Name: si and customary measurement systems
Uploaded: 2023-09-22T11:49:19.000Z
Duration: 1 min 27 s
Channel: JoVE

Uzunluk, kütle ve zaman, ölçüm için temel büyüklüklerdir ve birimleri temel birimler olarak bilinir.
Temel birimlerden türetilen birimler, türetilmiş birimler olarak bilinir.
Birim sistemleri, Uluslararası Birimler Sistemi veya SI birimleri ve ABD Geleneksel birimler sistemi olarak kategorize edilebilir.
SI birimlerinde metre, kilogram ve saniye temel birimlerdir, ABD Geleneksel birim sisteminde ise ayak, pound ve saniye temel birimlerdir.
Örneğin, SI kuvvet birimi, türetilmiş bir birim olan Newton'dur. Bir kilogram kütleyi saniyede bir metre kare hızında hızlandırmak için gereken kuvvet olarak tanımlanır.
ABD Geleneksel birimler sisteminde, kütle birimi, türetilmiş bir birim olan sümüklü böcek'tir. Bir poundluk bir kuvvet tarafından etki edildiğinde saniyede bir fit kare ile hızlandırılan madde miktarı olarak tanımlanır.
Bir sistemin birimleri, dönüştürme faktörleri kullanılarak başka bir sistemin birimlerine dönüştürülebilir.

<ol>
	<li>Hibbeler, R.C. (2016). Mühendislik Mekaniği \u2012 Statik ve Dinamik. Hoboken, New Jersey: Pearson Prentice Salonu. sayfa 7\u20128</li>
	<li>Bira, F.P.; Johnston, E.R.; Mazurek, D.F; Cromwell, P.J. ve Öz, B.P. (2019). Mühendisler için Vektör Mekaniği \u2012 Statik ve Dinamik. New York: McGraw-Tepesi. sayfa 4 ve 8</li>
	<li>Meriam, J.L.; Kraige, L.G. ve Bolton, J.N. (2020). Mühendislik Mekaniği \u2012 Statik. Hoboken, New Jersey: John Wiley. sayfa 7 ve 8</li>
</ol>

Ölçme birimleri

Units of Measurement

Makine mühendisliği, mühendislik disiplinlerinin en eski kollarından biridir. Makinelerin ve mekanik sistemlerin tasarımı, analizi ve imalatı ile ilgilenir. Hassas ve doğru hesaplamalar için ölçme birimleri kullanılır. Fiziksel nicelikleri ifade etmek ve karşılaştırmak için standart bir sistem sağlarlar.

Babil sistemi, Roma sistemi, Mısır sistemi, Olimpiyat sistemi, İngiliz sistemi ve Hindistan Vadisi sistemi gibi çeşitli tanınmış tarihsel ölçüm sistemleri vardır.

Uluslararası Birim Sistemi (SI), makine mühendisliğinde kullanılan evrensel olarak kabul edilen ölçme standardıdır. Tüm diğer fiziksel niceliklerin ifade edilmesi için birleştirilebilen bazı temel birimlere dayanmaktadır.

Baz birimlerden türetilen birimlere türetilmiş birimler denir. Örneğin, SI birimi olan kuvvet birimi Newton'dur ve bir türetilmiş birimdir. Bir kilogram kütlenin bir saniyede bir metre hızla ivmelendirilmesi için gereken kuvvet olarak tanımlanmıştır.

Dünya genelinde farklı ölçme birimi sistemleri kullanılmaktadır. Uluslararası Birim Sistemi (SI) dışında, ABD Geleneksel Birim Sistemi de yaygın olarak kullanılan bir sistemdir. ABD Geleneksel Birim Sistemi'nde baz birimler fit, pound ve saniyedir. Uzunluk birimi fit, kütlenin birimi pound ve zaman biriminin birimi saniyedir.

ABD Geleneksel Birim Sistemi'nde kütlenin birimi slug, bir türetilmiş birimdir. Bir pound kuvvet altında bir fit/saniye kare ivmelendirilen madde miktarı olarak tanımlanmıştır.

Birçok ülke ABD Geleneksel Birim Sistemi'ni kullanmaya devam etmektedir, bu yüzden karşılaştırılabilir çeşitli birimler arasında ilişki de geliştirilmiştir. Örneğin, bir metre 3.280 fit’e eşittir. Türetilmiş birimler de farklı standartlar arasında farklılık gösterir. Örneğin, SI sistemi kuvvet birimi olarak Newton'u kullanırken, ABD geleneksel sistemi pound'u kullanır.

Ölçme birimleri, hassas ve doğru ölçümlere olanak sağladığı için makine mühendisliğinde önemlidir. Mühendisler, makine ve mekanik sistemleri tasarlamak ve analiz etmek, mekanik bileşenlerdeki yükleri, gerilmeleri ve deformasyonları tahmin etmek ve makinelerin farklı çalışma koşullarında davranışını öngörmek için bu birimleri kullanır.

Ölçme Birimleri

Makine mühendisliği, mühendisliğin en eski dallarından biridir. Tasarım, analiz ve üretim makineleri ve mekanik ...

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si and customary measurement systems

Mechanical engineering depends on units of measurement for precise and accurate calculations. These units give engineers a standard way to express and compare physical quantities. They are essential when designing and analyzing machines and mechanical systems.

Many historical measurement systems have been used over time. Examples include the Babylonian system, the Roman system, the Egyptian system, the Olympian system, the British system, and the Indus Valley system. Today, the International System of Units, or SI, is the widely recognized standard used in mechanical engineering.

The SI system is built from base units. These base units can be combined to describe other physical quantities, which are called derived units. For example, the SI unit of force is the Newton. One Newton is the force needed to accelerate one kilogram of mass at one meter per second squared.

Another common system is the U.S. Customary System of Units. Its base units are the foot, the pound, and the second. In this system, length is measured in feet, mass is measured in pounds, and time is measured in seconds. The slug is the derived unit used for mass in this system, and it is defined by the amount of matter accelerated by one foot per second squared under a force of one pound.

Because many countries still use the U.S. Customary System, conversion relationships are important. For example, one meter equals 3,280 feet. Derived units also differ between systems. SI uses the Newton for force, while the U.S. Customary System uses the pound. Engineers use these units to estimate loads, stresses, and deformations, and to predict how machines behave under different operating conditions.

SI and Customary Measurement Systems

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Mechanical engineering depends on units of measurement for precise and accurate calculations. These units give engineers a standard way to express and compare physical quantities. They are essential when designing and analyzing machines and mechanical systems. Many historical measurement systems have been used over time. Examples include the Babylonian system, the Roman system, the Egyptian system, the Olympian system, the British system, and the Indus Valley system. Today, the International...

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Explore SI and U.S. Customary units, base and derived units, and how engineers use measurement systems to calculate force, loads, and machine behavior.

SI and Customary Measurement Systems | JoVE K12

JoVE Core Makine Mühendisliği, denge, kuvvetler, kafes kiriş analizi ve yapısal mekanik gibi temel konuları kapsayan kısa, anlaşılması kolay animasyonlu videolar sunar. Gerçek dünyadaki uygulamalarını keşfedin ve bilim insanlarının önderlik ettiği deneylerle bu kavramların uygulanmasına tanık olun.

mechanical engineering

SI and Customary Measurement Systems

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