LENG102 FRESHMAN ENGLISH – Extensive supporting material
Unit 9 – Theory and practice
Please give feedback to Instructor Ali Esin SÜT – aliesins@gmail.com
The definitions and sample sentences:
1. Scale (n): The size of something relative to another thing.
•Sentence: "The model airplane was built at a 1:10 scale compared to the real aircraft."
•Turkish: Ölçek (n): Bir şeyin diğerine göre büyüklüğü.
•Turkish Sentence: Gerçek uçağa göre 1:10 ölçekli model uçak yapıldı.
2. Computer Models and Simulations: Representations of a system or process using a computer program.
•Sentence: "Engineers used computer models and simulations to predict the behavior of the bridge under stress."
•Turkish: Bilgisayar Modelleri ve Simülasyonları: Bir sistemin veya sürecin bir bilgisayar programı kullanılarak temsili.
•Turkish Sentence: Mühendisler, köprünün stres altında davranışını tahmin etmek için bilgisayar modelleri ve simülasyonları kullandılar.
3. Reduced-scale testing: Testing a smaller version of something to learn about the full-scale version.
•Sentence: " Reduced-scale testing of the car's design helped identify potential weaknesses before building the full vehicle."
•Turkish: Küçültülmüş Ölçekli Test: Tam ölçekli versiyon hakkında bilgi edinmek için daha küçük bir versiyonun test edilmesi.
•Turkish Sentence: Arabanın tasarımının küçültülmüş ölçekli testi, tam araç inşa edilmeden önce potansiyel zayıflıkların tespit edilmesine yardımcı oldu.
4. Full-scale testing: Testing something in its actual size and operating conditions.
•Sentence: The full-scale testing of the rocket was conducted at a launch facility.
•Turkish: Tam Ölçekli Test: Bir şeyin gerçek boyutunda ve çalışma koşullarında test edilmesi.
•Turkish Sentence: Roketin tam ölçekli testi bir fırlatma tesisinde yapıldı.
5. Development Tools: Equipment or software used to create or improve something.
•Sentence: 3D printing is becoming a popular development tool for engineers in prototyping new products.
•Turkish: Geliştirme Araçları: Yeni ürünlerin prototiplerini oluşturmak veya geliştirmek için kullanılan ekipman veya yazılım.
•Turkish Sentence: 3D baskı, mühendisler arasında yeni ürünlerin prototiplenmesinde popüler bir geliştirme aracı haline geliyor.
6. Aerodynamics: The study of how air interacts with moving objects.
•Sentence: Understanding aerodynamics is crucial for designing airplanes that fly efficiently.
•Turkish: Aerodinamik: Havanın hareketli cisimlerle nasıl etkileşime girdiğini inceleyen bilim dalı.
•Turkish Sentence: Uçakların verimli bir şekilde uçmasını sağlamak için aerodinamiği anlamak çok önemlidir.
7. Aerodynamic Testing: The process of evaluating the aerodynamic properties of a design.
•Sentence: Aerodynamic testing in a wind tunnel can help identify areas for improvement in a car's design.
•Turkish: Aerodinamik Test: Bir tasarımın aerodinamik özelliklerini değerlendirme süreci.
•Turkish Sentence: Rüzgar tünelinde yapılan aerodinamik testler, bir arabanın tasarımında iyileştirilebilecek alanları belirlemeye yardımcı olabilir.
8. Computational Fluid Dynamics (CFD): A computer program used to simulate fluid flow around objects.
•Sentence: CFD is a valuable tool for engineers in aerodynamic testing.
•Turkish: Hesaplamalı Akışkanlar Dinamiği (HAD): Nesnelerin çevresindeki akışkan akışını simüle etmek için kullanılan bir bilgisayar programı.
•Turkish Sentence: HAD, mühendisler için aerodinamik testlerde değerli bir araçtır.
9. Wind Tunnel: A closed chamber used to simulate airflow around objects.
•Sentence: The airplane model was placed in a wind tunnel to test its aerodynamic performance.
•Turkish: Rüzgar Tüneli: Nesnelerin çevresindeki hava akışını simüle etmek için kullanılan kapalı bir oda.
•Turkish Sentence: Uçak modeli, aerodinamik performansını test etmek için bir rüzgar tüneline yerleştirildi.
10. To be equipped with (v): To have something as part of its features or design.
•Sentence: The new car is equipped with a variety of safety features.
•Turkish: Donanım olmak (fiil): Bir şeyin özelliklerinin veya tasarımının bir parçası olarak sahip olmak.
•Turkish Sentence: Yeni araba çeşitli güvenlik özellikleri ile donatılmıştır.
11. Rolling Road (n): A machine that simulates driving conditions for testing vehicles.
•Sentence: The car's engine performance was tested on a rolling road.
•Turkish: Dönen Yol (isim): Araçları test etmek için sürüş koşullarını simüle eden bir makine.
•Turkish Sentence: Arabanın motor performansı dönen yolda test edildi.
12. Reliability (n): The ability of something to perform consistently and without failure.
•Sentence: Reliability is a key factor to consider when choosing an engine for a car.
•Turkish: Güvenilirlik (isim): Bir şeyin tutarlı bir şekilde ve arıza yapmadan performans gösterme yeteneği.
•Turkish Sentence: Araba için motor seçerken güvenilirlik önemli bir faktördür.
13. Reliable (adj): Able to be depended on to work well and consistently.
•Sentence: This brand of engine is known for being reliable.
•Turkish: Güvenilir (sıfat): İyi ve tutarlı bir şekilde çalışması beklenen.
•Turkish Sentence: Bu marka motor, güvenilirliğiyle bilinir.
14. Field Testing: Testing a product or system in real-world conditions.
•Sentence: The new software will undergo field testing before being released to the public.
•Turkish: Saha Testi: Bir ürünü veya sistemi gerçek dünya koşullarında test etme.
•Turkish Sentence: Yeni yazılım halka sunulmadan önce saha testinden geçecek.
15. Collaborate (v): To work together on a project or task.
•Sentence: Engineers from different departments collaborated on the design of the new bridge.
•Turkish: İşbirliği yapmak (fiil): Bir proje veya görev üzerinde birlikte çalışmak.
•Turkish Sentence: Farklı departmanlardan mühendisler, yeni köprünün tasarımında işbirliği yaptılar.
16. Turbulence (n): Irregular and unpredictable movement in a fluid.
•Sentence: Turbulence can cause discomfort for passengers on airplanes.
•Turkish: Türbülans (isim): Bir akışkandaki düzensiz ve öngörülemeyen hareket.
•Turkish Sentence: Türbülans, uçak yolcuları için rahatsızlığa neden olabilir.
17. Enclosed (adj): Surrounded on all sides.
•Sentence: The experiment was conducted in an enclosed chamber.
•Turkish: Kapalı (sıfat): Her tarafı çevrili.
•Turkish Sentence: Deney, kapalı bir odada yapıldı.
18. In Isolation: Alone or separate from others.
•Sentence: It's important to test each component in isolation before integrating them into the system.
•Turkish: İzolasyon içinde: Tek başına veya diğerlerinden ayrı.
•Turkish Sentence: Her bir bileşeni sisteme entegre etmeden önce izolasyon içinde test etmek önemlidir.
19. As a Combination: Together or working jointly.
•Sentence: The different parts of the engine work as a combination to create power.
•Turkish: Kombinasyon Olarak: Birlikte veya birlikte çalışan.
•Turkish Sentence: Motorun farklı parçaları güç oluşturmak için kombinasyon halinde çalışır.
20. To Bear in Mind (v): To remember or consider something.
•Sentence: Bear in mind the user's needs when designing a new product.
•Turkish: Akılda Tutmak (fiil): Yeni bir ürün tasarlarken kullanıcının ihtiyaçlarını akılda tutun.
•Turkish Sentence: Yeni bir ürün tasarlarken kullanıcının ihtiyaçlarını akılda tutun.
21. The Acid Test: A very difficult or challenging test that reveals the true qualities of something.
•Sentence: Putting the new phone through the acid test helped identify its strengths and weaknesses.
•Turkish: Asıl Test (deyim): Bir şeyin gerçek niteliklerini ortaya çıkaran çok zor veya çetin bir test.
•Turkish Sentence: Yeni telefonu asıl teste tabi tutmak, güçlü ve zayıf yönlerini belirlemeye yardımcı oldu.
22. Back-to-Back Testing: Comparing two different versions of something to see which one performs better.
•Sentence: Back-to-back testing of the two software versions helped determine which one was more user-friendly.
•Turkish: Arka Arkaya Test (deyim): Hangi performansın daha iyi olduğunu görmek için iki farklı sürümü karşılaştırma.
•Turkish Sentence: İki yazılım sürümünün arka arkaya testi, hangisinin daha kullanıcı dostu olduğunu belirlemeye yardımcı oldu.
23. In the Field: In a real-world setting, outside of a controlled environment.
•Sentence: The new material will be tested in the field to see how it performs under different weather conditions.
•Turkish: Sahada: Kontrollü bir ortamın dışında, gerçek bir ortamda.
•Turkish Sentence: Yeni malzeme, farklı hava koşullarında nasıl performans gösterdiğini görmek için sahada test edilecek.
24. Mock-up (n): A full-scale model used for testing or demonstration purposes.
•Sentence: The engineers built a mock-up of the airplane to test the ergonomics of the cockpit.
•Turkish: Maketi (isim): Test veya gösteri amaçlı kullanılan tam ölçekli model.
•Turkish Sentence: Mühendisler, kokpitin ergonomisini test etmek için uçağın bir maketini inşa ettiler.
25. Trial (n): An attempt or experiment to test something.
•Sentence: The company is conducting a trial of a new self-driving car technology.
•Turkish: Deneme (isim): Bir şeyi test etmek için yapılan bir girişim veya deney.
•Turkish Sentence: Şirket, kendi kendini süren araba teknolojisi için bir deneme yürütüyor.
26. Trial Run (n): A practice run done before an actual event.
•Sentence: The pilot crew conducted a trial run before takeoff to ensure everything was functioning properly.
•Turkish: Deneme Uçuşu (isim): Gerçek bir olaydan önce yapılan bir deneme koşusu.
•Turkish Sentence: Pilot ekibi, her şeyin düzgün çalıştığından emin olmak için kalkıştan önce bir deneme uçuşu gerçekleştirdi.
27. Tried-and-Tested (adj): Proven to be reliable or effective through experience.
•Sentence: This is a tried-and-tested method for repairing a flat tire.
•Turkish: D denenmiş ve kanıtlanmış (sıfat): Deneyim yoluyla güvenilir veya etkili olduğu kanıtlanmış.
•Turkish Sentence: Bu, patlak bir lastiği onarmak için denenmiş ve kanıtlanmış bir yöntemdir.
28. Validate (v): To confirm the accuracy or effectiveness of something.
•Sentence: The research team is validating the results of the experiment.
•Turkish: Doğrulamak (fiil): Bir şeyin doğruluğunu veya etkinliğini onaylamak.
•Turkish Sentence: Araştırma ekibi, deneyin sonuçlarını doğrulamaktadır.
29. Invalidate (v): To prove something to be false or ineffective.
•Sentence: New evidence invalidated the previously held theory.
•Turkish: Geçersiz Kılmak (fiil): Bir şeyin yanlış veya etkisiz olduğunu kanıtlamak.
•Turkish Sentence: Yeni kanıtlar, daha önce kabul edilen teoriyi geçersiz kıldı.
30. Virtual (adj): Existing or done on a computer rather than in the physical world.
•Sentence: The team used a virtual reality simulation to train the astronauts.
•Turkish: Sanal (sıfat): Fiziksel dünyada değil, bilgisayarda var olan veya yapılan.
•Turkish Sentence: Ekip, astronotları eğitmek için sanal gerçeklik simülasyonu kullandı.
31. Simulate (v): To imitate the behavior of something using a computer model.
•Sentence: Engineers can simulate the crashworthiness of a car using computer software.
•Turkish: Simüle Etmek (fiil): Bir şeyin davranışını bilgisayar modeli kullanarak taklit etmek.
•Turkish Sentence: Mühendisler, bir arabanın çarpışma dayanıklılığını bilgisayar yazılımı kullanarak simüle edebilirler.
32. Relatively (adv): In comparison to something else.
•Sentence: The new material is relatively lightweight and strong.
•Turkish: Karşılaştırıldığında (zarf): Başka bir şeyle karşılaştırıldığında.
•Turkish Sentence: Yeni malzeme nispeten hafif ve güçlüdür.
33. Fragile (adj): Easily broken or damaged.
•Sentence: The fragile components need to be handled with care.
•Turkish: Kırılgan (sıfat): Kolayca kırılan veya hasar gören.
•Turkish Sentence: Kırılgan bileşenlerin dikkatli bir şekilde ele alınması gerekir.
34. Air-dropped (adj): Dropped from an airplane.
•Sentence: Air-dropped supplies provided relief to the isolated village.
•Turkish: Havadan Atılan (sıfat): Uçaktan atılan.
•Turkish Sentence: Havadan atılan malzemeler izole köy halkına yardım sağladı.
35. Air-dropping Cargo (n): Supplies or equipment dropped from an airplane.
•Sentence: The military conducted a training exercise involving air-dropping cargo.
•Turkish: Havadan Atılan Kargo (isim): Uçaktan atılan malzeme veya ekipman.
•Turkish Sentence: Askeriye, havadan atılan kargoyu içeren bir eğitim tatbikatı gerçekleştirdi.
36. Deformable (adj): Able to be bent or shaped without breaking.
•Sentence: The car bumper is made of a deformable material to absorb impact.
•Turkish: Deforme Olabilir (sıfat): Kırılmadan eğilebilen veya şekillendirilebilen.
•Turkish Sentence: Araba tamponu, darbeyi emmek için deforme olabilen bir malzemeden yapılmıştır.
37. Maximise (v): To increase something to the greatest possible amount.
•Sentence: Engineers are working to maximise the fuel efficiency of the new engine.
•Turkish: Maksimize Etmek (fiil): Bir şeyi mümkün olan en yüksek miktara çıkarmak.
•Turkish Sentence: Mühendisler, yeni motorun yakıt verimliliğini maksimize etmek için çalışıyorlar.
READING
Read the text below and answer the questions (B1 level)
Bringing Ideas to Flight: The Aerodynamic Design Process
Imagine a sleek airplane soaring effortlessly through the clouds, a race car hugging the track with minimal resistance, or even a high-speed train gliding silently on a bed of air. Behind these marvels of modern engineering lies a fascinating process: aerodynamic design. It's more than just shaping an object to look good; it's about understanding the intricate dance between air and an object's scale (size) and shape to achieve optimal performance. Here's where the magic happens:
The Birth of an Idea:
The journey begins with a spark of creativity. Engineers translate their vision into computer models and simulations. These virtual representations allow them to experiment with different shapes and configurations. Software like Computational Fluid Dynamics (CFD) acts as a virtual wind tunnel, simulating airflow around the design. This helps identify potential weak spots, like areas of high drag or turbulence, before any physical prototypes are built.
Testing, Testing, One, Two, Three:
The next step involves reduced-scale testing. Imagine miniature versions of airplanes or cars built with meticulous detail. These scaled-down models are often placed inside wind tunnels. These enclosed chambers act as controlled environments, where engineers can manipulate airflow and measure the model's aerodynamic properties. Reduced-scale testing is crucial, allowing for quick and relatively inexpensive evaluations. However, it's important to remember that scaling effects can sometimes introduce limitations - what works on a small model might not translate perfectly to the full-size version.
The Ultimate Challenge: Full-Scale Testing
This is where the rubber meets the road, or rather, the air meets the wings. Full-scale testing is the ultimate acid test. The full-size prototype, often equipped with a multitude of sensors, undergoes rigorous evaluation in the field. For airplanes, this might involve test flights, while cars might be tested on a rolling road that simulates real-world driving conditions. Full-scale testing takes into account real-world factors like turbulence, unpredictable wind patterns, and the true impact of air resistance on the full-size object.
Collaboration is Key:
Throughout this process, engineers from various disciplines collaborate seamlessly. Aerodynamicists work with structural engineers to ensure the design is strong and lightweight. Human factors specialists are brought in to consider passenger comfort and ergonomics. Sometimes, a full-scale mock-up is built to test the functionality and user interaction with the design before finalizing the production model.
Refining the Design: Trials and Validations
The journey doesn't end with testing. Data is meticulously analyzed to validate the design's performance. Engineers might identify areas that require further refinement. This is where trials and trial runs come into play. Modifications are made based on the collected data, and the design undergoes further testing to ensure optimal performance. This iterative process, relying on tried-and-tested methods, guarantees a final product that is not only aesthetically pleasing but also aerodynamically sound.
The Final Reward: Efficiency Takes Flight
The ultimate goal is to maximize efficiency and safety. By skillfully combining these techniques, engineers transform aerodynamic ideas into reality. These creations, from airplanes soaring gracefully through the clouds to high-speed trains gliding effortlessly, are a testament to the art and science of aerodynamic design.
1. What is the main purpose of aerodynamic design, according to the text?
(a) To understand how air interacts with objects for optimal performance.
(b) To create aesthetically pleasing objects.
(c) To build miniature models of vehicles.
(d) To simulate flights on computers.
2. The text mentions "computer models and simulations. What role do these play in the early stages of aerodynamic design?
(a) To identify the best materials for construction. (b) To virtually test different shapes and configurations.
(c) To control airflow in a wind tunnel. (d) To analyze data from full-scale testing.
3. What is the advantage of reduced-scale testing compared to full-scale testing?
(a) It provides a more realistic picture of air resistance.
(b) It allows for testing under real-world conditions.
(c) It is a quicker and more cost-effective method.
(d) It is more accurate for evaluating aerodynamic properties.
4. Why is full-scale testing considered the "acid test" in aerodynamic design?
(a) It involves collaborating with engineers from various disciplines.
(b) It allows for testing the functionality of a mock-up.
(c) It provides the most accurate data about the design's performance.
(d) It is the final stage of the design process.
5. What does the phrase "collaboration is key" suggest about the process of aerodynamic design?
(a) It is primarily an individual effort of an engineer.
(b) It emphasizes the importance of computer simulations.
(c) It focuses solely on testing the design in a wind tunnel.
(d) It requires input from specialists with different areas of expertise.
6. The text mentions "trials and validations”. What happens during this stage of the design process?
(a) The final production model is built.
(b) The design undergoes further refinement based on testing data.
(c) Engineers collaborate to create a computer model.
(d) The object is tested in a controlled environment.
7. The passage uses airplanes, race cars, and high-speed trains as examples. What do these all have in common in relation to aerodynamic design?
(a) They all require efficient movement through the air. (b) They are all built using similar materials.
(c) They all undergo the same testing procedures. (d) They all prioritize passenger comfort in the design.
Answers and Explanations:
1. Answer: (a) To understand how air interacts with objects for optimal performance.
Explanation: The passage emphasizes that aerodynamic design goes beyond aesthetics. It's about understanding how air interacts with an object's shape and size to achieve the best possible performance (e.g., lift for airplanes, minimal drag for cars).
2. Answer: (b) To virtually test different shapes and configurations.
Explanation: Computer models and simulations allow engineers to experiment with various designs on a computer before building physical prototypes. This helps identify potential weak spots early on.
3. Answer: (c) It is a quicker and more cost-effective method.
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Explanation: Reduced-scale testing is faster and cheaper than full-scale testing. However, it's important to remember that scaling effects might not always translate perfectly to the final product.
4. Answer: (c) It provides the most accurate data about the design's performance.
Explanation: Full-scale testing is considered the "acid test" because it evaluates the actual prototype under real-world conditions, providing the most accurate data about its aerodynamic performance (e.g., turbulence, air resistance).
5. Answer: (d) It requires input from specialists with different areas of expertise.
Explanation: The phrase "collaboration is key" highlights the importance of teamwork. Aerodynamic design involves engineers from various disciplines (aerodynamics, structures, etc.) working together for optimal results.
6. Answer: (b) The design undergoes further refinement based on testing data.
Explanation: During trials and validations, data from testing is analyzed to identify areas for improvement. The design is then modified based on these findings before further testing.
7. Answer: (a) They all require efficient movement through the air.
Explanation: The passage uses airplanes, race cars, and high-speed trains as examples of objects that all need to move efficiently through the air. Aerodynamic design plays a crucial role in achieving this efficiency.