19 research outputs found
Birdhouses and production by 3D printing method
İnceliğin estetiğe, estetiğin mimariye dönüştüğü kuşevi, yaşadığımız coğrafyada,
yüzyıllar öncesi temelleri atılmış bir geleneğin, kültürel değerin günümüze ulaşan, kaybolmasından
endişe duyulan izleri olarak görülebilir. Kuşevi geleneği, teknolojik gelişmeler,
değişen toplum ihtiyaçları ve üretim teknikleri gibi bazı sebeplerle kaybolmaya
yüz tutmuş, mevcut örnekler korunamaz olmuştur. Bu makalede, kaybolmakta olan bir
geleneğin, yeni teknolojilerin kullanılması ile tekrar canlandırılması yönünde yapılan
çalışmalar paylaşıldı. Bu çalışmada bir sanatın kaybolmasına sebep olan teknolojik gelişmenin
aynı sanatı geri getirmekte veya yaşatmakta etkili olabileceği düşünüldü ve uygulaması
yapıldı.Birdhouse with aesthetics derived from common architecture, the geographical areas
we live in and traditions can be seen as traces of cultural value from centuries before.
Unfortunately, since there have been changes in architectural styles and preferences, necessities
and social groups, the culture of implementing bird houses into normal buildings
has not been preserved. In this article, studies on the revival of a lost tradition, with the
use of new technologies, were shared. In this study, it was thought that the technological
development which caused the disappearance of an art could be effective in bringing back
the same art
Unmanned Aerial Vehicle Production with Additive Manufacturing
In this study, unmanned aerial vehicle (UAV) design, analysis and production was made using selective laser sintering (SLS) system. Four different aircraft bodies were designed in the interdisciplinary project, one of the models was selected by comparing the computational fluid dynamics (CFD) analysis results. According to the numerical study, the model 4 design was found to be the most suitable among the tested models, then the design was produced with the SLS system. Finally, the actual flight test was carried out in three different weather conditions, and the results are presented here
Double Stud Cargo Fitting Research, Alternative Cargo Clip Design and Analysis
In air transportation, fixing the cargo inside the aircraft is important in terms of both flight safety and operational process. Positioning and fixing of the cargo to the aircraft within a short period of time without any risk in terms of flight safety is carried out with the use of some apparatus and subsystems within the pre-determined rules. This fixation is carried out by covering the cargo loaded onto aluminium pallets. The connection of the net on the pallet is provided by metal apparatuses known as clip (Figure 1). These apparatuses are also referred to in the aerospace industry as cargo fitting, double stud cargo fitting. In this study, the design development process of these clips in the history of aviation design, the alternative clip design work we have done and the comparative analysis of this design will be discussed. Firstly, we will address our work on cargo clip in parallel with the historical development process. In this context, different systems and apparatus design studies from the 1950s until the present day will be examined in order to load and stabilize the cargo. In our review, the design development process of cargo clip, the formation of the standard product, with the patent images of the period will be detailed. In this patent review, cargo loading system designs for cargo aircraft and apparatus patent applications designed for cargo operations were utilized
Mimari Planlamada, Günışığı Etkinliğinin Arttırılması İçin Kurgusal Tasarım Destek Modeli
Mimaride günışığı etkinliği mekânsal
kaliteyi arttıran ve insanın doğa ile
bütünleşmesini sağlayan önemli bir
mekânsal tasarım girdisidir. Sürdürülebilirlik
kavramı ile birlikte mekânsal konfor
şartlarının daha fazla iyileştirilmesi
tasarımcılardan daha fazla talep edilmeye
başlanmıştır. Enerji etkinliğinin de tasarımda
daha fazla konuşuluyor olması, bu konuların
tasarımcılar için tasarım evresinin daha
erken evrelerinde düşünülme ihtiyacını
doğurmuştur.
Çalışma tasarımcılar için günışığı bazlı bir
destek modelini oluşturmayı
amaçlamaktadır. Model kapsamında
günışığına bağlı tasarın değişkenleri ile
günışığı tasarım kriterleri ilişkilendirilmekte
olası sorunlara çözüm önerileri için temel
rehber oluşturulmaktadır.
Bu nedenle çalışmada günışığı faktörleri
tasarımcı için rol gösterici ve sistematik
biçimde ele alınarak detaylıca
açıklanmaktadır. Böylece mimari tasarımda
mimarların bu faktörleri daha erken tasarım
evresinde kullanmaları ve içselleştirmeleri
hedeflenmektedir.
Oluşturulan model tasarımcının farklı önem
derecelerinde bakabildiğini kabul ederek
destek sistemini oluşturmaktadır ve adım
adım tasarımcının yanında olarak günışığı
konusunda tecrübeli tasarımcıların davranış
ve çözüm modelini ortaya koymaktadır.
Model kapsamında farklı işlevlerin günışığı
gereklilikleri de değerlendirilmekte ve
sonuçta amaca yönelik aktif günışığı
tasarımı çözümü için tasarımcıya yardımcı
olacak bir sistem oluşturulmaktadır.
Çalışmanın sınanması bölümünde ise bir
okul yapısı seçilerek modelin çalışması
sınanmakta olası sorunların çözümleri model
tarafından oluşturulmaktadır.Daylight activity in architecture is an
important design input that increases the
spatial quality and enables the integration of
human with nature. With the concept of
sustainability, further improvement of spatial
comfort conditions has started to be
demanded increasingly from designers.
The fact that energy efficiency is also
discussed more in design has led to the need
for designers to consider these issues earlier
in the design phase.
The study aims to create a daylight based
support model for designers. Within the
scope of the model, daylight design variables
and daylight design criteria are correlated
and basic guidance is provided for solutions
to possible problems.
For this reason, daylight factors are
explained in detail in a systematic way.
Thus, it is aimed for architects to use these
factors in the early design phase and
internalize them in architectural design.
The model created constitutes the support
system by accepting that the designer can
look at different degrees of importance and
support by the designer at every stage of the
design
A Novel Synchronous Scanning Strategy in Laser Powder Bed Fusion and Effect on Mechanical Properties of Industrial Gears
The effect of LPBF process parameter change on production results has been the subject of many studies. In this study, innovative
synchronous scanning strategy in LPBF production system and the effect of this scanning strategy on industrial gears
are discussed. The scanning strategy obtained by the synchronous use of hatch distance, stripe width, and layer thickness
parameters constitutes the innovative aspect of the study. In trial productions, it was observed that the traditional melt pool
form changed and the strength increased by 25% in industrial gears produced with this scanning strategy. It is thought that
this synchronous parameter change creates a potential for the production of industrial components with reduced weight. The
scope of the study consists of parameter studies, LPBF production, material laboratory studies, microstructure, and SEM
(scanning electron microscope) examination, and compression test
Reviving Ottoman Bird Palaces and Retro Approach with Additive Manufacting Method
In recent years, three-dimensional printing technology has begun to be used as an alternative production technique
as well as classical methods with technological developments. The Additive manufacturing (AM) production
technique, which increasing use in recent years allows rapid prototyping as well as the production of complex
designs. With this technology, we wanted to take a step to revitalize the lost cultural heritage of the bird palaces
that can be expressed as miniature architectural items of the ancient Turkish culture
A review of additive manufacturing technologies in building production
Bu çalışma, mimarlık alanında kullanılan eklemeli imalat teknolojileri konusunda gerçekleştirilen bir derleme çalışmasıdır. Temel olarak, eklemeli imalatın mimarlık alanındaki uygulama alanlarını, belirli sistematik içerisinde ele alan araştırma, gerek literatürde yer alan örnekler, gerekse uygulamaları bulunan yeni teknolojiler hakkında bilgi vermeyi amaçlamaktadır. Çalışmada, karşılaştırmalı olarak incelenen üretim teknolojilerinin güçlü ve zayıf yönleri, sistemlerin kullanım alanları, sistemlerde kullanılan malzemeler, mimari alan uygulamaları özelinde ele alınmıştır. Eklemeli imalat teknolojilerinin dezavantajlarından birisi olarak bilinen yüksek üretim ve malzeme maliyetinin, zaman içerisinde üretim yöntemlerinin yaygınlaşması ile çözümleneceği öngörülmektedir. Malzeme üretimi ve teknoloji konusunda halen gelişme sürecinde olan eklemeli imalat üretim sistemleri, gelecek endüstri uygulamalarında ve mimarisinde etkin olarak kullanılacağı düşünülmektedir. Yüksek maliyet sorununa çözüm olarak, eklemeli imalat yöntemi ile kalıp üretimlerinin ilerleyen yıllarda daha fazla gündemde olacağı öngörülmektedir.This study is a review on additive manufacturing technologies used in the field of architecture. Basically, the research, which deals with the application fields of additive manufacturing in the field of architecture, within a certain systematic, aims to provide information on both the examples in the literature and new technologies with applications. In the study, the strengths and weaknesses of the production technologies analyzed comparatively, the usage areas of the systems, the materials used in the systems, and architectural field applications are discussed. It is anticipated that the high production and material costs, known as one of the disadvantages of additive manufacturing technologies, will be developed over time with the spread of production methods. Additive manufacturing production systems, which are still in the development process in material production and technology, are thought to be used effectively in future industry applications and architecture. As a solution to the high cost problem, it is anticipated that mold production will be on the agenda in the coming years with additive manufacturing method
Additive Manufacturing on the Façade: Functional use of Direct Metal Laser Sintering Hatch Distance Process Parameters in Building Envelope
Purpose – The purpose of this article is on the functional usability of metal additive manufacturing (AM) direct metal laser sintering (DMLS)
production technology process parameters in the construction industry. In the study, the advantages of thermal optimization and weight reduction
in the case of the use of foam metals obtained by changing the hatch distance the production process parameter, in the production of facade panels
in the architectural field are revealed.
Design/methodology/approach – The methods in the study; production of the small scaled facade panels with nine different hatch distance
parameters, determination of the thermal change with the infrared thermography method, microstructure examination, weight measurement.
Findings – The paper lays the groundwork for the manufacturability of lighter and lower thermal conductivity facade panels by changing the hatch
distance parameters. Within the scope of the study, the definition of semi-open-cell foam aluminum and the product screening strategy offers
innovation. Within the scope of the study, this scope is shared as an algorithmic summary. In addition, the study offers a new perspective within the
scope of multiple optimizable panel production in facade panels with AM technology.
Originality/value – Hatch distance parameter change was first discussed in this study in the architectural field, and a semi-open cell foam
aluminum panel was obtained with the scanning strategy determined within the scope of the study. This panel geometry, which is defined as semiopen cell foam aluminum, can be used as a design element by painting or coating the outer surface, it can be stated that it will also provide thermal
and weight optimization
A Novel 3D Printed Air-Cooled Fuel Cooler Heat Exchanger for Aviation Industry
Unmanned aerial vehicles are expected to complete their missions even in adverse weather
conditions. Overheating in the engine area may occur, particularly at high speeds due to
using the full engine throttle. Another design factor that affects endurance duration and
maximum take-off weight is the weight of the unmanned aerial vehicle heat exchanger. In
this paper, a new type of air-cooled fuel cooler heat exchanger is proposed to reduce the
total weight of the heat exchanger by increasing cooling performance through the design
flexibility offered by additive manufacturing. The printed circuit heat exchanger has a circular cross-section to prevent dead bends in the heat transfer surfaces and feed coolant air
directly onto the fins and circulation pipes. Twisted fins and piping structure were adjusted
so they could be produced without any support, generate turbulence, and reduce total
weight. The fluid flow and heat transfer characteristics of novel and conventional heat
exchangers were simulated in 3D. The flow physics of both exchangers were studied to
determine how the new design enhances heat transfer. Numerical results showed that the
new heat exchanger has 55.6% more cooling capacity than the conventional one. The heat
exchanger weight was decreased from 774 to 263 g
The Novel Hybrid Lattice Structure Approach Fabricated by Laser Powder Bed Fusion and Mechanical Properties Comparison
Aluminum-based cellular structures are gaining a huge traction in several applications, including lightweight
aircraft, military equipment, and heat exchangers. With additive manufacturing, the fabrication of complex
periodic cellular structures with any unit cell form, size, and volume fraction has become a lot easier, allowing
for more investment, research, and attention from both academia and industry. The aim of the research was to
assess the manufacturability and performance of AlSi10Mg periodic cellular structures generated using the laser
powder bed fusion process. Re-entrant and triply periodic and minimum surface (TPMS) gyroid cells were
hybridized into a single cellular structure having identical volume fraction. Because of distinct mechanical
properties of TPMS and re-entrant types, these cells were selected and assembled in various patterns to study
their manufacturability, deformation behavior, energy absorption, and compressive strength. This work demonstrates good geometric agreement between the manufactured hybrid lattice structures and computer-aided
design models. Hybridized structures with several repeated layers of TPMS gyroid and re-entrant cells can
result in superior compressive strength and energy absorption than those with only few large layers