace Engineering","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130631284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Introduction to Space Debris Capturing Methods 空间碎片捕获方法简介
Technology in Aerospace Engineering Pub Date : 2023-04-21 DOI: 10.30699/jtae.2023.7.1.1
Alireza Nazari Karadeh, Alireza Alikhani, M. Azimi
{"title":"Introduction to Space Debris Capturing Methods","authors":"Alireza Nazari Karadeh, Alireza Alikhani, M. Azimi","doi":"10.30699/jtae.2023.7.1.1","DOIUrl":"https://doi.org/10.30699/jtae.2023.7.1.1","url":null,"abstract":"Space debris is considered a serious problem for space operational missions. Many methods of capturing space debris have been proposed in the last decade and have been tested by various ground-based and sub-orbital flight methods. Space debris is usually an unusual and unknown object, and capturing and collecting them differs significantly from the objectives of conventional space missions in orbit and is considerably challenging. One of the most important considerations is how to safely capture and remove the unusual and unknown target without generating other space debris. In this article, we have tried to present the different methods and activities performed for the capturing of space debris along with their advantages and disadvantages.","PeriodicalId":412927,"journal":{"name":"Technology in Aerospace Engineering","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133537598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental Investigation on low cycle Fatigue Behavior of Al6061/SiC composite Fabricated by Friction Stir Processing 搅拌摩擦加工Al6061/SiC复合材料低周疲劳性能试验研究
Technology in Aerospace Engineering Pub Date : 2023-04-21 DOI: 10.30699/jtae.2023.7.1.4
Mohammad Jelokhani Niaraki, hossein torabian, Simin kamali rousta
{"title":"Experimental Investigation on low cycle Fatigue Behavior of Al6061/SiC composite Fabricated by Friction Stir Processing","authors":"Mohammad Jelokhani Niaraki, hossein torabian, Simin kamali rousta","doi":"10.30699/jtae.2023.7.1.4","DOIUrl":"https://doi.org/10.30699/jtae.2023.7.1.4","url":null,"abstract":"According to friction stir processing for production of surface composites with constant progress and rotational speed","PeriodicalId":412927,"journal":{"name":"Technology in Aerospace Engineering","volume":"67 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125938593","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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