أَشْهَدُ أَنْ لَا إِلَهَ إِلَّا اللَّهُ وَأَشْهَدُ أَنَّ مُحَمَّدًا عَبْدُهُ وَرَسُولُهُ
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Specific Speed and Suction Specific Speed
Suction specific speed is one of the critical item that should be considered in pump selection phase (basically in technical evaluation before purchase order). Most of client specifications indicate limitation of suction specific speed values in pump selection criteria. When talking about suction specific speed concept, it is better also to talk about specific speed … Continue reading
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E. DESIGN BASIS OF TURBINES Vendor experience of steam turbines shall be checked in similar service for the following (for API 611 turbines, only a, b and c to be checked): a. Inlet pressure, temperature, volume flow rate b. Output power, Turbine speed c. Exhaust pressure, temperature (for back pressure turbine/non-condensing) d. Type of the … Continue reading
A. INTRODUCTION This topic cover design consideration for some rotating equipment such as pumps, compressors, gas turbines and steam turbines and their auxiliaries. This guideline, of course, as a general use and consideration, so specific consideration and detail requirement shall refer to owner specification and/or project specification for each project. The important thing for rotating equipment … Continue reading
Sesungguhnya Imam Mahdi dalam pandangan ahlus sunnah adalah sesuatu yang haq, di yakini kebenaranya dan kemunculannya. Hanya saja sebagian orang tidak terlalu memperhatikannya hanya karena informasi tentang Imam Mahdi tidak pernah muncul di hadits Shahih Bukhari-muslim, padahal hadits-hadits tentang kemunculan Mahdi mencapai derajat mutawatir di luar shahih Bukhari-Muslim. Adapun jika Bukhari dan Muslim tidak memasukkan … Continue reading
1. Sifat-Sifat Dajjal Dan Hadits-Hadits Yang Berkenaan Dengannya. Dajjal adalah seorang laki-laki dari anak Adam yang memiliki sejumlah sifat sebagaimana dalam beberapa hadits agar manusia mengetahuinya dan berhati-hati terhadapnya, sehingga apabila kelak ia muncul maka orang-orang mukmin dapat mengenalnya serta tidak terfitnah olehnya. Sifat-sifat inilah yang membedakannya dari manusia lainnya sehingga tidak tertipu olehnya kecuali … Continue reading
1. Theory of Operation Brayton Cycle: (1 – 2) Air is compressed isentropically (2 – 3) Combustion at constant pressure (3 – 4) Expansion at turbine isentropically 2. Gas Turbine Components and Parts 2.1. Compressor: Draws air into the engine Pressure it and deliver to combustion chamber 2.2. Combustion Chamber: Receives air from compressor … Continue reading
