Thermal-Fluid • Simulation • Design • Analysis

Advancing Thermal-Fluid Systems for Flight, Space, and Energy

3S AeroThermal Systems provides senior-level consultning & support for thermal-fluid system architecture, aerothermal analysis, propulsion thermal management, CFD/FEA simulation, and concept-to-design decision support.

Aerothermal vehicle and propulsion thermal visualization
20+ Years Experience
Conceptual DesignArchitecture & trades
Thermal ManagementCooling & integration
CFD & FEASimulation-driven decisions
Systems DevelopmentRequirements to design

Core Services

Consulting support for high-consequence thermal-fluid systems.

Available for quick-turn architecture packages, focused analysis, simulation support, technical reviews, trade studies, and design maturation.

Thermal-fluid system design schematic
01

Thermal-Fluid System Design

Architecture, sizing, flow networks, pressure-drop estimates, heat exchanger integration, cooling loops, feed/vent/pressurization concepts, and subsystem interface thinking.

Aerothermal analysis vehicle contour visualization
02

Aerothermal Analysis

High-speed heating environments, recovery and stagnation temperature effects, boundary layers, hot-gas flowpaths, thermal loads, and vehicle-level thermal assessments.

CFD and FEA simulation visualization
03

CFD & FEA Simulation

Simulation support for heat transfer, fluid flow, thermal gradients, pressure loss, stress hot spots, structural-thermal response, and design validation.

04

Propulsion & Thermal Management

Cooling architecture, component & engine thermal management, secondary air systems, heat exchangers, high-heat-flux components, hot structures, and integrated propulsion thermal systems.

05

Conceptual Design & Trade Studies

Rapid trade studies, first-order sizing, requirement-driven trades, feasibility assessment, and package-level recommendations before hardware lock-in.

06

Systems Development & Requirements

Requirements development, traceability, architecture definition, subsystem integration, verification planning, and decision support across the design lifecycle.

Available Now

Thermal-Fluid Architecture & Conceptual Design Packages

For startups, R&D teams, and program leads that need senior-level thermal-fluid thinking before the design gets expensive to change.

Industries & Platforms

Serving customers across propulsion, vehicle, and power-generation platforms.

Aerospace
Space
Hypersonics
Aircraft Systems
Turbomachinery
Power Generation
Advanced Energy Systems
Government / R&D

How We Work

Fast, disciplined analysis & design support from ambiguity to action.

01

Define

Clarify mission goals, constraints, environments, requirements, and success criteria.

02

Architect

Develop system concepts, thermal-fluid architectures, and design trades.

03

Analyze

Apply first-order models, simulations, reviews, and sensitivity studies.

04

Decide

Deliver actionable recommendations to reduce technical risk and mature the design.

Why 3S

Thermal management is system architecture.

3S is built around a simple operating belief: thermal-fluid decisions are not late-stage cleanup tasks. They shape mass, power, controls, integration, performance margin, reliability, and mission success. The earlier those decisions are architected, the better the system performs.

We support teams that need practical, technically rigorous, senior-level insight without building an entire thermal-fluid department from day one.

Start a Project

Ready to solve your next thermal-fluid challenge?

Reach out for architecture support, consulting packages, technical reviews, simulation planning, or design trade studies.