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RISS 인기검색어
- 검색키워드
- 저자 : Mostafa Akbari (검색결과 3 건)
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Laser Diode – GaAlAs Acupuncture in the Treatment of Central Obesity: a Randomized Clinical Trial
Razzaghi Mohammadreza,Akbari Zahra,Mokmeli Soheila,Razzaghi Zahra,Rezaei-Tavirani Mostafa,Afzalimehr Maryam,Kamani Ehsan 사단법인약침학회 2023 Journal of Acupuncture & Meridian Studies Vol.16 No.6
Background: Obesity is a global health challenge. Traditional approaches, including increased physical activity, dietary interventions, and medical therapy, often yield limited success, propelling some patients toward costly and invasive procedures like bariatric surgery. Laser acupuncture has been suggested as a complementary therapeutic approach to overcome this challenge. The present study investigated the effectiveness of laser acupuncture treatment in weight loss and abdominal subcutaneous fat reduction. Methods: A randomized, blinded, sham-controlled clinical trial was conducted, with 30 subjects each in the intervention and control groups. Patients in the intervention group underwent 12 sessions of laser acupuncture treatment within a month (three sessions/ week), whereas those in the control group received sham laser treatment on identical acupoints. The patients were instructed not to alter their physical activity levels or dietary regimens. All parameters were evaluated before and after the treatment. Results: Significant reductions in weight, body mass index, and waist circumference were noted in both intervention and control groups. Further analysis revealed a more significant decrease in the laser acupuncture group. Abdominal sonography revealed a marked decrease in periumbilical fat thickness in the intervention group. Conversely, laboratory evaluations showed no significant difference between the two groups. Conclusion: Laser acupuncture is an effective method for weight loss in patients with periumbilical abdominal fat. The observed impact on subcutaneous fat suggests its potential as a non-invasive intervention for individuals seeking weight management alternatives. Further research is warranted to validate these findings and explore the underlying mechanisms of laser acupuncture in adipose tissue modulation.
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Multi Objective Optimization of Friction Stir Welding Parameters Using FEM and Neural Network
Mohammad Hasan Shojaeefard,Mostafa Akbari,Parviz Asadi 한국정밀공학회 2014 International Journal of Precision Engineering and Vol. No.
In this study the inuence of rotational and traverse speed on the friction stir welding of AA5083 aluminum alloy has been investigated. For this purpose a thermo-mechanically coupled, 3D FEM analysis was used to study the effect of rotational and traverse speed onwelding force, peak temperature and HAZ width. Then, an Articial Neural Network (ANN) model was employed to understand thecorrelation between the welding parameters (rotational and traverse speed) and peak temperature, HAZ width and welding forcevalues in the weld zone. Performance of the ANN model was found excellent and the model can be used to predict peak temperature,HAZ width and welding force. Furthermore, in order to find optimum values of traverse and rotational speed, the multi-objectiveoptimization was used to obtain the Pareto front. Finally, the Technique for Order Preference by Similarity to the Ideal Solution(TOPSIS) was employed to obtain the best compromised solution.
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Taguchi optimization of micron sized lubricant oil droplet deposition on a hot plate
Mohammad Hassan Shojaeefard,Vahid Mousapour Khaneshan,Mohammad Ali Ehteram,Mostafa Akbari,Ehsan Allymehr 대한기계학회 2015 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.29 No.8
The deposition of micron sized lubricant oil droplets similar to oil droplets in blow-by gases of Internal combustion (IC) engines on ahot flat plate was studied using a round impinging jet configuration. Five parameters which simulate the different operational conditionsin IC engines were chosen: The impaction nozzle’s outlet diameter, additional air flow rate, plate angle, plate temperature, and nozzle tothe plate distance. An Experimental test-rig was constructed to acquire deposit weight with different parameter values. To find the conditionsof minimum deposition, the deposit’s weight was optimized using the Taguchi design of experiment method with respect to thedesign parameters. Using the experimental data, the predicted optimal value of the deposit weight was confirmed. Analysis of varianceshowed that plate angle is the most influential factor in deposition of fine oil droplets. Scanning electron microscopy (SEM) was used toinvestigate the mechanism of deposition.
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