Abstract At this time the development of the combustion engine is moving towards an environmentally friendly combustion engine which emphasizes the use of lower costs. This is due to the depletion of fossil fuel supplies available in the world. Based on this thought, the developer of a combustion engine that uses fuel that is low in cost and relatively harmless to the environment is carried ou…
ABSTRACT Areca nut is one type of plant that has many benefits for the community. In addition to being sold to collectors, areca nut can be processed into various types of food and drinks so that the benefits contained in areca nut can be felt by many people. One of the areas in Riau Province which is a producer of areca nut is Tembilahan Regency, especially in Keritang District, but in the pr…
ABSTRACK Excavator is a heavy equipment used to move material from one place to another. Excavators are widely used in various fields, namely: construction, mining, infrastructure and so on. Riau University has produced a mini excavator model design at the Hydraulic and Pneumatic Laboratory of Mechanical Engineering, Faculty of Engineering using a pneumatic system based on a traveling unit (un…
ABSTRACT Basically, people still use cooking oil repeatedly and the draining of cooking oil is not optimal. So that many people consume processed foods from frying that still contain or leave oil in the food. The purpose of this study was to analyze the Spinner model using the Analytical Hierarchy Process (AHP) method. AHP makes broad and unstructured problems into a flexible and easy-to-under…
ABSTRACT Friction welding is a method of joining materials caused by friction between two materials which utilizes the heat of friction between the two materials, the same or different. This study aims to determine the effect of rotational speed on dissimilar materials on the weld area and hardness values. There are various methods to overcome problems in the process of joining the material, i…
ABSTRACT One of the materials that is widely used in industrial products is mild steel AISI 1037, but the connection of mild steel has problems using the liquid welding method, so the friction welding method is used. The friction welding used is vertical bar-plate Rotary friction welding, which is the design of Utamar, F. and Siswanto (2014), when testing all specimens, the parameter variation…
ABSTRACT In the industrial world, the use of network pipes is one element that plays an important role, namely as a production chain. Failures that usually occur in steel pipe structures that are buried in the ground or in the sea usually occur due to corrosion attacks, pressure forces from outside. Plastic pipes as a product have been widely used and used for a long time. This study aims …
ABSTRACK Polyethylene is a product that is widely used and used for a long time. One type, namely HDPE (High Density Polyethylene) is formed into a composite material, by adding reinforcement in the form of short fiberglass and long fiberglass. The composites were subjected to an Impact test to determine the impact strength and to analyze the impact strength and the influence of fiberglass on …
ABSTRACT Petroleum is the main source of energy and a source of foreign exchange for the country. However, Indonesia's oil reserves are limited, so alternative fuels are needed. Biodiesel is an alternative fuel to replace diesel which is produced from vegetable oil through a transesterification reaction process between vegetable oil, methanol and a catalyst. However, in its use in diesel engin…
ABSTRAK In everyday life, many used aluminum cans that are found around us become waste that can interfere with environmental hygiene and it turns out that so far it has not been processed properly by recycling. This is because the largest canned beverage producer in Indonesia is currently lacking in canned waste treatment systems. This final project aims to press used beverage cans with a can…
ABSTRACT Screw conveyor is a type of conveyor often used to move semi-solid materials. This examination will analyze the stress on the screw conveyor type 12S624R by modifying the length of the shaft. According to the Screw Conveyor Catalog & Engineering Manual, the length of each screw shaft for a screw conveyor with a diameter of 0,3 meters is about 3,75 meters, if the screw conveyor need le…
ABSTRACT Leaf springs as a component of the suspension system function to absorb shocks from the road and wheel vibrations so that they are not transmitted to the vehicle body directly and increase the tire's grip on the road surface and support the overall weight of the vehicle, both the weight of the body, engine, passengers, frame and other loads supported on it. The old leaf spring used wi…
ABSTRACT Main object of this research is to perform experimental test on a clothes dryer using an air conditioning system. The air conditioning system varied into three type which is split type, windows type and portable type. This research has to be done using pre heat for 30 minutes before examination started. Examination was conducted to obtain the performance parameters of SMER, SEC and Dr…
The objectives of this research are to analyze the energy and exergy of the 4x6 MW Gas Power Plant which has been operated by BOB PT. Bumi Siak Pusako - Pertamina Hulu for 10 years to run production operations in two main fields, namely Zamrud and Pedada which require high energy consumption. The decline in oil production and the large operating costs at CPP Block BOB PT. Bumi Siak Pusako …
ABSTRACT The development of renewable and environmentally friendly alternative energy needs to be carried out in order to fulfill energy needs and the survival of plants, animals and humans. One of the energy sources that can be used to meet these needs is solar energy. In solar panels, the heat generated from solar radiation is utilized through photovoltaic to generate electricity. Unfortunat…
ABSTRACT UAV is a technology of aerial vehicle without a pilot occupied within the body. Serindit V-2 is a fixed wing UAV that was designed to fly and accelerate rapidly. Most of fixed wing UAV lands by belly landing method. The bottom part of the fuselage experience direct impact with landing runways, and resulting to high risk of fracture. Besides belly landing, fixed wings were commonly fou…
In this study, a warehousing sy9stem management design was developed using the kanban barcode method to make it easier for operators to recap data on the entry and exit of goods ordered for the procurement of car spare parts at Toko Jaya Utama Muda. The Warehouse Management System design that has been implemented using the kanban barcode method consists of several processes, including: 1) Desig…
ABSTRACT Bolts are one of the machinery elements which are used in joining. The failure that often occurs in bolted joints is looseness caused by dynamics loads. This study aims to detect bolt looseness using sound signal by analyzing the dynamic characteristics of bolt connection, namely natural frequency, damping ratio and bolt looseness position. The research method which is used Structural…
ABSTRACT The weight on the vehicle has a sizable effect on the efficiency of the motor as the motor works harder. The design of the vehicle shape is an aspect that is very concerned with optimizing the engine power generated by the engine through the process of burning fuel into thrust, traction and stability of the vehicle when moving at a certain speed. The chassis design process starts from…
ABSTRACT The development of Non-Asbestos Organic (NAO) brake pads recently is increasity due to environmental trialdly issue. To produce a proficient brake pad involves many process parameters, therefore it requires a large quantities of samples and consumes times. This research aims to obtain optimal process parameters on hardness and porosity using taguchi. Design of experiment were mad…