Remote
Work location
CFD & Turbomachinery Engineer Required for BLDC Axial Fan Optimization Project Anyone
About the job
CFD-Based Development & Optimization of 250 mm BLDC Axial Fan
We are seeking a CFD engineer/freelancer to support the aerodynamic development and optimization of a 250 mm BLDC automotive axial fan based on existing production fan platforms and available test data.
Project Background
Available reference data includes:
380 mm production fan CAD
305 mm production fan CAD
Performance curves for 305 mm, 280 mm, and 255 mm fan variants
Target operating voltage: 12–24 V
Performance Targets
Free Flow: ≥ 3100 m³/h
Shutoff Pressure: ≥ 500 Pa
Peak Efficiency: ≥ 44%
Current: ≤ 29 A
Design Life: ≥ 40,000 hrs
Key Objective
Develop a 250 mm fan design capable of matching or exceeding benchmark performance while supporting:
30–40% material cost reduction (VAVE)
Weight reduction
Improved aerodynamic efficiency
Manufacturable design recommendations
Scope of Work
Phase 1 – Baseline Validation
CFD analysis of existing 380 mm and/or 305 mm fan designs
Mesh independence study
Generation of P-Q, efficiency, and power curves
Validation against available performance data
Phase 2 – Scaling & Aerodynamic Analysis
Non-dimensional analysis and scaling assessment
Comparison across available fan sizes
Identification of key geometric drivers
Phase 3 – 250 mm Fan Development
Performance-driven design modifications
Blade geometry optimization
Pressure, flow, efficiency, and power evaluation
Phase 4 – Final Recommendations
Comparison of design concep... read more
We are seeking a CFD engineer/freelancer to support the aerodynamic development and optimization of a 250 mm BLDC automotive axial fan based on existing production fan platforms and available test data.
Project Background
Available reference data includes:
380 mm production fan CAD
305 mm production fan CAD
Performance curves for 305 mm, 280 mm, and 255 mm fan variants
Target operating voltage: 12–24 V
Performance Targets
Free Flow: ≥ 3100 m³/h
Shutoff Pressure: ≥ 500 Pa
Peak Efficiency: ≥ 44%
Current: ≤ 29 A
Design Life: ≥ 40,000 hrs
Key Objective
Develop a 250 mm fan design capable of matching or exceeding benchmark performance while supporting:
30–40% material cost reduction (VAVE)
Weight reduction
Improved aerodynamic efficiency
Manufacturable design recommendations
Scope of Work
Phase 1 – Baseline Validation
CFD analysis of existing 380 mm and/or 305 mm fan designs
Mesh independence study
Generation of P-Q, efficiency, and power curves
Validation against available performance data
Phase 2 – Scaling & Aerodynamic Analysis
Non-dimensional analysis and scaling assessment
Comparison across available fan sizes
Identification of key geometric drivers
Phase 3 – 250 mm Fan Development
Performance-driven design modifications
Blade geometry optimization
Pressure, flow, efficiency, and power evaluation
Phase 4 – Final Recommendations
Comparison of design concep... read more
CFD-Based Development & Optimization of 250 mm BLDC Axial Fan
We are seeking a CFD engineer/freelancer to support the aerodynamic development and optimization of a 250 mm BLDC automotive axial fan based on existing production fan platforms and available test data.
Project Background
Available reference data includes:
380 mm production fan CAD
305 mm production fan CAD
Performance curves for 305 mm, 280 mm, and 255 mm fan variants
Target operating voltage: 12–24 V
Performance Targets
Free Flow: ≥ 3100 m³/h
Shutoff Pressure: ≥ 500 Pa
Peak Efficiency: ≥ 44%
Current: ≤ 29 A
Design Life: ≥ 40,000 hrs
Key Objective
Develop a 250 mm fan design capable of matching or exceeding benchmark performance while supporting:
30–40% material cost reduction (VAVE)
Weight reduction
Improved aerodynamic efficiency
Manufacturable design recommendations
Scope of Work
Phase 1 – Baseline Validation
CFD analysis of existing 380 mm and/or 305 mm fan designs
Mesh independence study
Generation of P-Q, efficiency, and power curves
Validation against available performance data
Phase 2 – Scaling & Aerodynamic Analysis
Non-dimensional analysis and scaling assessment
Comparison across available fan sizes
Identification of key geometric drivers
Phase 3 – 250 mm Fan Development
Performance-driven design modifications
Blade geometry optimization
Pressure, flow, efficiency, and power evaluation
Phase 4 – Final Recommendations
Comparison of design concepts
Selection of preferred design
Summary report and engineering recommendations
Preferred CFD Experience
Axial fans, blowers, turbomachinery, cooling systems
ANSYS Fluent, CFX, OpenFOAM, or equivalent CFD tools
MRF and Sliding Mesh simulations
k-ω SST turbulence model
Performance curve generation and validation
Deliverables
CFD project files (ANSYS/OpenFOAM or equivalent)
Mesh and setup files
Performance curves (P-Q, Power, Efficiency)
Pressure and velocity contour plots
Optimization recommendations
Final CFD report
Additional Notes
Creo models can be provided in STEP/IGES format.
Direct support in modifying Creo-native fan geometry during optimization would be a strong advantage.
A workstation with Creo installed, OpenFOAM available (optional), and 198 GB RAM is available if collaboration or remote support is required.
Project Budget: USD 50 Fixed Price read less
We are seeking a CFD engineer/freelancer to support the aerodynamic development and optimization of a 250 mm BLDC automotive axial fan based on existing production fan platforms and available test data.
Project Background
Available reference data includes:
380 mm production fan CAD
305 mm production fan CAD
Performance curves for 305 mm, 280 mm, and 255 mm fan variants
Target operating voltage: 12–24 V
Performance Targets
Free Flow: ≥ 3100 m³/h
Shutoff Pressure: ≥ 500 Pa
Peak Efficiency: ≥ 44%
Current: ≤ 29 A
Design Life: ≥ 40,000 hrs
Key Objective
Develop a 250 mm fan design capable of matching or exceeding benchmark performance while supporting:
30–40% material cost reduction (VAVE)
Weight reduction
Improved aerodynamic efficiency
Manufacturable design recommendations
Scope of Work
Phase 1 – Baseline Validation
CFD analysis of existing 380 mm and/or 305 mm fan designs
Mesh independence study
Generation of P-Q, efficiency, and power curves
Validation against available performance data
Phase 2 – Scaling & Aerodynamic Analysis
Non-dimensional analysis and scaling assessment
Comparison across available fan sizes
Identification of key geometric drivers
Phase 3 – 250 mm Fan Development
Performance-driven design modifications
Blade geometry optimization
Pressure, flow, efficiency, and power evaluation
Phase 4 – Final Recommendations
Comparison of design concepts
Selection of preferred design
Summary report and engineering recommendations
Preferred CFD Experience
Axial fans, blowers, turbomachinery, cooling systems
ANSYS Fluent, CFX, OpenFOAM, or equivalent CFD tools
MRF and Sliding Mesh simulations
k-ω SST turbulence model
Performance curve generation and validation
Deliverables
CFD project files (ANSYS/OpenFOAM or equivalent)
Mesh and setup files
Performance curves (P-Q, Power, Efficiency)
Pressure and velocity contour plots
Optimization recommendations
Final CFD report
Additional Notes
Creo models can be provided in STEP/IGES format.
Direct support in modifying Creo-native fan geometry during optimization would be a strong advantage.
A workstation with Creo installed, OpenFOAM available (optional), and 198 GB RAM is available if collaboration or remote support is required.
Project Budget: USD 50 Fixed Price read less
CFD-Based Development & Optimization of 250 mm BLDC Axial Fan
We are seeking a CFD engineer/freelancer to support the aerodynamic development and optimization of a 250 mm BLDC automotive axial fan based on existing production fan platforms and available test data.
Project Background
Available reference data includes:
380 mm production fan CAD
305 mm production fan CAD
Performance curves fo... read more
We are seeking a CFD engineer/freelancer to support the aerodynamic development and optimization of a 250 mm BLDC automotive axial fan based on existing production fan platforms and available test data.
Project Background
Available reference data includes:
380 mm production fan CAD
305 mm production fan CAD
Performance curves fo... read more
CFD-Based Development & Optimization of 250 mm BLDC Axial Fan
We are seeking a CFD engineer/freelancer to support the aerodynamic development and optimization of a 250 mm BLDC automotive axial fan based on existing production fan platforms and available test data.
Project Background
Available reference data includes:
380 mm production fan CAD
305 mm production fan CAD
Performance curves for 305 mm, 280 mm, and 255 mm fan variants
Target operating voltage: 12–24 V
Performance Targets
Free Flow: ≥ 3100 m³/h
Shutoff Pressure: ≥ 500 Pa
Peak Efficiency: ≥ 44%
Current: ≤ 29 A
Design Life: ≥ 40,000 hrs
Key Objective
Develop a 250 mm fan design capable of matching or exceeding benchmark performance while supporting:
30–40% material cost reduction (VAVE)
Weight reduction
Improved aerodynamic efficiency
Manufacturable design recommendations
Scope of Work
Phase 1 – Baseline Validation
CFD analysis of existing 380 mm and/or 305 mm fan designs
Mesh independence study
Generation of P-Q, efficiency, and power curves
Validation against available performance data
Phase 2 – Scaling & Aerodynamic Analysis
Non-dimensional analysis and scaling assessment
Comparison across available fan sizes
Identification of key geometric drivers
Phase 3 – 250 mm Fan Development
Performance-driven design modifications
Blade geometry optimization
Pressure, flow, efficiency, and power evaluation
Phase 4 – Final Recommendations
Comparison of design concepts
Selection of preferred design
Summary report and engineering recommendations
Preferred CFD Experience
Axial fans, blowers, turbomachinery, cooling systems
ANSYS Fluent, CFX, OpenFOAM, or equivalent CFD tools
MRF and Sliding Mesh simulations
k-ω SST turbulence model
Performance curve generation and validation
Deliverables
CFD project files (ANSYS/OpenFOAM or equivalent)
Mesh and setup files
Performance curves (P-Q, Power, Efficiency)
Pressure and velocity contour plots
Optimization recommendations
Final CFD report
Additional Notes
Creo models can be provided in STEP/IGES format.
Direct support in modifying Creo-native fan geometry during optimization would be a strong advantage.
A workstation with Creo installed, OpenFOAM available (optional), and 198 GB RAM is available if collaboration or remote support is required.
Project Budget: USD 50 Fixed Price read less
We are seeking a CFD engineer/freelancer to support the aerodynamic development and optimization of a 250 mm BLDC automotive axial fan based on existing production fan platforms and available test data.
Project Background
Available reference data includes:
380 mm production fan CAD
305 mm production fan CAD
Performance curves for 305 mm, 280 mm, and 255 mm fan variants
Target operating voltage: 12–24 V
Performance Targets
Free Flow: ≥ 3100 m³/h
Shutoff Pressure: ≥ 500 Pa
Peak Efficiency: ≥ 44%
Current: ≤ 29 A
Design Life: ≥ 40,000 hrs
Key Objective
Develop a 250 mm fan design capable of matching or exceeding benchmark performance while supporting:
30–40% material cost reduction (VAVE)
Weight reduction
Improved aerodynamic efficiency
Manufacturable design recommendations
Scope of Work
Phase 1 – Baseline Validation
CFD analysis of existing 380 mm and/or 305 mm fan designs
Mesh independence study
Generation of P-Q, efficiency, and power curves
Validation against available performance data
Phase 2 – Scaling & Aerodynamic Analysis
Non-dimensional analysis and scaling assessment
Comparison across available fan sizes
Identification of key geometric drivers
Phase 3 – 250 mm Fan Development
Performance-driven design modifications
Blade geometry optimization
Pressure, flow, efficiency, and power evaluation
Phase 4 – Final Recommendations
Comparison of design concepts
Selection of preferred design
Summary report and engineering recommendations
Preferred CFD Experience
Axial fans, blowers, turbomachinery, cooling systems
ANSYS Fluent, CFX, OpenFOAM, or equivalent CFD tools
MRF and Sliding Mesh simulations
k-ω SST turbulence model
Performance curve generation and validation
Deliverables
CFD project files (ANSYS/OpenFOAM or equivalent)
Mesh and setup files
Performance curves (P-Q, Power, Efficiency)
Pressure and velocity contour plots
Optimization recommendations
Final CFD report
Additional Notes
Creo models can be provided in STEP/IGES format.
Direct support in modifying Creo-native fan geometry during optimization would be a strong advantage.
A workstation with Creo installed, OpenFOAM available (optional), and 198 GB RAM is available if collaboration or remote support is required.
Project Budget: USD 50 Fixed Price read less
Things to know
Expert
Skill Level
$50
Fixed-rate (USD)
Part-time
Job type
Under 1-month
Job duration
Areas of expertise
ANSYS Fluent
ANSYS Fluent
ANSYS Workbench
ANSYS Workbench
Aerodynamic Analysis
Aerodynamic Design
Ansys
Ansys Workbench
CFD Analysis
CFD Simulation Engineering
CFD Simulations
Thermal Management
Turbomachinery CFD
ansys fluent
+11 more
Job categories
Automotive Design
Computational Fluid Dynamics
Mechanical Engineering
Aerospace Engineering
+1 more
About the client
Payment ready
India (06:23 pm)
Posted
Active
Job activity
18 Applicants
15 interviews in progress
8 unanswered invites
More open jobs from this client (1)
Looking for Creo 10 surfacing expert (Reverse Engineering)
Remote - Posted
Hi,
I need help with parametric reverse engineering of a fan model in Creo 10 using an available .STP file. The goal is to create a fully editable parametric model with a pro...
Reverse Engineering
3D Modeling
3D Design Services
Creo Design Services
View job
Similar jobs
Confidential Automotive Mechanical System Development
Remote - Posted
I am looking for an experienced Mechanical Design Engineer with strong experience in automotive product development, deployable mechanisms, and CAD modeling.
This is a conf...
Mechanical Design Services
Automotive Design
Engineering Design
Mechanical Engineering
View job
Mechanical Engineering & DFM for Multi-Material Consumer Product (Overmolding & MagSafe)
Remote - Posted
Hello,
I am looking for an experienced Mechanical Engineer / Product Designer to transform an established aesthetic concept into a manufacturing-ready 3D CAD model (DFM) a...
Mechanical Engineering
Design for Manufacturability (DFM Services)
Design for Manufacturing and Assembly
3D Modeling
3D Product Modeling
View job
Expert Engineer needed to design a centrifugal plantain slicer for snacks
Remote - Posted
Project Requirements
Compact design.
Food-grade stainless steel materials with sanitary finishes.
Demountable for easy cleaning.
Reliable motor capable of processing 100 k...
Mechanical Design Services
Mechanical Engineering
Mechanical Engineers Staffing & Recruiting Services
View job
Expert Engineer needed to design a centrifugal plantain slicer for snacks
Remote - Posted
Project Requirements
Compact design.
Food-grade stainless steel materials with sanitary finishes.
Demountable for easy cleaning.
Reliable motor capable of processing 100 k...
Mechanical Design Services
Mechanical Engineering
Mechanical Engineers Staffing & Recruiting Services
View job
Senior Mechanical CAD Engineer – Precision Laboratory Automation System (SolidWorks)
Remote - Posted
We are looking for an experienced freelance Mechanical Design Engineer to support the development of a next-generation acoustic liquid handling system for laboratory automatio...
SolidWorks Design Services
Mechanical Design Services
Mechanical CAD Design
Mechanical Engineering
View job
Mechanical Design Engineer for Innovative Fiber Optic Connector Housing
Remote - Posted
We are looking for an experienced mechanical product design engineer to help us develop the first prototype of an innovative housing for a fibre-optic connector. Fixed price...
3D Modeling
Mechanical Design Services
Mechanical Engineering
View job
How it works
Find hourly jobs
Top rated experts are regularly hired for hourly jobs & ongoing client work.
Fixed-rate jobs
Experts can browse & apply to fixed-rate work & quote on a flat-rate basis.
Design contests
Experts build a reputation and earn prizes by participating in design challenges.
About Cad Crowd
4.9/5.0
(Our client satisfaction)
G2 2022
Spring high performer
198,595
global members
32,979
projects delivered to clients
Trusted by
