Hariyotejo Pujowidodo

Riset Disertasi :

INVESTIGASI MODEL TURBULENT k-Epsilon STANDAR DALAM APLIKASI CFD UNTUK OPTIMASI KETELITIAN HASIL PREDIKSI DINAMIKA ALIRAN FLUIDA KOMPRESIBEL CONFINED-JET

ABSTRAK

BAB 1 PENDAHULUAN

1.1. Latar Belakang

1.2. Tujuan dan Sasaran Penelitian

1.3. State of the Art

1.4. Ruang Lingkup

BAB 2 TINJAUAN LITERATUR

2.1. Hidrodinamika Aliran Jet

2.2. Pemodelan Turbulen

2.2.1. Konservasi Fisik dan Persamaan Atur

2.2.2. Konservasi Massa

2.2.3. Konservasi Momentum

2.2.4. Konservasi Energi

2.2.5. Persamaan Termodinamika

2.2.6. Persamaan Navier-Stokes dan Bentuk Umum Persamaan Transport

2.2.7. Turbulen dan Persamaan Reynolds Averaged Navier Stokes (RANS)

2.3. Critical Review

BAB 3 METODOLOGI DAN JADWAL PENELITIAN

3.1. Metodologi Penelitian

Gambar- 14. Metodologi Penelitian

Gambar- 15. Prosedur Pemecahan dengan Model CFD (Keynote Speesh SNMI XII, 2018)

3.2. Jadwal Penelitian

Gambar- 16. Rancangan Penelitian

BAB 4 PEMODELAN DAN SIMULASI

4.1. Hidrodinamika Aliran Kompresibel Nosel Supersonik dan Jet Ejector

4.2. Studi Parameter Aliran dan Turbulensi

4.3. Modifikasi dan Optimasi Model Turbulen k-e Standar pada Jet Ejector

BAB 5 HASIL DAN ANALISA

5.1. Pengaruh Turbulensi pada Perubahan Parameter Tekanan Aliran dan Posisi Nosel

5.2. Laju Regangan Daerah Lapisan Batas Pencampuran pada Jet Ejector Udara

5.3. Parameter Optimasi Model Turbulen k-ε Standar

BAB 6 KESIMPULAN DAN SARAN

1.

Publikasi paper :

1. Optimization Study on Standard k-e Model for a Better Prediction of Turbulent Flow in Sub-Sonic Air Jet Ejector (Journal paper draft)

2. New Modified k-ε Standard for Predicting Compressible Flow in a Non-Symmetrical Planar-Curvature Converging-Diverging Supersonic Nozzle (submitted Journal Manuscript)

3. Turbulent Modeling Analysis of Saturated Steam Flow in Curved Convergent Divergent Nozzle / Batavia International Conference (BIC 2018) Sustainable Maritime Science and Engineering Development 21st November 2018, University of Darma Persada, Published 1 February 2020 • Published under licence by IOP Publishing Ltd Journal of Physics: Conference Series, Volume 1469, International Conference on Innovation In Research 28–29 August 2018, Bali, Indonesia

4. Numerical simulation analysis of supersonic asymmetric converging-diverging nozzle with stepped curvature and curved discretization / The 4th International Conference on Mechanical Engineering (ICOME) 28-29 August 2019, Yogyakarta, Indonesia, AIP Conference Proceedings 2187, 020010 (2019); https://doi.org/10.1063/1.5138265.

5. The Analytic and CFD Modeling Studies of Saturated Steam Mass Flow in Curved Convergent Divergent Nozzle / International Conference on Advanced Thermofluids X 16th November 2018, Department of Mechanical Engineering, University of Indonesia, AIP Conference Proceedings 2062, 020015 (2019); https://doi.org/10.1063/1.5086562

6. SIMULATIONS OF BIO-MICRO HIGH POWER DENSITY POWER GENERATION SYSTEM FOR ZERO ENERGY BUILDING / International Conference on Sustainable Infrastructure and urban Development I 12-14th November, 2018 University of Indonesia and Asean University Network, Published at: CSID - JID Vol 2, No 1 (2019) DOI: https://doi.org/10.32783/csid-jid.v2i1.46.

7. The Study of Converging-Diverging Nozzle for Improving the Impulse Momentum of Cross Flow Turbine in a Bio-Micro Power Plant / International Conference on Biomass 1-2nd August, 2018 Agriculture Institute of Bogor, Published 1 December 2018 • Published under licence by IOP Publishing Ltd IOP Conference Series: Earth and Environmental Science, Volume 209, 3rd International Conference on Biomass: Accelerating the Technical Development and Commercialization for Sustainable Bio-based Products and Energy1–2 August 2018, Bogor, Indonesia

8. Integrated Analysis of The Excess Air on Steam Power Plant CFB Boiler using Mathematical and CFD Modeling / International Conference Thermofluid IX 9-10th November, 2017 Faculty of Industrial Engineering University of Gajah Mada Yogyakarta, AIP Conference Proceedings 2001, 060003 (2018); https://doi.org/10.1063/1.5050004

9. Mathematical Modeling - The Impact of Cooling Water Temperature Upsurge on Combined Cycle Power Plant Performance and Operation / Published 1 March 2018 • Published under licence by IOP Publishing Ltd IOP Conference Series: Materials Science and Engineering, Volume 316, Quality in Research: International Symposium on Materials, Metallurgy, and Chemical Engineering 24–27 July 2017, Bali, Indonesia.