What is the effect of Boron on combustion?
Best insight from top research papers
Boron has a significant effect on combustion. It has been found that boron powder can improve the completeness of the reaction of aluminum powder, making it a promising combustion accelerant . When boron nanoparticles are added to ethanol fuel, they increase the overall temperature of the system and the production of CO2, enhancing the combustion process . Surface functionalization of boron particles with fluoroalkylsilanes has been shown to enhance boron ignition and combustion, with longer fluorocarbon chains resulting in more powerful energetic performance . In the case of solid rocket scramjets, the combustion efficiency of boron particles can be improved by using different blunt body types and cone angles, with the highest combustion efficiency observed with a basic blunt body and a cone angle of 30 degrees . Various methods, such as surface coating, mechanical milling, and ultrasonic mixing, can be used to prepare boron-based energetic materials, which can optimize combustion efficiency by removing surface oxide layers, providing extra heat, and increasing the diffusion rate of oxygen .
Answers from top 5 papers
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| Papers (5) | Insight |
|---|---|
| The paper discusses the combustion characteristics of boron-based energetic materials and suggests that the combustion of boron-based fuels can be optimized by various methods to improve combustion efficiency. However, it does not specifically mention the effect of boron on combustion. | |
| The paper states that boron particles have a prolonged ignition time due to the hard to volatilize oxide layer. The presence of boron in the primary gas of the combustion chamber of a solid rocket scramjet can lead to insufficient engine performance. | |
| The effect of boron on combustion is that it has a significant combustion-supporting effect, as shown by the research results in the provided paper. | |
16 Jun 2022 4 Citations | The addition of boron nanoparticles to an ethanol fuel increases the overall temperature of the system and the production of CO2, enhancing combustion. |
10 Citations | The effect of boron on combustion is enhanced by adding fluorine-containing chemicals to remove surface boron oxides, as mentioned in the paper. |
Related Questions
What is the effect of boron on 3rd generation advanced high strength steels?5 answersThe addition of boron has several effects on 3rd generation advanced high strength steels. It suppresses the ferritic region and shifts the continuous cooling transformation (CCT) diagram to lower transformation temperatures, ensuring hardenability and the formation of a fully martensitic microstructure. Boron also retards the austenite recrystallization, accelerates the precipitation kinetics of carbonitrides, and leads to a finer and denser distribution of precipitates. The softening parameter increases with increasing boron content, indicating that boron enhances the softening behavior of the steel during hot plastic deformation. Additionally, the presence of boron affects the microstructure and mechanical properties of the steel, resulting in a finer and more uniform grain structure and improved combinations of strength and toughness. Furthermore, appropriate boron content can effectively depress hydrogen-induced embrittlement in high strength mooring chain steel, reducing the possibility of intergranular fracture due to hydrogen.
Boron and children, what is the importance?5 answersBoron is important for both plants and animals, including humans. It is an essential micronutrient in plants and is found naturally in fruits, vegetables, and nuts. In the nuclear industry, boron is considered a potential material for shielding against neutron radiation. Boron has also been used in the removal of antibiotics, showing excellent performance in accelerating the recycling of Fe2+ in Fe3O4/peracetic acid systems. Additionally, boron has been found to enable the polymerization of amino acids, suggesting its role in the abiotic synthesis of polypeptides and the early evolution of life. In the context of children, the importance of boron is not explicitly mentioned in the provided abstracts.
Does Boron increase free testosterone?3 answersBoron supplementation does not appear to increase free testosterone levels. Several studies have investigated the effects of boron supplementation on testosterone levels in male bodybuilders and benign prostate hyperplasia (BPH) patients. In both groups, boron supplementation did not have a significant effect on testosterone levels. However, it is worth noting that in the BPH study, dutasteride treatment increased serum free-testosterone levels in patients with low baseline levels. Overall, the available evidence suggests that boron supplementation does not have a direct impact on free testosterone levels.
How does boron affect weight loss?5 answersBoron has been shown to have various effects on weight loss. It interacts with other nutrients and plays a regulatory role in mineral metabolism, including calcium, which subsequently affects bone metabolism. Boron supplementation has been found to increase bone strength in rats and chicks. In a study on adult female albino rats, dietary boron supplementation was found to affect body weight gain and bone weight, density, and mechanical properties. Additionally, boron has been shown to have beneficial effects on bone mineral metabolism and characteristics. While the direct evidence on boron's effect on weight loss is limited, indirect evidence suggests that boron has beneficial effects on inflammatory and oxidative stress, DNA damage detection and repair, and other factors associated with aging and longevity, which can indirectly impact weight loss.
What is the effect of borax on human health?5 answersBorax has been found to have various effects on human health. Studies have shown that borax exposure can lead to neurotoxic damage, oxidative damage, and genotoxicity. In terms of neurotoxicity, borax has been found to induce oxidative damage in the brain tissue of rainbow trout, affecting enzyme activities and altering levels of various biomarkers. Additionally, borax exposure has been shown to affect gene expression in human liver cancer cells, potentially impacting biological processes such as inflammation response, cellular growth, and apoptosis. Furthermore, borax has been found to decrease immune cell proliferation and induce sister chromatid exchange in human chromosomes, indicating potential cellular toxicity and genetic defects. These findings suggest that borax can have detrimental effects on human health, particularly in terms of neurotoxicity, gene expression, and cellular toxicity.
What is the most common boron-based insecticide concentration used?2 answersThe most common concentration of boron-based insecticide used varies across the abstracts provided. One paper mentions a concentration range of about 50% to about 90% boric acid. Another paper discusses the use of a boron compound expressed by formula I as an active ingredient, but does not specify the concentration. A third paper describes a boron and magnesium chelated insecticide-fertilizer, but does not provide a specific concentration for the boron component. The fourth paper mentions a mixture of powdered boric acid, but does not mention a specific concentration. The fifth paper recommends applying 0.28 kg boron ha-1 with an insecticide, but does not mention a specific concentration for the insecticide. Therefore, based on the information provided, there is no clear consensus on the most common boron-based insecticide concentration used.