Ariq Dhifan

Introduction

Name: Ariq Dhifan

NPM: 2106657323

Major: Mechanical Engineering KKI

DoB: 22 June 2003

E-mail: ariqdhifan7@gmail.com

Assalamualaikum Hello Everyone! My name is Ariq Dhifan, an undergradute student majoring in Mechanical Engineering at Universitas Indonesia. Currently I am taking Numerical Method class with Pak DAI as my lecturer.

Case Study of Pressurized Hydrogen Storage

The effectiveness, security, and utility of the storage system are all improved as part of the process of optimizing pressurized hydrogen storage. Here are several essential factors for pressurized hydrogen storage optimization:

Tank Design and Materials: The storage tanks' design and materials are crucial to optimization. The tanks may be made out of strong, lightweight materials like high-strength metals or innovative composites while yet preserving structural integrity. Tank shapes that have been optimized can increase storage capacity while still fitting into the available area.

Safety precautions: When dealing with compressed hydrogen, safety is of the highest importance. Leaks may be avoided and the integrity of the storage tanks can be guaranteed by putting strong safety measures into place, such as strict manufacturing standards, quality control processes, and routine inspections. Effective pressure release and venting

Storage Pressure: The energy density and usability of the storage system are influenced by the pressure level at which hydrogen is kept in storage. A greater storage pressure makes it possible to store more hydrogen in a given container, but it also creates issues with tank weight, cost, and safety. Finding the ideal balance between storage pressure, energy density, and pragmatic concerns for the particular application is the goal of optimization.

Systems for Filling and Dispensing: Systems for filling and dispensing are essential for pressurized hydrogen storage. Systems that are optimized should reduce fill time, guarantee precise pressure control during filling, and enable safe and regulated hydrogen dispensing.

Thermal management: Controlling the storage tanks' temperature is crucial for achieving peak performance. Thermal insulation can minimize energy losses and keep the pressure within the appropriate range by reducing heat transfer to the hydrogen that has been stored. As needed, active cooling or heating systems can be used to control the temperature.

System Integration: When optimizing pressurized hydrogen storage, the transportation and end-use systems as well as the storage tanks must all be taken into account. To guarantee effective and flawless operation, integration with fuel cell systems or other hydrogen consumption technologies may be enhanced.

Cost Factors: When doing optimization, it is important to take into account all associated costs, such as those related to materials, production methods, and infrastructure needs. Pressurized hydrogen storage must be widely used, and this depends on finding affordable options that nevertheless retain performance and safety.

Substance That Contained

Hydrogen is a colorless, odorless gas. It is easily ignited. Once ignited it burns with a pale blue, almost invisible flame. The vapors are lighter than air. It is flammable over a wide range of vapor/air concentrations. Hydrogen is not toxic but is a simple asphyxiate by the displacement of oxygen in the air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. Hydrogen is used to make other chemicals and in oxyhydrogen welding and cutting.

Compressed hydrogen (CGH2, CH2 or CGH2) is hydrogen at its gaseous state but kept under pressure, typically at 350 bar (5,000 psi) and 700 bar (10,000 psi). This substance thus simplifies the issue of storing hydrogen, as this element in its gaseous state presents an excessively low density, which meant tank sizes needed to be enormous posing not only logistical but also safety issues. On the other hand, cryo compressed hydrogen is kept at cryogenic (-150º) temperatures, and presents a higher hydrogen density, thus pushing the storage possibilities further. While storing hydrogen has always represented a challenge, the discovery of efficient methods for it is boosting the so-called “hydrogen economy”. In fact, a number of options are being investigated today in search for the right one. At this point, the physical storage of compressed hydrogen in tanks stands out as the technology facilitating onboard automotive storage. Pressure values here remain between 350 and 700 bar (5,000 and 10,000 psi). The main difference would be developing a storage solution that is able not only to generate cryogenic temperatures, but also can be pressurized at nominal pressure levels of between 250-350 atm.

Pressure Tank Material

High Pressure Gas Cylinders can be made from a number of different materials, including high performance metals and composites. Of those, aluminum is one of the most common materials in popular use thanks to its high effectiveness at an economical price.

Among the many desirable properties that aluminum offers, the three most important benefits arise from its light weight, durability and corrosion resistance. In terms of weight, any operation handling gas cylinders could be dealing with dozens, if not hundreds of canisters at one time. Being able to easily transport and store the tanks is a prime consideration.

The cylinders are also under tremendous pressure; any kind of puncture or break could lead to a dangerous incident. Aluminum is both strong and durable enough to withstand accidental bumps and impacts without any serious damage.

Finally, the types of substances found in gas cylinders can be extremely noxious and have a detrimental effect on the metal, especially over time. Aluminum alloys offer excellent corrosion resistance for both the metal canisters themselves as well as the metal valves and other components used with the cylinders.

One of the most common aluminum alloys is 6061 and it is prominently found in gas cylinders. It is by far the most popular alloy choice for high pressure cylinders and can be found in a host of different types of tanks and bottles. For example, the oxygen tanks used by scuba divers are often made from this alloy. 6061 is especially prized for its ability to resist corrosion caused by seawater, a primary concern for scuba tanks. Nitrous oxide tanks also rely on 6061 aluminum. Looking from our variable that targetting a high-strength material with a effective costs, 6061 Aluminum will be my choice to create this pressure tank.